# SDR 2002F00770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2002
- Submitted: July 25, 2002
- Operation: Air carrier
- Aircraft: [N528AT](https://openairdocs.org/aircraft/N528AT), registered now
- Make and model: Boeing 757-23N
- Registry model: [Boeing 757-23N](https://openairdocs.org/model/boeing-757-23n) (OpenAirDocs)
- Aircraft serial: 30887
- Aircraft time: 5,977 hours, 2,067 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Actuator
- Part number: 7321387012
- Part serial: 701089
- Condition: Malfunctioned
- Location: Apu Inlet Door
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002F00770

## Discrepancy

FLIGHT NUMBER 275. DURING CRUISE APU DOOR EICAS MESSAGE DISPLAYED IN FLIGHT. MAINTENANCE PERFORMED FIM 49-11-00, REMOVED AND REPLACED APU INLET DOOR ACTUATOR IN ACCORDANCE WITH M/M 49-15-06-4, OPERATIONAL CHECK NORMAL.

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