What was found
AUTOPILOT B DISENGAGED TWICE DURING CRUISE FLIGHT, AT FL 340 FT AND AT 10,000 FT DURING DESCENT. ACFT GROUNDED. PERFORMED DFCS BITE BOTH A & B SHOWED FAULTS IN FLT 1. R & R MCP IAW AMM 22-11-34 ALL TEST PASSED.
- Difficulty date
- September 4, 2016
- Submitted
- September 6, 2016
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 39,280 hours, 11,578 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 4082260939
- Part serial
- 01022379
- Condition
- Faulted
- Location
- Autopilot
- Part time
- 38,958 hours, 15,116 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.