# SDR 9JLA2016111810525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2016
- Submitted: November 18, 2016
- Operation: Air carrier
- Aircraft: N940JM
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK492
- Aircraft time: 3,831 hours, 3,514 cycles
- System (JASC): [7430 · Ignition Switching](https://openairdocs.org/jasc/7430)
- Part: Switch
- Part number: 45AS88822003
- Condition: Defective
- Location: Start
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2016111810525

## Discrepancy

THE FLIGHT CREW REPORTED THAT THE NR 2 ENGINE STARTED NORMALLY, THEY THEN MOVED THE START SELECT SWITCH INTO THE NR 1 POSITION, THE NR 1 STARTER AUTOMATICALLY ENGAGED WITHOUT ENGAGING THE START SWITCH. TROUBLESHOOTING IDENTIFIED START SWITCH TO BE DEFECTIVE. THE SWITCH WAS REMOVED AND REPLACED WITH A NEW UNIT. FUNCTIONAL CHECKS SATISFACTORY.

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