What was found
A AUTOPILOT DISCONNECTED IN CRUISE AT FL360. ENGAGED FINE AFTER. ACFT GROUNDED. LAST THREE LEG FAULTS ON FCC A, MCP DATA INVALID. REMOVED & REPLACED MCP IAW AMM 22-11-34. OPS NORMAL IAW SAME. ALL LLM MTX TEST FOR MCP GOOD. .
- Difficulty date
- December 21, 2017
- Submitted
- December 26, 2017
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 9,274 hours, 3,135 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 4082260939
- Part serial
- 31199853
- Condition
- Faulted
- Location
- Flight Deck
- Part time
- 46,774 hours, 23,048 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.