Service difficulty report · Doubler · Boeing 747422

Difficulty date
September 11, 2012
Submitted
September 20, 2012
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
58,049 hours, 6,888 cycles
Engine
Pwa PW4056
Part
Doubler
Condition
Cracked
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

STA 1140 LEFT DOUBLER 2 EA HOLES CRACKED AT TENSION TIE. REMOVED AND REPLACED DOUBLER IAW SRM 51-40-02.