# SDR ASAA2023081044572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 58,537 hours, 17,371 cycles
- System (JASC): [7410 · Ignition Power Supply](https://openairdocs.org/jasc/7410)
- Part: Exciter
- Part number: 9238M66P11
- Part serial: UNLR5578
- Condition: Inoperative
- Location: #1 Engine
- Part time: 18,132 hours, 5,886 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023081044572

## Discrepancy

PILOT REPORT OF NO 1 ENGINE LEFT IGNITION INOP. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE LEFT IGNITION EXCITER REF AMM 74-11-01. VERIFIED PART EFFECTIVITY WITH AOG ENGINEERING ERNEST YEUN. OPERATIONAL CHECK GOOD, NO DEFECTS NOTED. THIS CLEARS MEL 74-1C, SEAMC TODD NOTIFIED.

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