What was found
RATCHETING NOISE HEARD WITH SLIGHT NOTCH FEELING WHEN YOKE IS MOVED TO FULL AFT POSITION. MOVED YOKE THROUGH TRAVEL WITH A/P ON, SEEMED TO CLEAR PROBLEM. REPLACED AUTOPILOT ELEVATOR SERVO. OPS CHECK GOOD IAW MM 22-10-00.
- Difficulty date
- March 28, 2004
- Submitted
- April 12, 2004
- Operation
- Air carrier
- Aircraft
- N579SW
- Make and model
- Emb EMB120ER
- Aircraft serial
- 120347
- Aircraft time
- 11,980 hours, 16,317 cycles
- Engine
- Pwa PW118B
- System (JASC)
- 2215 · Autopilot Main Servo
- Part
- Servo
- Part number
- 6225734002
- Part serial
- 10275
- Condition
- Faulty
- Location
- Autopilot Sys
- Part time
- 9,597 hours, 12,861 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.