Service difficulty report · Structure · Boeing 747422

Difficulty date
January 2, 2010
Submitted
January 4, 2010
Operation
Air carrier
Aircraft
N171UA
Make and model
Boeing 747422
Aircraft serial
24322
Aircraft time
76,508 hours, 9,128 cycles
Engine
Pwa PW4056
Part
Structure
Condition
Cracked
Location
Bs 450 S10r
Stage of operation
IN
How discovered
9
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

FOUND FWD FASTENER HOLE CRACKED AT STR 10R BS 450. MAJOR REPAIR ACCOMPLISHED: INSTALLED REPAIR ANGLE.