Service difficulty report · Channel · Boeing 74747UF

Difficulty date
June 18, 2012
Submitted
July 5, 2012
Operation
Air carrier
Aircraft
N497MC
Make and model
Boeing 74747UF
Aircraft serial
29258
Aircraft time
56,974 hours, 8,844 cycles
Engine
Ge CF680C2B1F
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

LT SIDE BS 720 TENSION TIE AREA 1 EA FASTENER HOLE CRACK AT FWD CHANNEL RUNNING UPWARD APPROX 0.040" IN LENGTH. FWD CHANNEL REPAIRED AS PER SRM 53-20-30-2R-1 REPAIR 1 FIG 201.

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