What was found
AIRCRAFT WAS NOT GROUNDED: AUTOPILOT A AND B FAILED TO ENGAGE, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED FCC-A WITH SERVICEABLE UNIT IAW AMM 22-11-33, OPS CHECK GOOD.
- Difficulty date
- October 28, 2021
- Submitted
- November 1, 2021
- Operation
- Air carrier
- Aircraft
- N925NN
- Make and model
- Boeing 737*
- Aircraft serial
- 31169
- Aircraft time
- 25,710 hours, 10,660 cycles
- System (JASC)
- 2211 · Autopilot Computer
- Part
- Computer
- Part number
- 8221604102
- Part serial
- 4170
- Condition
- Failed
- Location
- Zone 100 - Fuse
- Part time
- 25,705 hours, 10,659 cycles
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- G
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.