Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date
November 24, 2015
Submitted
December 1, 2015
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
10,650 hours, 3,436 cycles
Part
Control Panel
Part number
8221567102
Part serial
14HJM
Condition
Failed
Location
Flight Deck
Part time
45,744 hours, 14,739 cycles
Stage of operation
NR
How discovered
9
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

WINDOW ON DFCS MCP HAS LED "DOTS" IN BACKGROUND. NRS ARE READABLE. ACFT GROUNDED. R & R MODE CONTROL PANEL AMM 22-11-34. INSTALLATION TEST PASSED REF AMM 22-11-34-740-801. ACCOMPLISHED ADDITIONAL TESTING REF AMM 22-00-01 DFCS LRU INTERFACE FOR MCP, LAND VERIFY TEST, AND HGS SENSOR FOR FCC/AT, ALL TEST PASSED.