# SDR ASAA2013061295094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2013
- Submitted: June 18, 2013
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 19,104 hours, 5,982 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Igniter
- Part number: 90722151
- Condition: Failed
- Location: Nr1 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013061295094

## Discrepancy

NR 1 ENGINE HAD NO LIGHT-OFF (IGNITION LT WAS SELECTED)  ACFT GROUNDED.  PERFORMED FIM TASK 74-21, TASK 806, FOUND LT IGNITER PLUG BAD.  REPLACED NR 1 ENG LT IGNITER PLUG IAW MM 74-21-02-400-801, MM 74-21-02-000-801, MM 74-21-02-200-801.  PERFORMED AUDIBLE TEST IAW MM 74-00-00-750-801 AND THEN STARTED NR 1 ENG FROM LT IGNITER, OPS CHECKED GOOD.

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