# SDR COMA9730004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N347CA](https://openairdocs.org/aircraft/N347CA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A028
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: P3 Switch
- Part number: 1103P0620
- Condition: Inoperative
- Location: Lt/Rt Engine
- Part time: 13,367 hours
- Stage of operation: TO
- Nature of condition: P
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9730004

## Discrepancy

DURING TAKEOFF ROLL, AUTO COARSEN ARMED LIGHT DID NOT ILLUMINATE.  REPLACED LT/RT ENG P3 SWITCHES.  OPERATIONAL CHECK GOOD.  PART TOTAL CYCLES, 14,793.

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