What was found
MODE CONTROL PANEL ALTITUDE WINDOW IS LOCKED UP. ALL OTHER WINDOWS OPERATE NORMALLY. GROUNDED - YES. SUSPECT MCP LOCKED IN MAINT BITE. POWERED A/C DOWN. POWERED A/C UP. OPS CHECK DFCS MCP GOOD. REF AMM 22-11034. NO HISTORY 60 DAYS.
- Difficulty date
- May 26, 2018
- Submitted
- May 29, 2018
- Operation
- Air carrier
- Aircraft
- N568AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35183
- Aircraft time
- 43,298 hours, 13,168 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Condition
- Locked
- Location
- Cockpit
- 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.