# SDR ASAA2015081512894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2015
- Submitted: August 19, 2015
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 25,065 hours, 7,512 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Warning Light
- Condition: Illuminated
- Location: Apu
- Stage of operation: CR
- 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/ASAA2015081512894

## Discrepancy

CSS INCOMPLETE APU FAULT LIGHT ILLUMINATED ON 1ST & 2ND ATTEMPTS.  1ST 380 TAT-26, SAT-52 ASA + 5. 2ND 380 TAT -23, SAT -49 ISA +7.  ACFT GROUNDED. ON DEFERRAL.

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