# SDR ASAA2017123023056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2017
- Submitted: January 2, 2018
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 41,942 hours, 12,468 cycles
- System (JASC): [7412 · Exciter](https://openairdocs.org/jasc/7412)
- Part: Exciter
- Part number: 9238M66P08
- Part serial: UNJEB312
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 41,971 hours, 12,478 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/ASAA2017123023056

## Discrepancy

NR 1 ENG NO LIGHT OF WITH IGN L SELECTED. NORMAL START WITH IGN R SELECTED. GROUNDED - YES. R&R NR 1 ENG LT IGNITER PLUG REF AMM 74-21-02. NO HELP. FOUND LT IGNITION LEAD WELDED INSIDE EXCITER BOX PLUG. R&R NR 1 ENG LT IGNITION LEAD REF AMM 74-21-01, R&R NR 1 ENG LT IGNITION EXCITER REF AMM 74-11-01. OPS CHECK GOOD.

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