# SDR ASAA2014100509306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2014
- Submitted: October 8, 2014
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 24,876 hours, 7,754 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Igniter Box
- Part number: 38880587
- Part serial: 121128
- Condition: Malfunctioned
- Location: Apu
- Part time: 1,347 hours, 2,872 cycles
- 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/ASAA2014100509306

## Discrepancy

APU FAULT LIGHT DURING START ATTEMPT.  ACFT GROUNDED.  VISUAL INSPECTION ACCOMPLISHED AND IS SATISFACTORY.  REPLACED IGNITION UNIT IAW AMM 49-41-31-000-801 IAW ENGINEERING.

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