Service difficulty report · Channel · Boeing 7472L5B

Difficulty date
August 4, 2010
Submitted
August 5, 2010
Operation
Air carrier
Aircraft
N815SA
Make and model
Boeing 7472L5B
Aircraft serial
22107
Aircraft time
96,368 hours, 19,493 cycles
Part
Channel
Condition
Cracked
Location
Fuselage
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

CABIN STA 940 APPROX RBL 60 TENSION TIE FWD CHANNEL FOUND CRACKED. CRACKED ‘C’ CHANNEL AT BS 940 TRIMMED OUT AS PER SRM 53-10-11 FIGURE 2 REVISION 117. HFEC INSPECTION CARRIED OUT ON THE TRIMMED OUT AREA AND FOUND NO CRACK EVIDENT. FABRICATED REPAIR CHANNEL AND ANGLES AS PER SRM 53-10-11 FIGURE 2 REVISION 117, HEAT TREATED AS PER BAC 5602, HARDNESS TESTED AS PER BAC 5946 AND CONDUCTIVITY TESTED AS PER BAC 5651. FABRICATED REPAIR CHANNEL AND ANGLES HOLES PICK UP, PROTECTED AND INSTALLED AS PER SRM 51-30-05, 51-10-02 AND SRM 53-10-11 FIGURE 2 REVISION 117.

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