SDR IPXA13B79210

Service difficulty report · Skin · Boeing 7474R7F

Difficulty date: July 7, 2013
Submitted: July 8, 2013
Operation: Air carrier
Aircraft: N581UP
Make and model: Boeing 7474R7F
Aircraft serial: 25866
Aircraft time: 92,141 hours, 15,796 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 65B07661529
Condition: Cracked
Location: Bs 400
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: SV, FUSELAGE BS 400, LT NOSE WHEEL AFT CORNER SKIN PANEL 1EA FASTENER HOLE FOUND CRACKED THROUGH THICKNESS AT THE SKIN LAYER IN 3 O/C DIRECTION, REFER TO NDT TEST REPORT. REPAIRED IAW RI-53-11-10244, REV A AND EO B747-5330-51345-A, ORG SKIN MATL IS 2024T3-0.063", FASTENER HOLE CRACKED THROUGH THICKNESS, TRIM OUT SIZE IS 1.88" X 1.88". MAJOR REPAIR.

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