Service difficulty report · Skin · Boeing 74747UF

Difficulty date
March 25, 2011
Submitted
March 29, 2011
Operation
Air carrier
Aircraft
N499MC
Make and model
Boeing 74747UF
Aircraft serial
29260
Aircraft time
46,123 hours, 7,986 cycles
Engine
Ge CF680C2B1F
Part
Skin
Condition
Debonded
Location
Rt 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

DURING D2 CHECK INSP BEING PERFORMED; A DISBOND DAMAGE WAS FOUND TO THE RT WING OTBD T/E AFT FLAP UPPER PANEL INNER SKIN. DELAMINATION AREA WAS BETWEEN WING STATION, WBL 747.678 - 799.20 AND AS SHOWN IN FIGURE 2. (ALL DETAILS OF DAMAGE AND REPAIR DATA WERE REPORTED IN SR 1-1832155217. EGA ACCOMPLISHED REPAIR WITHOUT DEVIATION IAW PROPOSED STEPS IAW EGA-TLS-11-0036-04B DATED 25 MARCH 2011. ISSUED A SIGNED FAA FORM 8100-9 ON 25 MARCH 2011 AS AN APPROVAL.)

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