Service difficulty report · Retainer · Boeing 747428

Difficulty date
July 4, 2020
Submitted
September 8, 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
Retainer
Part number
65B1711679
Condition
Deformed
Location
Lt Wing Le
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 INSPECTION REQUIRED BY TASK CARD 57-830-01-01, LEFT WING OUTER LEADING EDGE LOWER FIXED PANEL LEADING EDGE SEAL RETAINER NOTED AS DEFORMED BETWEEN OLES 1545.50 AND WBL 1241. ACCOMPLISHED REPAIR OF SEAL RETAINER IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC. ENGINEERING ORDER NUMBER 20320-4.