# SDR 2006FA0000892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2006
- Submitted: September 7, 2006
- Operation: General aviation
- Aircraft: [N405DD](https://openairdocs.org/aircraft/N405DD), registered now
- Make and model: Beech C90A
- Registry model: [Beech C90A](https://openairdocs.org/model/beech-c90a) (OpenAirDocs)
- Aircraft serial: LJ1748
- Engine: Pwa PT6A21
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Mount
- Part number: 6225735002
- Part serial: 1WHHB
- Condition: Distorted
- Location: Rudder Servo
- Part time: 201 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000892

## Discrepancy

DURING FIRST SCHEDULED 1ST AND 2ND PHASE INSPECTIONS NOTED SQUEAKING AND METAL TO METAL CONTACT NOISES WHEN RUDDER MOVED SIDE TO SIDE.  FOUND RUDDER SERVO CABLE RUBBING ON SMT-65 SERVO MOUNT CABLE DRUM COVER.  REPLACED SMT-65 UNIT AND REINSTALLED, RIGGED SERVO CABLE.  RUDDER OPERATIONS NOW NORMAL, AUTOPILOT OPERATIONAL CHECKS OK.  SUSPECT SMT -65 SERVO MOUNT EITHER DISTORTED FROM PRIOR HANDLING OR NOT ASSEMBLED CORRECTLY.  (K)

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