Service difficulty report · Channel · Boeing 74747UF

Difficulty date
August 8, 2012
Submitted
September 7, 2012
Operation
Air carrier
Aircraft
N498MC
Make and model
Boeing 74747UF
Aircraft serial
29259
Aircraft time
57,082 hours, 8,478 cycles
Engine
Ge CF680
Part
Channel
Condition
Cracked
Location
Bs 720
Stage of operation
IN
How discovered
E
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 DECK LT BS 720 TENSION TIE AREA, FOUND ONE HOLE CRACK AT AFT CHANNEL APPROX .030". AFT CHANNEL REPAIRED IAW SRM 53-20-30-2R-1, REPAIR 1, FIG 201.

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