# SDR ASAA2014070108414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2014
- Submitted: July 3, 2014
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 30,647 hours, 9,013 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Detector
- Part number: 90202001
- Condition: Unknown
- Location: Apu Tail Pipe
- 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/ASAA2014070108414

## Discrepancy

APU INOPERATIVE LIGHT ILLUMINATED FOR A SHORT TIME AFTER TAKEOFF, FOLLOWED QRH.  ACFT GROUNDED.  PERFORMED FIM TASK 26-10, TASK 801 NO FAULTS FOUND.  PERFORMED FIRE SYS & LIGHT CHECK NO DEFECTS NOTED.  RUN APU FOR FIVE MINUTES, SHUTDOWN.  PERFORMED FIM TASK 26-10 TASK 801 STILL NO FAULTS.   PERFORMED FIM 26-10, TASK 801. NO FAULTS FOUND.  REMOVED AND INSTALLED NEW APU TAIL PIPE DETECTOR IAW 26-15-01-000-802. PERFORMED APU DETECTOR SYS TST SYS CHECKED NORMAL.

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