Service difficulty report · Skin · Boeing 7474R7F

Difficulty date
July 9, 2010
Submitted
August 18, 2010
Operation
Air carrier
Aircraft
N581UP
Make and model
Boeing 7474R7F
Aircraft serial
25866
Aircraft time
82,754 hours, 14,396 cycles
Engine
Ge CF680C2B1F
Part
Skin
Part number
65B0207051
Part serial
000312
Condition
Dented
Location
Lt Wing Te Flap
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:C, LT WING INBD AFT FLAP LWR SKIN FOUND SEVERAL DENTS. SKIN METAL HOT BOND INTERIM REPAIRED IAW HX RS R57-51-36778 REV A AND EO B747-5750-39125-A. THIS IS A MAJOR REPAIR WITH ALUMINUM SHEET: 2024T3-0020IN. REPAIR PATCH SIZE: 36.5" X 19". FINAL CUTOUT SIZE: NO TRIM OFF SKIN. LOCATION: LT WING INBD AFT FLAP LWR SKIN WBL 184.3.

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