Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date
November 16, 2019
Submitted
November 19, 2019
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
24,018 hours, 7,760 cycles
Part
Control Panel
Part number
4082260939
Part serial
98041365
Condition
Malfunctioned
Location
Mcp
Part time
58,455 hours, 29,346 cycles
Stage of operation
IN
How discovered
9
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

FOUND THE ONE'S DIGIT HALF BURNED OUT ON THE ALTITUDE DISPLAY ON THE MCP. GROUNDED - YES. REMOVED & REPLACED DFCS MCP. ALL TESTS PASS. REF B737-900 AMM 22-11-34.