# SDR ASAA1159466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2011
- Submitted: April 19, 2011
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 17,696 hours, 5,514 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning System
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159466

## Discrepancy

APU DET INOP LIGHT ILLUMINATED ON DESCENT APU WAS OFF.  RESET APU FIRE DETECTION CB C403.  RE-RACKED APU FIRE DETECTION MODULE.  UNABLE TO DUPLICATE MALFUNCTION IAW MM 26 15 00 710 801.

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