What was found
AUTOPILOT B COMMAND BULB INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED DFCS MODE CONTROL PANEL WITH SERVICEABLE UNIT IAW AMM 22-11-34/401. PERFORMED INSTALLATION TEST IAW AMM 22-11-34. OPS CHECKED GOOD.
- Difficulty date
- January 2, 2018
- Submitted
- January 5, 2018
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 12,906 hours, 4,284 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 8221567102
- Part serial
- 17YY1G
- Condition
- Malfunctioned
- Location
- Flight Deck
- Part time
- 24,045 hours, 7,802 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.