SDR UIEA2012090700390

Service difficulty report · Skin · Boeing 74747UF

Difficulty date: August 30, 2012
Submitted: September 7, 2012
Operation: Air carrier
Aircraft: N498MC
Make and model: Boeing 74747UF
Aircraft serial: 29259
Aircraft time: 57,082 hours, 8,478 cycles
Engine: Ge CF680C2B1F
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Damaged
Location: Rt Wing
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

RT WING INBD MID FLAB ROLLER PLATES REPLACEMENT, SEVERAL FASTENER HOLES OF THE NOSE SKIN ARE FOUND LARGER THAN THAT CALLED OUT IN ATTACHED SB 747-57-2320, FIG 53. ALUMINUM FREEZE PLUGS INSTALLED AND FASTENERS INSTALLED IN OVERSIZED HOLE LOCATIONS IAW RS NR-57-55-37435, REV A.

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