Service difficulty report · Window · Boeing 747422

Difficulty date
December 12, 2011
Submitted
December 14, 2011
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
52,157 hours, 6,147 cycles
Engine
Pwa PW4056
Part
Window
Part number
141U482111
Part serial
66
Condition
Delaminated
Location
Cockpit
Stage of operation
NR
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

CAPT'S NR 2 WINDOW HAS DELAMINATION AND MOISTURE INGRESS IN FWD LOWER CORNER. BEGAN REMOVAL OF NR 2 LT WINDOW PER MM. CONTINUED NR 2 LT WINDOW INSTALLATION PER MM. COMPLETED ITEMS 3A THRU 3H. NEED TO COMPLETE ITEM 3I. REPLACED NR 2L WINDSHIELD & RE-INSTALLED CRASHPADS, SUNSHADES SUNVISORS & RAILS + DEFROST AIR DISTRIBUTION DUCT. NR 2L WINDOW HEAT SYS NEEDS OPS CHECK PER MM ON ACCT OF WINDSHIELD REPLACEMENT. ACP'D 2L WINDOW HEAT SYSTEM TEST, TESTS GOOD.