# SDR ASAA2015080212684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2015
- Submitted: August 5, 2015
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 24,939 hours, 7,470 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Seal
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015080212684

## Discrepancy

APU CSS START FAULT LIGHT CAME ON.  COOLED DOWN WITHIN 5 MINUTES.  SECOND ATTEMPT SUCCESSFUL AT 35000.  ACFT GROUNDED. REMOVED APU, REPLACED AIR INLET SIGMA SEAL IAW MM 49-15-11-400-801, 41581, INSTALLED, LEAK/OPS CHECKED APU.

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