# SDR C2XA96BT007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N86842
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 286
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Controller
- Part number: 7003975602
- Condition: Failed
- Location: Autopilot
- Stage of operation: CL
- Nature of condition: B, F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA96BT007

## Discrepancy

BTV - FLT 3689 - DURING CLIMB-OUT, AUTOPILOT KICKED OFF AND RECEIVED STICK SHAKER AND OVERSPEED WARNING.  COULD NOT TRIM TO LEFT AND ACFT TRIMMED BY ITSELF TO THE RT.  COULD NOT RE-TRIM TO LT WITH ONE-HALF AILERON TRIM TO RT.  ACFT RETURNED TO BTV AND LANDED UNEVENTFULLY.  FOUND FLT GUIDANCE CONTROLLER FAULTING.  REMOVED AND REPLACED FGC IAW 22-16-81.  OPS CHECKED GOOD.  EWR - FLT 4211 - AFTER TAKEOFF, CREW NOTED SAME PROBLEM PLUS THE SMELL OF ELECTRICAL SMOKE ON LANDING WHILE RETURNING TO EWR.  REMOVED AND REPLACED FGC IAW ATR 42 MM 22-16-81, OPS CHECKED GOOD ON GROUND.  ALL OTHER DISCREPANCIES WERE FOUND OPERATING NORMALLY.  ACFT RELEASED FOR TEST FLIGHT.  NO FLIGHT DISCREPANCIES NOTED AND ACFT RELEASED TO

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