Service difficulty report · Channel · Boeing 7572B7

Difficulty date
March 3, 2008
Submitted
March 4, 2008
Operation
Air carrier
Aircraft
N903FD
Make and model
Boeing 7572B7
Aircraft serial
27124
Aircraft time
47,097 hours, 19,245 cycles
Part
Channel
Part number
141N516033
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
9
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

MAIN CARGO DECK FLOOR, U CHANNEL, BETWEEN STA 310 TO 324, LBL 21, WL 208, HAS CORROSION. REMOVED CORROSION FROM U CHANNEL IAW SRM 51-10-02, L= 2.3 FT, W= 2.0 INCHES, D= .015 INCHES, ORIGINAL MATERIAL THICKNESS .054", FOUND TO BE OUT OF SRM 53-00-51, FIG 101, DETAIL III LIMITS. REMOVED U CHANNEL IAW SRM 51-40-02. FABRICATED NEW REPAIR CHANNEL ON MAE TRAVELER NR T7/713522, FROM 7075-0 0.050C, HEAT TREATED TO T6. LOCATED AND DRILLED REPAIR CHANNEL IAW SRM 51-40-05. TREATED AND PRIMED REPAIR CHANNEL IAW SRM 51-20-01. INSTALLED REPAIR CHANNEL IAW SRM 51-40-02. THIS IS A CATEGORY "A", MAJOR REPAIR.

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