SDR U2RA202009086003

Service difficulty report · Web · Boeing 747428

Difficulty date: July 6, 2020
Submitted: September 9, 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
System (JASC): 5741 · Wing, Fuselage Attach Fittings
Part: Web
Part number: 65B07895131
Condition: Cracked
Location: Zone 500
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 CARD 57-820-01-01, A CRACK WAS NOTED ON LEFT WING CENTER LEADING EDGE NOSE BEAM INBOARD UPPER AT ILES 693.5, UPPER CHORD, LOWER CHORD, AND WEB. ACCOMPLISHED REPAIR IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC ENGINEERING ORDER NUMBER 20320-2. CHORD P/N 65B07895-131, CHORD P/N 65B07895-171, WEB P/N 65B07895-137.