# SDR AT00500047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2005
- Submitted: December 6, 2005
- Operation: Air carrier
- Aircraft: [N935AT](https://openairdocs.org/aircraft/N935AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55069
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Unit
- Part number: 473465
- Part serial: 0941
- Condition: Inoperative
- Location: Apu Fire Detect
- Stage of operation: CL
- 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/AT00500047

## Discrepancy

APU FIRE ALERT FOLLOWED QRH ALERT REMAINED ILLUMINATED UNTIL LDG ROLLOUT APU WAS OFF AT THE TIME.  INSPECTED APU COMPARTMENT FOUND NO EVIDENCE OF FIRE OR OVERHEATING CONDITIONS.  OPS & LEAK CHECK OF APU GOOD, REF 717 M/M 49-10.  REMOVED AND REPLACED APU FIRE DETECTOR CONTROL UNIT RE 26-12, NO FAULTS NOTED AT THIS TIME.

---
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.
