# SDR ASAA2023100245429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2023
- Submitted: October 4, 2023
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 56,808 hours, 16,990 cycles
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Igniter
- Part number: 5188881
- Condition: Malfunctioned
- Location: #1 Engine
- 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/ASAA2023100245429

## Discrepancy

(LEFT ENGINE) ON START UP IN RIGHT IGNITION EGT DID NOT LIGHT OFF SWITCHED IGNITION TO BOTH AFTER RUNNING QRC/QRH AND ENGINESTARTED NORMALLY. GROUNDED - YES. PERFORMED FIM 74-21 TASK 807 NO FAULTS FOUND. PERFORMED #1 ENG RH IGN SYS AUDIBLE TEST REF AMM 74-00-00 TEST FAILED. REMOVED AND REPLACED #1 ENG RH IGNITER REF AMM 74-21-02 TEST GOOD. STARTED ENG ON RH IGN REF AMM 71-00-00. OPS GOOD.

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