00-20-2 Chapter 3

Maintenance data is categorized as either "on-equipment" for work done on the main item or "off-equipment" for work on removed parts.

Data entry is done at the base level for all types of maintenance events. Depots either enter directly into REMIS or use tools that feed REMIS.

Codes are used to shorten data storage, make entry easier, and allow data analysis. These codes are in manuals and IMDS/REMIS/G081.

There are clear rules on how to document data, including using specific formats and codes. Decision Logic Tables guide this process.

Scheduled maintenance happens regularly as part of a plan. Unscheduled maintenance happens when something goes wrong. These are two ways data is entered.

Aircrew debriefings help record issues encountered during flights. This data may be entered during debriefing sessions.

On-board recording devices can detect issues automatically. This data can be input electronically.

The documentation concept ensures that data is entered accurately, consistently, and can be analyzed effectively. It promotes clear communication about maintenance work.

The process of identifying the faulty component(s) that need repair or replacement.

The act of removing serviceable assemblies, subassemblies, or components to access the desired system or specific components.

A form used to track reparable items that are removed but not reinstalled before leaving the equipment.

On-equipment repair is when the repair work is done directly on the equipment without removing the item.

Off-equipment repair occurs when the item is removed from the equipment and repaired off-site.

A tag attached to a reparable item before it's sent for repair.

The Maintenance Data Document (MDD) is a system for recording and transmitting maintenance data.

The workcenter performing the repair is responsible for determining if the repair will be on- or off-equipment, based on factors like item type and availability.

Specific guidelines outlining the reporting requirements for maintenance actions in the MDD system.

An exemption is granted when certain types of maintenance activities or equipment are not required to be reported in the MDD system.

A process where an organization requests to be exempted from reporting specific maintenance activities in the MDD system.

The Major Command (MAJCOM) is responsible for reviewing MDD exemption requests and making decisions.

The Program Manager (PM) is involved in the evaluation of MDD exemption requests and provides recommendations.

The AFMC/A4FI is involved in the evaluation and consolidation of MDD exemption requests.

Maintenance actions performed on weapon or support systems within six months before retiring the system from active service. This only applies if the system is scheduled for replacement or deactivation and excludes transfers to other organizations, services, or countries.

All activities related to nuclear munitions work centers, such as reentry vehicle shops, maintenance and inspection centers, and assembly surveillance and inspection facilities.

Explosive ordnance disposal team actions encompass activities like reconnaissance, identification, rendering safe, and disposing of hazardous explosive materials.

Administrative telephone plant maintenance is exempted from MDD, except for the Preventive Maintenance Inspection (PMI) master listing for scheduling and documenting PMI execution.

MDD requirements, except for TCTO documentation, are exempted for Defense Satellite Communications System (DSCS) earth terminals and their associated subsystems.

A list of organizations that are exempted from specific procedures outlined in the Maintenance Data Documentation (MDD) requirements.

All audiovisual equipment is exempt from reporting into the MDD process, including the previously exempted AMC Aerospace Audio Visual Service (AAVS) activities.

Specific activities of the depot, contractors, and special activities are exempted from the general MDD procedures.

Each repair center is responsible for inputting all reportable depot MDD into REMIS via desktop computers or a Local Area Network (LAN) system. Contractors are also required to input data directly to REMIS.

This exemption covers the need to manually prepare data and have it input to REMIS by an authorized representative.

Contractors are required to report MDD data to REMIS either through authorized depot reporting tools (DRILLS/PDMSS) or through electronic media specified in a contractual agreement.

When specified in the contract, contractors can manually prepare MDD data using the specified format. Data can be handwritten, but legibility is crucial. Illegible or incomplete data is returned for correction.

AFTO Form 349, Maintenance Data Collection Record, is a data source for documenting on-equipment maintenance actions.

Various maintenance actions are documented on equipment, including the number of specialists dispatched, shop dispatching details, reasons for dispatch, length of dispatch, and delayed discrepancies.

AFTO Form 349 is also used to document off-equipment maintenance actions on assemblies, subassemblies, or components.

For non-MDD systems, it is important to identify the location of the reparable item during the repair cycle and track its status throughout the process.

A rule for documenting maintenance data when an engine is removed and not immediately replaced.

A category of maintenance data encompassing work performed on the main item itself.

A category of maintenance data related to work on removed parts.

Maintenance data includes both on-equipment and off-equipment categories.

