# SDR ASAA2019111231298

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2019
- Submitted: November 13, 2019
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 43,078 hours, 13,160 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7412 · Exciter](https://openairdocs.org/jasc/7412)
- Part: Exciter
- Part number: 9238M66P08
- Part serial: UNJKT843
- Condition: Failed
- Location: Nr 1
- Part time: 43,459 hours, 13,287 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019111231298

## Discrepancy

#1 ENGINE FAILED TO START. GROUNDED - YES. REVERSED MTX PROCEDURES. RIGHT IGNITER TO AC STANDBY BUS, LEFT IGNITER TO AC TRANSFER BUS. PERFORMED IGNITION SYS AUDIBLE TEST PER B737-800 AMM 74-00-00. NO DEFECTS. DUE TO HISTORY REMOVED & REPLACED #1 ENG. R/H IGNITION EXCITER, REF AMM 74-11-01. OPS CHECK FAILED. REMOVED & REPLACED R/H IGNITION LEAD, OPS CHECK GOOD. STARTED #1 ENG. WITH R/H IGNITION SWITCH. ENGINE STARTED NORMALLY.

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