# SDR ASAA2018031523917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2018
- Submitted: March 16, 2018
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 19,996 hours, 6,527 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7420 · Ignition Harness (Distribution)](https://openairdocs.org/jasc/7420)
- Part: Exciter
- Part number: 9238M66P11
- Part serial: UNL53231
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 15,805 hours, 5,204 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018031523917

## Discrepancy

UNABLE TO START THE NR 2 ENGINE IGNITION SYS RT.   ENGINE STARTS ON IGNITION SYSTEM LT.  ACFT GROUNDED.  REPLACED BOTH THE LT AND RT IGNITERS ON THE NR 2 ENGINE IAW AMM 74-21-02.  REMOVED AND REPLACED THE  LT EXCITER IAW AMM 74-11-01.  OPS CHECKED GOOD IAW AMM 71-00-00.

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