# SDR UALA2012110906460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2012
- Submitted: December 7, 2012
- Operation: Air carrier
- Aircraft: [N661UA](https://openairdocs.org/aircraft/N661UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27158
- Aircraft time: 83,843 hours, 13,404 cycles
- Engine: Pwa PW4060
- System (JASC): [7430 · Ignition Switching](https://openairdocs.org/jasc/7430)
- Part: Ignition Switch
- Part number: AC3000041
- Part serial: 2280
- Condition: Faulty
- Location: Nr 2
- Stage of operation: IN
- How discovered: O
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012110906460

## Discrepancy

NR 2 ENGINE IGNITION TEST FAILED.  BOTH IGNITERS FIRE WITH SWITCH SELECTED ON 1 AND ENGINE START SWITCH ON GROUND, AUTO, AND CONT WITH START SWITCH ON FLT, ONLY ONE IGNITER FIRING ON POSITION 1.  IGN SWITCH IN NR 1 POS AND NR 2 ENGINE START SWITCH ON FLT NR 2 IGNITER NOT FIRING.  NR 1 ENGINE OPS CHECKS NORMAL.  REPLACED RIGHT ENGINE IGN AND START CONT SWITCH, ALSO FOUND TWO WIRES MISWIRED AT START SWITCH REWIRED CORRECTLY.  OPS CHECK'S GOOD, NO FAULTS.

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