# SDR ASAA2014081908892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2014
- Submitted: September 9, 2014
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 28 hours, 14 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Switch
- Part number: 2EN19RB
- Condition: Unknown
- Location: Apu Inlet
- Stage of operation: TX
- 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/ASAA2014081908892

## Discrepancy

DURING START,  APU FAULT CAME ON WITH NO START.  ACFT GROUNDED.  FAULT/MAINT HISTORY HAS FAULTS: 49-41012, 49-15004, 49-72104.  CLEARED FAULTS AND STARTED SUCCESSFUL. PERFORMED SUCCESSFUL COLD SOAK START.  COMPLETED APU INLET DOOR ADJUSTMENT AND INLET DOOR POSITION SWITCH ADJUSTMENT. REPLACED AIR INLET DOOR POSITION SWITCH IAW MM 49-15-41.

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