Service difficulty report · Control Panel · Boeing 737890

Difficulty date
May 20, 2011
Submitted
May 24, 2011
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
18,050 hours, 5,632 cycles
Part
Control Panel
Part number
4082260939ASA
Part serial
31199853
Condition
Failed
Location
Cockpit
Part time
30,631 hours, 12,911 cycles
Stage of operation
CR
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.

What was found

AUTOPILOT DISCONNECTED FOR NO REASON AT CRUISE BOTH IN CMD A & CDM B SEVERAL TIMES AT CRUISE. A&B LOGGED MCP FAILURES MSG 22 11627 AND 22 11607. REMOVED AND REPLACED MCP REF MM 22 11 34 OPS CHECK NORMAL. ACCOMPLISHED ALL MCP LWMP CHECKS REF LWMP CHECKLIST MM 22 00 01 NO FAULTS. A/C REMAINS CATIIIA AUTOLAND & HGS.