What was found
AUTOPILOT A WILL NOT ENGAGE. AUTOPILOT B DOES ENGAGE. GROUNDED - YES. REMOVED AND REPLACED FCC-AA. OPS TEST GOOD. ALL REQUIRED TESTS PASSED. REF AMM 22-11-33.
- Difficulty date
- December 13, 2018
- Submitted
- December 18, 2018
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 16,861 hours, 5,533 cycles
- System (JASC)
- 2211 · Autopilot Computer
- Part
- Computer
- Part number
- 8221604102
- Part serial
- 43RHM0
- Condition
- Failed
- Location
- E&E Bay
- Part time
- 16,864 hours, 5,534 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.