# SDR COMA9730015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N358CA](https://openairdocs.org/aircraft/N358CA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A047
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Contacts
- Condition: Dirty
- Location: Auto Coarsen
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9730015

## Discrepancy

AUTO COARSEN SYSTEM DID NOT ARM DURING TAKEOFF.  COULD NOT DUPLICATE.  CLEANED CONTAMINATION FROM P3 ARMING SWITCH CONNECTIONS, SYSTEM TEST NORMAL.

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