SDR UPS02439577

Service difficulty report · Skin · Boeing 747121

Difficulty date: September 3, 2002
Submitted: October 4, 2002
Operation: Air carrier
Aircraft: N683UP
Make and model: Boeing 747121
Aircraft serial: 20353
Aircraft time: 81,157 hours, 20,074 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Fuselage
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

INSPECTION TYPE:C CRACK FOUND AT AFT CARGO DOOR CUTOUT FWD UPPER CORNER MOST AFT REMOVED FASTENER HOLE, TWO CRACKS FOUND ON SKIN OUTER SURFACE WITH LENGTH 1/16" AND 3/32" APPROX AT 1 AND 7 O'CLOCK RESPECTIVELY. (BS 1810, WL 199) AFT CARGO DOOR CUT-OUT FWD UPPER CRACKED SKIN REPAIRED AS PER SRM 53-30-03 FIG. 62 DETAIL II. REPEAT INSPECTION IS REQUIRED AS PER SRM 53-30-03 FIG 62 TABLE III CATEGORY 'B' REPAIR.