Publication Date: 8/17/2026 Share Print

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APU Process

The P/N APU Process includes the setup of a P/N APU, or Auxiliary Power Unit. The P/N APU configuration takes place during the Part Number Creation Process. All APU assembly components, including the APU NHA and all APU NLAs, should be configured similarly via the P/N Master. From this, the Time and Cycles can be updated through the P/N APU Reading or the Hours and Cycles Factors of the Technical Engineering tab of the P/N, depending on the configuration of Switch APUREAD. The P/N APU Reading option is available to record time specifically on the APU. The Hours and Cycles Factors are utilized against the A/C the P/N APU is Installed on.

The following process flow is a general guide for the configuration, creation, and reading of the APU Process. This life cycle may vary depending on each TRAX user and their customized protocols.

Click on the steps to see details!

APU Setup and ConfigurationAPUMEANAPUHRVALIDATIONAPUREADPart Number Creation ProcessP/N APU Creation and ReadingP/N APU Creation and ReadingP/N Master, Technical Engineering TabIs Switch APUREAD set to Yes or No?P/N Master, Technical Engineering TabP/N Remove/Install ProcessP/N APU ReadingIs the information the Initial Reading?P/N APU ReadingA/C Schedule Flight APUAPU Process CompleteP/N APU VideoP/N APU Reading

The following sections are the primary elements covered in this process flow:

See Also

PROCESS FLOWS

Aircraft Actual Flight (Manual Entry) Process

Aircraft Initial P/N Load Process

Aircraft Return and Archiving Process

Aircraft Units Process

Assembly Management

Concession Registry Process

Consigned Inventory Process

Contract Order Process

Customer Creation Process

Defect Report Process

Delete E/C and P/N Control Compliance Process

Dent Mapping Process

Employee and Skill Creation Process

Engineering Control Process

Engineering Pending Release Process

ETOPS Process

Exchange Order Out Process

Exchange Order Process

Fault Code Report Process

Flight Accumulation Process

Ground Service Equipment (GSE) Process

Helicopter Process

Importing a File Process

Interactive Planner Overview

Internal Component Repair (Shop) Process

Kit Management

Library and Read & Sign Process

Loan Order Process

Location Creation Process

Man Hours Schedule Planning Process

Managed A/C Process

MEL Process

MEL Authorization Process

Missing Parts Process

Monthly Financial Procedures

New Aircraft Process

Order Invoice Process

P/N Control - General Configuration

P/N Control - Life Limited Parts (LLP)

P/N Control - Proration Process

P/N Initial Load Process

P/N Pool Agreement Process

P/N Remove/Install Process

P/N Software Configuration

Packing and Shipping Process

Part Number Creation Process

Physical Inventory Process

Picklist and Requisition Process

Printer Setup and Configuration

Purchase Order Process

Quality Assurance Process

R/O Capability Employee Rating Process

Receiving Process

Recurrent Item Alert (Reliability) Process

Rental Order Process

Re-Order Level Process

Repair Order Process

Repair Order Following Process

Return to Stock Process

Return To Vendor Process

Sales Order Process

Scrap Process

Security Explorer Process

Service Order and Power By The Hour Process

Skill Master Process

Standard Authorization Process

Supply Chain Process

System Notification Creation Process

Task Card Creation Process

Task Card Discrepancy Process

Third Party Work Order Process

Tool Management

Training Process

Transfer Order Process

TRAX General Process Flow

TraxDoc Process

Vendor Contract Process

Vendor Creation Process

W/O Task Card Assignment and Workshop Process

Warehouse Management

Warranty Management

Work Order Process

Work Order Reservation Control Process

Work Turnover Process

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