SDR EIA2000245

Service difficulty report · Skin · Boeing 747121

Difficulty date: September 3, 2000
Submitted: January 23, 2001
Operation: Air carrier
Aircraft: N480EV
Make and model: Boeing 747121
Aircraft serial: 20348
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Wing
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

C1-CHECK, UPPER L/E FOUND BULGED AREA AT WS 1390 JUST AFT OF NR 3 VC FLAP AREA IN 2 LOCATIONS. WS 1380-1400 BLENDED OUT, AND NDT INSPECTED SKIN AND OPEN HOLES. FLAP-PEENED, ALODINED AND PRIMED. ORIGINAL FASTENERS REPLACED WITH .0625 INCH OVERSIZED HI-LOCK FASTENERS IN INTERFERENCE FIT HOLES. CAP SEAL FASTENERS FUEL TANK. REF EVR-HKG-00-00083F/00157H/00141F/00159H/00143F/00162H/00144F/FAA 8110-3/R57-25-34484. (M)