Using the AFTO Form 349 or 350 series tags depends on factors like the type of work performed, the time spent, and whether the work is done on or off the aircraft.

Work that requires removing or replacing a repairable item (like a part) should be documented using an AFTO Form 350.

Work that does not involve removing or replacing a repairable item can usually be documented using an AFTO Form 349.

When documenting maintenance, consider whether the work was done on or off the actual aircraft itself. This determines which tables to refer to and which forms may be needed.

The convenience of repair helps determine which form and documentation process to follow. If the repair can be done quickly and the equipment stays assembled (e.g., a simple part replacement), then a specific form (like AFTO Form 350 Part II) might be needed.

Delayed discrepancies, overdue inspections, and overdue TCTOs (time-compliance technical orders) all require more detailed documentation, often leading to using an AFTO form 350.

A 'recoverable item' is a part that can be repaired and reused. When removing a recoverable item for repair that will later be reinstalled, specific forms and procedures might apply.

When a recoverable item is removed but not immediately reinstalled, specific documentation is needed, including an AFTO Form 350, Part I, attached to the part, and Part II processed as a Maintenance Turnaround (TRN) transaction.

A 'non-recoverable item' is a part that is not repairable. When handling non-recoverable items, specific documentation procedures apply. Some forms, like the AFTO 350, may not be needed for this type of item.

It's important to follow the rules for documentation for electronic countermeasures (ECM) pods, which are special components used in electronic warfare.

Documentation for TCTOs (Time Compliance Technical Orders) requires specific forms and methods. They detail when certain maintenance, inspections, or repairs must be done, and how they should be performed.

The terms 'troubleshooting' and 'removal to facilitate other maintenance' are important in documenting why a component was removed. This information can help understand why a part was removed, even if it wasn't the primary work being done.

When the Air Logistics Center (ALC), Technology Repair Center (TRC), or their contractors perform work at the depot level (a large repair facility), special documentation procedures apply.

In the MDD system (Maintenance Data Documentation), the selection of which AFTO form to use depends on factors like whether repairable items are involved, whether work is automated, and if it involves overdue tasks like inspections or TCTOs.

Understanding the purpose and uses of the maintenance records ensures proper documentation and allows for efficient tracking of aircraft maintenance history.

The size of the crew working on a TCTO is entered only on the first record.

A unique number assigned to an item to track its production and maintenance.

A documented record of a TCTO (Time Compliance Technical Order) that involves removing an unmodified component and replacing it with a modified component.

A record of all tracked items in the WUC table.

When a TCTO involves removing and replacing multiple tracked items, a separate record is made for each removal and replacement.

The AFSC (with skill level 'X') is entered in column N of the AFTO Form 349 for TCTOs, except for commodity category TCTOs.

For commodity category TCTOs, if there is no entry in item 21 of the AFTO Form 349, the AFSC (with 'X' skill level) is entered in column N.

When TCTOs are performed by transient maintenance, the original record is kept at the home station for updating historical files.

The equipment is at its home base and requires the removal and replacement of a tracked item in the WUC table. This means a part is being swapped out and recorded for maintenance. This is also used if an engine change is required.

The equipment is not at its home base and requires the removal and replacement of a tracked item in the WUC table. This happens when a part is replaced at a location other than its home base and needs to be documented.

The equipment is not at its home base and does not require the removal and replacement of a tracked item in the WUC table. This rule applies when maintenance is performed without a tracked item swap.

The equipment is assigned an ID number and does not require a tracked item replacement. This typically applies to simpler maintenance tasks.

The equipment is at its home base, has an ID number assigned, and the maintenance performed is NOT on an installed engine. This is for regular maintenance on the equipment, excluding engine work.

The equipment is at its home base, has no assigned ID numbers, and the maintenance relates to an installed engine. This rule applies to specific repairs or maintenance on the engine.

The equipment is not at its home base, and maintenance is performed on an installed engine. This rule applies when special maintenance needs to be documented for the engine at a location other than its home base.

The equipment is at its home base and has an ID number assigned. The maintenance performed is support general, meaning routine tasks like cleaning or inspections.

The equipment is not at its home base, and the maintenance is considered support general. This rule applies to inspections or minor tasks done at a location other than its home base.

The equipment is at its home base and does not have an ID number assigned. The maintenance performed is support general. This rule applies to general tasks like cleaning or inspections at the home base, without a specific ID.

