# SDR 142691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2003
- Submitted: April 25, 2003
- Operation: Air carrier
- Aircraft: [N123XS](https://openairdocs.org/aircraft/N123XS), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 123
- Aircraft time: 32,338 hours, 32,615 cycles
- Engine: Ge CT75A2
- Engine time: 29,940 hours, 30,483 cycles
- Propeller: Rotol R3894123F25
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Connector
- Condition: Loose
- Location: Autocoarsen
- 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/142691

## Discrepancy

FLIGHT 4550 FWA-PIT.  DURING TAXIING FROM GATE THE AUTOCOARSEN CAUTION LIGHT ILLUMINATED AFTER THE AUTOCOARSEN SYSTEM WAS SELECTED ON.  A/C RETURNED TO GATE AND WAS TAKEN OUT OF SERVICE AT 0500 4-24-03.  FLIGHTS SWAPPED TO A/C 101CN.  DURING TROUBLESHOOTING FWA MX FOUND THE CANNON PLUG BETWEEN THE LH P3 SWITCH & 161VP P8 LOOSE.  FWA MX RESEATED THE SAME CONNECTOR, PERFORMED GROUND RUNS FOR OPERATIONAL CHECKS OF THE AUTOCOARSENING SYSTEM.  OPERATIONAL CHECKS WERE SATISFACTORY.  A/C RETURNED TO SERVICE AT 1646 4-24-03.

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