SDR UPS03441330

Service difficulty report · Skin · Boeing 747121

Difficulty date: September 17, 2003
Submitted: October 3, 2003
Operation: Air carrier
Aircraft: N682UP
Make and model: Boeing 747121
Aircraft serial: 20349
Aircraft time: 98,649 hours, 25,117 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Fuselage
Stage of operation: IN
How discovered: 9
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 INDICATION REVEALED ON BS 2250 S28L FUSELAGE SKIN AREA AS MARKED UNDER REPAIR DOUBLER. REPAIR CARRIED OUT IAW SRM 53-30-03 FIG 1 WITH FWD MOST EXISTING FASTENERS 7EA OVERSIZED .0625 INCH AND FASTENERS INSTALLED IAW SRM 51-00-06 AND 51-30-02 AFTER INSPECTED BY HFEC. SUBEQUENT INSPECTION ARE NECESSARY DUE TO THIS REPAIR CLASSIFY AS CATEGORY B REPAIR. REINSPECT IAW EO B747-5330-17977-B.