Service difficulty report · Stringer · Boeing 747422

Difficulty date
April 25, 2006
Submitted
May 4, 2006
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
66,603 hours, 8,315 cycles
Engine
Pwa PW4056
Part
Stringer
Condition
Cracked
Location
Bs 500 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 STR 10R AT BS 500 CRACKED AT FASTENER HOLE. DURING ACCOMPLISHMENT OF COA 849781 FOUND STR 10R AT BS 500 CRACKED AT FASTENER HOLE. INSTALLED REPAIR ANGLE REF COA 849781 AND SERVICE BULLETIN 747-53A2484. WORK ACCOMPLISHED ON JOB CARD 250287.