Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date
October 19, 2016
Submitted
October 21, 2016
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
4,422 hours, 1,444 cycles
Part
Control Panel
Condition
Malfunctioned
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING SHUTDOWN, MCP WENT DARK. ACFT GROUNDED. CYCLED MCP-1AND 2 CIRCUIT BREAKER AND MCP DISPLAY CAME BACK TO LIFE. ACCOMPLISHED MCP REPLACEMENT TEST IAW AMM 22-11-34 AND MCP TEST OPS CHECKED GOOD. DFCS LRU INTERFACE TEST GROUP 32 OPS CK GOOD IAW AMM 22-11- 34. LAND VERIFY GROUP TEST 49 OPS CHECKED GOOD IAW AMM 22-11-00. HGS SENSOR TEST FOR FCC/AT OPS CK GOOD IAW AMM 34-36-00.