Service difficulty report · Skin · Boeing 74747UF

Difficulty date
May 18, 2010
Submitted
May 24, 2010
Operation
Air carrier
Aircraft
N497MC
Make and model
Boeing 74747UF
Aircraft serial
29258
Aircraft time
48,184 hours, 7,388 cycles
Engine
Ge CF680C2B1F
Part
Skin
Condition
Cracked
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

EO 4457A250: MX FOUND THE LT - OTBD MID FLAP LOWER SURFACE WITH A CRACK AND DELAMINATION MEASURING 6.56 FT LONG. DAMAGE IS BEYOND THE SRM LIMITS IAW THE SRM 57-53-01, FIG 101. (ALLOWABLE DAMAGE GENERAL). PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS. SCHEDULE REPEAT INSPECTIONS AT EVERY 5 FC AND PERMANENT REPAIR AT THE NEXT A CHECK AFTER PART 1 IAW SRM 57-53-01. FIG 201 REPAIR 1, TABLE II AND SRM 51-70-07. (250 DEGREE CURE).

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