Service difficulty report · Skin · Boeing 747428

Difficulty date
July 9, 2020
Submitted
September 28, 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
Skin
Part number
65B1550245
Condition
Cracked
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 TASK 57-810-01-01, A CRACK WAS NOTED ON THE SKIN OF THE LEFT WING INBOARD FIXED LEADING EDGE NOSE BEAM CUTOUT, ADJACENT TO THE NUMBER 11 KRUEGER FLAP INBOARD LINK, LEADING EDGE ILES 543.93. REPAIR ACCOMPLISHED, IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC ENGINEERING ORDER 20300-2.