Service difficulty report · Doubler · Boeing 74747UF

Difficulty date
August 17, 2020
Submitted
August 20, 2020
Operation
Air carrier
Aircraft
N416MC
Make and model
Boeing 74747UF
Aircraft serial
32838
Aircraft time
76,912 hours, 12,731 cycles
Part
Doubler
Part number
65B3825110
Condition
Corroded
Location
Bs 1940-1960
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

CORROSION ON DOUBLER SPLICE OF MAIN DECK CARGO COMPARTMENT STRUCTURE, BETWEEN STA 1940-1960, RBL 75.92. REMOVED THE CORROSION DOUBLER SPLICE IAW SRM 51-40-02 REV 88. FABRICATE THE DOUBLER SPLICE IAW EI NO T2020A53-1887 REV. 0. INSTALL THE FABRICATED PART IAW SRM 51-40-02 REV 88 AND DWG NO 65B38251 SH 32, REV -, 65B38251 SH 62 REV A. JOB COMPLETED AND CONDITION CHECK NORMAL.

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