# SDR MTNA09112013001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2013
- Submitted: September 17, 2013
- Operation: Air carrier
- Aircraft: [N916FX](https://openairdocs.org/aircraft/N916FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 314
- Aircraft time: 24,651 hours, 27,431 cycles
- Engine: Pwa PW121
- Engine time: 22,296 hours, 25,713 cycles
- System (JASC): [7297 · Turbine Engine System Wiring](https://openairdocs.org/jasc/7297)
- Part: Connector
- Condition: Contaminated
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: X
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA09112013001

## Discrepancy

NR 2 ENGINE FAIL ON TAKEOFF, GOT UP TRIM, NO AUTOFEATHER.  TROUBLESHOOT SUSPECTED COMMANDED AUTOFEATHER. CHECKED CONTINUITY FROM ALL PINS OF PLUGS P6 & P7 OF TORQUE SIGNAL CONTROL UNIT TO EEC, J3, AND TORQUE SENSOR CONTINUITY CHECK GOOD.  CHECKED CONTINUITY OF TORQUE SENSOR PINS 1 & 2, 3 & 4, 5 TO GROUND ALL CHECKS WITHIN LIMITS.  FOUND PLUGS P6, P7 & P2 OIL SOAKED. CLEANED PLUGS. REPLACED TORQUE SENSOR AND SIGNAL CONTROL UNIT.  PERFORMED OPS CHECKS OF ATPCS, POWER ASSURANCE AND LOW PITCH PROTECTION.  ALL REQUIRED OPS CHECKS CHECK GOOD.  REF: MM 72-01-10 FIG 601, AND 72-01-10 RAI 7.  MM 72-00-00, ADJUSTMENT AND TEST TABLE 501.

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