# SDR ASAA2013082395874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2013
- Submitted: August 26, 2013
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 10,243 hours, 2,999 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Engine
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013082395874

## Discrepancy

APU DID NOT START ON FIRST ATTEMPT. FAULT CODE 49-41012.  ACFT GROUNDED. ACCOMPLISHED FIM TASK 49-40, TASK 803, STEP E.  BITE CHECK DID NOT SHOW MX MESSAGE 49-41012.  IN LAST CYCLE.  ONLY SHOWS 1 OCCURRENCE IN FAULT HISTORY IAW FIM TASK THE FAULT IS CORRECTED.

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