SDR UIEA2011110600636

Service difficulty report · Skin · Boeing 747446

Difficulty date: November 4, 2011
Submitted: November 7, 2011
Operation: Air carrier
Aircraft: N465MC
Make and model: Boeing 747446
Aircraft serial: 24784
Aircraft time: 76,225 hours, 14,507 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Damaged
Location: Bs 2285
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

WHILE DOING INSPECTIONS IAW SB 747-53A2500/ AD 2006-05-02, FOUND CRACK ON SKIN (PN 65B7004-2) AND BEAR STRAP (PN: 65B38836-4) OF THE R5 MED CUTOUT AFT UPPER CORNER. THE CRACK LENGH IS APPROX 1.35". REFER TO FIG 1 FOR DETAILS OF THE FINDING. (THE CRACK WAS REMOVED BY TRIMMING OUT THE DAMAGES AREA OF THE SKIN AND BEAR STRAP AND HFEC INSP WAS ACCOMPLISHED TO ENSURE CRACK FREE CONDITION. REFER FIG 1 FOR THE REPAIR SCHEME.)