# SDR UALA2009070701950

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2009
- Submitted: July 8, 2009
- Operation: Air carrier
- Aircraft: [N677UA](https://openairdocs.org/aircraft/N677UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30029
- Aircraft time: 28,053 hours, 7,121 cycles
- Engine: Pwa PW4056
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Igniter
- Part number: AA134S1
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009070701950

## Discrepancy

NR 1 ENG FAILED TO LIGHT WITH START SELECTION NUMBER 1 STOPPED START AND THEN STARTED L.  REPLACED NR 1 ENG NR 1 EXCITER AND REPLACED BOTH NR 1 ENG IGNITERS.  PRIOR TO REPLACEMENT ITEMS RAN NR 1 ENG AND DETERMINED NR 1 IGNITER FAILED, AFTER REPLACEMENTS RAN NR 1 ENG ON NR 1 & NR 2 IGNITIONS.  ALL OPS NORMAL.

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