Service difficulty report · Window · Boeing 747422

Difficulty date
February 9, 2011
Submitted
March 4, 2011
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
51,116 hours, 6,172 cycles
Engine
Pwa PW4056
Part
Window
Part number
14150007
Part serial
49
Condition
Out Of Tolerance
Location
Cockpit
Stage of operation
IN
How discovered
V
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

NR 2 LEFT FLIGHT DECK SIDE WINDOW SHOWS EVIDENCE OF MOISTURE INGRESSION AROUND PERIPHERY, BUT ESPECIALLY IN UPPER AFT AND LOWER AFT CORNERS. REMOVED NR 2 LEFT FLIGHT DECK WINDOW TO END OF REMOVAL TASK IAW MM, INSTALLED WINDOW 2L IAW MM.