The equipment is not at its home base and does not have an ID number assigned. The maintenance performed is support general. This applies to inspections or cleaning at different locations than its home base, without a specific ID.

The equipment is at its home base, has an ID number assigned, and the maintenance performed is on an installed engine. This is for documentation related to engine maintenance at home base locations.

The equipment is at its home base, has no ID number assigned, and the maintenance is NOT on an installed engine. This involves maintenance at home base, without a specific ID, excluding the engine.

The equipment is transient or deployed, has no ID number assigned, and the maintenance is NOT on an installed engine. This is for documenting maintenance on deployed equipment without a specific ID and excluding engine work.

This rule covers performing general support for the equipment at its home base with an ID number assigned. It's about documenting general maintenance at home base with a specific identity tag.

The equipment is at its home base, has no assigned ID numbers, and the maintenance performed is general support. This rule applies to general maintenance at home base without a specific ID.

A reparable item that is not serially controlled or a time-change item and has an ID number in block 2 of its AFTO Form 350.

A reparable item that is not serially controlled or a time-change item but has a blank block 2 or an obliterated ID number on its AFTO Form 350.

A reparable item that is not serially controlled or a time-change item with a serial number in block 2 and an MDS in block 6 of its AFTO Form 350.

A reparable item that is a serially-controlled assembly requiring removal and replacement of a serially-controlled subassembly, and has an ID number in block 2 of its AFTO Form 350.

A reparable item that is a serially-controlled assembly requiring removal and replacement of a serially-controlled subassembly, and has a blank block 2 or an obliterated ID number on its AFTO Form 350.

A reparable item that is a serially-controlled assembly requiring removal and replacement of a serially-controlled subassembly, and has a serial number in block 2 and an MDS in block 6 of its AFTO Form 350.

A reparable item that is a time-change item and has an ID number in block 2 of its AFTO Form 350.

A reparable item that is a time-change item but has a blank block 2 or an obliterated ID number on its AFTO Form 350.

A reparable item that is a time-change item with a serial number in block 2 and an MDS in block 6 of its AFTO Form 350.

When a reparable item has an ETI, block 21 is used on its AFTO Form 350.

An AFTO Form 350 attached to a reparable item that contains a command activity ID must have columns A, C, D, E, F, G, H, I, J, K, L, and N documented.

An AFTO Form 350 attached to a reparable item that does not contain a command activity ID must have columns A, C, D, E, F, G, H, I, J, K, and N documented.

If the same category of labor from the same work center works on an item without a break exceeding 15 minutes, then only one action line is used in the documentation.

More than one action line is used if the same category of labor from the same work center works on an item with a break exceeding 15 minutes but without a change in crew size.

More than one action line is used if the same category of labor from the same work center works on an item without a break exceeding 15 minutes, but with a change in crew size.

Documentation for a tracked item is required when it's removed from an aircraft and not concurrently replaced. This information should be documented against the proper aircraft or equipment ID.

When a tracked item is removed and replaced at the same time, documentation needs to be made, but slightly different from a removal without concurrent replacement.

This rule describes how to document the installation of a replacement tracked item when it's done separately from the removal.

This rule covers the initial installation of a tracked item when the next higher assembly is an aerospace vehicle.

This rule describes documentation for the initial installation of a tracked item when the next higher assembly is not an aerospace vehicle.

When a tracked item is removed and replaced concurrently (at the same time), there's a specific set of entries you need to make in the documentation.

This rule outlines the documentation process for a TCTO (Time Compliance Technical Order) when it involves modifying a weapon system or equipment, but does not include a serially controlled item or an engine.

This rule explains how to document a TCTO involving a weapon system or equipment that includes a serially controlled item or an engine.

This rule describes the documentation process for a TCTO involving an installed engine, ensuring that the correct data is recorded for both the aircraft and the engine.

This rule outlines the documentation process when a tracked item in the WUC table is modified through a TCTO.

Documentation for a tracked item that is installed initially and the next higher assembly is an aerospace vehicle on end item of AGE.

Documentation for a tracked item that is removed from an aircraft and not concurrently replaced. This information should be documented against the proper aircraft or equipment ID.

When an engine is removed and replaced at the same time, documentation needs to be made, but slightly different from a removal without concurrent replacement.

This rule describes how to document the installation of a replacement engine when it's done separately from the removal.

When a TCTO is used to modify a weapon system or piece of equipment, certain categories need to be documented based on the specific modifications being made.