Service difficulty report · Stiffener · Boeing 747428

Difficulty date
July 14, 2020
Submitted
October 19, 2020
Operation
Air carrier
Aircraft
N952CA
Make and model
Boeing 747428
Aircraft serial
25238
Aircraft time
101,195 hours, 15,251 cycles
Engine
Ge CF680C2B1F
Part
Stiffener
Part number
65B07942164
Condition
Cracked
Location
Bs 265-280
Part time
101,195 hours, 15,251 cycles
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

DURING ACCOMPLISHMENT OF BOEING SERVICE BULLETIN 747-53A2465 REVISION 5, FOUND NOSE WHEEL WELL SIDE PANEL STIFFENER CRACKED AT BODY STATION 265-STA 280 WATERLINE 170, LEFT BUTTOCK LINE 30. FABRICATED STIFFENER IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC. ENGINEERING ORDER 20293-5. REPLACEMENT ACCOMPLISHED IN ACCORDANCE WITH SB 747-53A2465 REVISION 5.