What was found
AUTOPILOT A DID NOT TRIM STABILIZER AND DID NOT CAPTURE ALTITUDE. REPLACED THE AUTOMATIC STABILIZER TRIM UNIT PER MM 22-14-01. TEST OK.
- Difficulty date
- January 19, 2006
- Submitted
- January 27, 2006
- Operation
- Air carrier
- Aircraft
- N509MC
- Make and model
- Boeing 747230B
- Aircraft serial
- 21221
- Aircraft time
- 115,277 hours, 21,947 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Trim System
- Part number
- 2591415902
- Part serial
- 0050185
- Condition
- Malfunctioned
- Location
- Autopilot Sys
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.