# SDR MYWA110096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2011
- Submitted: September 6, 2011
- Operation: Air carrier
- Aircraft: [N734MA](https://openairdocs.org/aircraft/N734MA), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30039
- Aircraft time: 29,030 hours, 10,412 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Ignition Unit
- Condition: Malfunctioned
- Location: Apu
- 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/MYWA110096

## Discrepancy

ETOPS SIGNIFICANT ITEM:  APU FAULT LIGHT ILLUMINATED DURING TAXI IN.  REMOVED AND REPLACED APU IGN UNIT, IGNITOR PLUG, & IGNITOR PLUG LEAD IAW AMM 49-41-31, 49-41-51 & 49-41-52.  OPS CHECK OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.