# SDR M17F20230808107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2023
- Submitted: August 8, 2023
- Operation: Air carrier
- Aircraft: [N377AR](https://openairdocs.org/aircraft/N377AR), registered now
- Make and model: Boeing 737-86J
- Registry model: [Boeing 737-86J](https://openairdocs.org/model/boeing-737-86j) (OpenAirDocs)
- Aircraft serial: 37753
- Aircraft time: 42,324 hours, 19,151 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38007021
- Part serial: P6164
- Condition: Failed
- Location: Zone 300
- Part time: 45,818 hours, 48,937 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/M17F20230808107

## Discrepancy

APU NEUMATIC INOPERATIVE

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