# SDR 008181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2003
- Submitted: November 29, 2003
- Operation: Air carrier
- Aircraft: N138SD
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 138
- Aircraft time: 31,249 hours, 33,969 cycles
- Engine: Ge CT75A2
- Engine time: 862 hours, 909 cycles
- Propeller: Rotol R3894123F25
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Connector
- Condition: Damaged
- Location: Ecu
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/008181

## Discrepancy

AIRCRAFT ABORTED TAKEOFF WHEN ERRATIC TORQUE INDICATIONS WERE OBSERVED ON THE NR 2 ENGINE.  ENGINE TORQUE INDICATION WAS FLUCTUATING FROM 50 TO 120 WITH CTOT ENGAGED.  AT 1350Z, FWA MX REPORTED OF TIGHTENING A LOOSE BACKSHELL ON A ECU CONNECTOR. THE AIRCRAFT WAS GROUND RAN, OPERATIONAL CHECKS GOOD.

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