What was found
HEADING SELECT KNOB DOESN'T CHANGE THE HEADING BUG. IT IS STUCK ON NR 274. GROUNDED - YES. REMOVED AND REPLACED DFCS MODE CONTROL PANEL REF B737-800 AMM 22-11-34, PERFORMED MCP INSTALLATION TEST REF AMM 22-11-34, NO FAULTS NOTED.
- Difficulty date
- February 17, 2021
- Submitted
- February 19, 2021
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 43,905 hours, 12,975 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 8221567102
- Part serial
- 16N1GV
- Condition
- Faulted
- Location
- Mode Control
- Part time
- 38,120 hours, 13,736 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.