What was found
SHIP 0176 - ATB - DUE TO AFTER T/O MCP ALTITUDE WINDOW FROZE AT 4000 FEET. ALT HOLD INOP. CREW COORDINATED WITH DISP, MCC FOR NON-EMERGENCY ATB TO FRA. CORRECTIVE ACTION: REPLACED AFDS MCP. C/W AFDS TEST 30 AND 40. A/C IS RTS.
- Difficulty date
- July 4, 2019
- Submitted
- July 8, 2019
- Operation
- Air carrier
- Aircraft
- N176DN
- Make and model
- Boeing 767332
- Aircraft serial
- 25061
- Aircraft time
- 130,406 hours, 18,662 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.