# SDR ASAA2022031437706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2022
- Submitted: March 19, 2022
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 51,803 hours, 15,255 cycles
- System (JASC): [7410 · Ignition Power Supply](https://openairdocs.org/jasc/7410)
- Part: Exciter
- Part number: 106310452
- Part serial: UNNV7858
- Condition: Inoperative
- Location: #1 Engine
- Part time: 19,888 hours, 7,037 cycles
- Stage of operation: TX
- 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/ASAA2022031437706

## Discrepancy

DURING #1 ENGINE START W/ RIGHT IGNITOR, HAD NO EGT RISE. SUCCESSFUL START WITH LEFT IGNITOR. GROUNDED - YES. REMOVED AND REPLACED R/H EXCITER ON #1 ENG PER B737-800 AMM 74-11-01-400-801-F00. OPS CHECK GOOD. VERIFIED EGT RISE DURING ENG RUN.

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