Service difficulty report · Skin · Boeing 74747UF

Difficulty date
August 31, 2006
Submitted
September 6, 2006
Operation
Air carrier
Aircraft
N415MC
Make and model
Boeing 74747UF
Aircraft serial
32837
Aircraft time
18,006 hours, 2,910 cycles
Part
Skin
Condition
Corroded
Location
Lt Wing
Part time
18,006 hours, 2,910 cycles
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

N415MC AT PIK FOR MSG-3 CHECK C-4 & A-4. AS PER N/ROUTINE 105 LEFT WING UPPER SURFACE WS 752-779 FIVE BLENDED & RESURFACED AREAS ON THE OUTER AREA. FWD MOST DEPTH TO BE CHECKED. FWD BLEND OUT CHECKED BETWEEN WS 752 - WS 779. MAX DEPTH OF BLEND OUT = 0.017 AND IS WITHIN ALLOWABLE MAX DEPTH AFTER CLEANED UP = 0.067 AS PER SRM 57-20-01.

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