Service difficulty report · Skin · Boeing 747422

Difficulty date
February 5, 2016
Submitted
February 8, 2016
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
70,448 hours, 8,109 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Corroded
Location
Fuselage
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

CORROSION WAS FOUND IN THE BILGE AREA, STATION 780 - 820, STRINGER 47L - 47R. CARRIED OUT EXT PATCH REPAIR IAW 5330 - 05517.