Service difficulty report · Seal · Boeing 747422

Difficulty date
November 17, 2011
Submitted
November 18, 2011
Operation
Air carrier
Aircraft
N179UA
Make and model
Boeing 747422
Aircraft serial
25158
Aircraft time
86,101 hours, 10,451 cycles
Engine
Pwa PW4056
Part
Seal
Condition
Deteriorated
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

COCKPIT WINDSHIELD 1L MOISTURE SEAL DETERIORATED. MUST BE REPAIRED PRIOR TO FURTHER FLIGHT. REPLACED SEALANT REF AMM.