# SDR 40675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2007
- Submitted: March 26, 2007
- Operation: General aviation
- Aircraft: N790SS
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK363
- Aircraft time: 1,550 hours, 1,407 cycles
- Engine: Pwa JT15D5
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Actuator
- Part number: 45AS610023139
- Part serial: 010501
- Condition: Inoperative
- Location: Pitch Trim
- Part time: 1,550 hours, 1,407 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/40675

## Discrepancy

DIFFICULTY OCCURED UPON DESCENT.   PILOT RECIEVED A WARNING PITCH TRIM WAS NOT SYNCRONIZED WITH AUTOPILOT SYSTEM AND TO PREPARE FOR RESISTANCE WHEN AUTOPILOT IS DISCONNECTED. PITCH TRIM ACTUATOR WAS FOUND INOPERATIVE IN THE EMERGENCY MODE/AUTOPILOT MODE.  REPLACED PITCH TRIM UNIT AND RETURNED AIRCRAFT TO SERVICE. THIS AIRCRAFT WAS LAST INSPECTED ON 11-9-06 AT 1408.6 TT.

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