# SDR I5PA2021082275707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2021
- Submitted: September 10, 2021
- Operation: Air carrier
- Aircraft: [N757QM](https://openairdocs.org/aircraft/N757QM), registered now
- Make and model: Boeing 757-29J
- Registry model: [Boeing 757-29J](https://openairdocs.org/model/boeing-757-29j) (OpenAirDocs)
- Aircraft serial: 27203
- Aircraft time: 62,711 hours, 33,310 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Actuator
- Part number: 7321387009
- Part serial: 45118A
- Condition: Faulty
- Location: Apu Doors
- Stage of operation: DE
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2021082275707

## Discrepancy

APU IN FLIGHT START FAILED DUE TO A FAULTY INLET DOOR ACTUATOR. UNIT WAS REPLACED AND PLACED APU BACK INTO SERVICE.

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