SDR IPXA1B65042

Service difficulty report · Skin · Boeing 7474R7F

Difficulty date: February 4, 2011
Submitted: March 2, 2011
Operation: Air carrier
Aircraft: N583UP
Make and model: Boeing 7474R7F
Aircraft serial: 25867
Aircraft time: 90,628 hours, 15,846 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 65B0277836
Condition: Cracked
Location: Bs 2658
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:D, FUS SECTION 48 TAIL CONE EXTERIOR SURFACE SKIN RT AT STA 2658 BELOW APU INLET DOOR CUTOUT APP. 20" SURFACE SKIN CRACKED. FX SECTION 48 TAIL CONE EXTERIOR SURFACE BONDED SKIN AT RT STA 2654 TO 2658 AND STR 11R-12R AREA REPAIRED IAW HX RS R53-81-36928 REV A & EO B747-5330-41608-A. ORG MAT'L IS BONDED SKIN CLAD 2024T3 -0.016" (2 PLIES), CRACK LENGTH 2.5", FINAL CUTOUT: 2.625" X 4.375". THIS REPAIR LIMIT IS 17346 CYCS.

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