# SDR ASAA2015052711879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2015
- Submitted: May 29, 2015
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 33,522 hours, 9,994 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Detection Sys
- Part number: 902020
- Condition: Failed
- Location: Apu Tailpipe
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015052711879

## Discrepancy

"APU DET INOPERATIVE" LIGHT ILLUMINATED STEADY ON APU FAULT/INOPERATIVE TEST FAIL.  ACFT GROUNDED.  CONFIRMED FAULT, APU WILL NOT TEST FIRE DETECTION TEST.  FOUND APU TAIL CONE FIRE DETECTOR DEFECTIVE.  REPLACED APU TAIL CONE FIRE DETECTOR REF AMM 26-15-00, GROUND FUNCTIONAL CHECK NORMAL, REF AMM 26-15-00.

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