What was found
"A" AUTOPILOT DISENGAGED TWICE AT CRUISE FL 340 .77 MACH. GROUNDED - YES. REMOVED & REPLACED DFCS MCP AND ACCOMPLISHED REQUIRED TESTS WITH NO FAULTS. REF B737-900 AMM 22-11-34.
- Difficulty date
- April 12, 2022
- Submitted
- April 14, 2022
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 24,438 hours, 7,727 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Autopilot Sys
- Part number
- 4082260939
- Part serial
- 99031708
- Condition
- Disengaged
- Location
- Cockpit
- Part time
- 124 hours, 39 cycles
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.