# SDR HALA0700505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2007
- Submitted: November 29, 2007
- Operation: Air carrier
- Aircraft: N590HA
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33467
- Aircraft time: 19,248 hours, 3,681 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 106170756
- Part serial: 010218022611
- Condition: Malfunctioned
- Location: Apu
- Part time: 251 hours, 48 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0700505

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, APU WILL NOT START.  BITE ON APU ECU FAULTS NO LIGHT OFF.  T/S PER FIM 49-11-00 FIG 107.  REPLACED IGNITER PLUG, LEAD AND EXCITER BOX.  APU STARTS NORMAL AND BITE CHECKS NORMAL.  OK FOR SERVICE.

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