What was found
AUTOPILOT A WOULD NOT ENGAGE. SUPPLEMENTAL DATA UPDATE REMOVED AND REPLACED BOTH A & B FLIGHT CONTROL COMPUTERS AND AUTOPILOT STABILIZER TRIM SERVOS. ALL OPERATIONAL CHECKS WERE GOOD.
- Difficulty date
- February 6, 2001
- Submitted
- April 2, 2001
- Operation
- Air carrier
- Aircraft
- N331UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24192
- Aircraft time
- 38,955 hours, 20,324 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2210 · Autopilot System
- Part
- Computer
- Condition
- Malfunctioned
- Location
- Autopilot
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- P
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.