# SDR 2023F00281

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2023
- Submitted: September 19, 2023
- Operation: General aviation
- Aircraft: [N929PH](https://openairdocs.org/aircraft/N929PH), registered now
- Make and model: Skrsky S92A
- Aircraft serial: 920151
- Aircraft time: 7,453 hours
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Fire Detector
- Part number: 9231004802105
- Part serial: 00877
- Condition: Inoperative
- Location: Apu
- Component: Apu, Honeywell
- Component part number: 9230304800115
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023F00281

## Discrepancy

APU FIRE DETECTOR INTERMITTENT IN FLIGHT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.