# SDR UIEA2021061601375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2021
- Submitted: June 21, 2021
- Operation: Air carrier
- Aircraft: [N1997A](https://openairdocs.org/aircraft/N1997A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27310
- Aircraft time: 100,438 hours, 20,934 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Actuator
- Part number: 7351387010
- Condition: Faulted
- Location: Apu Air Intake
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021061601375

## Discrepancy

APU WILL NOT START 2 ATTEMPTS(<P>REMOVED AND REPLACED ECU DUE TO HARD FAULT ECU. OPS CHECK GOOD. REF: AMM 49-61-05. S/N OFF - 53-1057. P/N OFF - 2117342-20. REMOVED AND REPLACED APU AIR INTAKE ACTUATOR DUE TO APU ECU HARD FAULT. OPS CHECK GOOD. REF: AMM 49-15-06.</P>)

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