Service difficulty report · Channel · Boeing 747212B

Difficulty date
May 29, 2007
Submitted
June 27, 2007
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Aircraft time
83,127 hours, 18,423 cycles
Part
Channel
Condition
Cracked
Location
Bs 940 S8l
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

INSPECTION TYPE:C CRACK FOUND AT AFT CHANNEL OF BS 940 S8L TENSION TIE AT HOLE NR 16, THE CRACK WAS FOUND IN FWD FACE WITH LENGTH 0.030" APPROX. M/D BS 940 LT SIDE FRAME ATTACH TENSION TIE AFT CHANNEL REPAIRED AS PER RS R53-25-35811. SUPPLEMENTAL INSPECTIONS ARE REQUIRED AS PER RS R53-25-35811 AND UPS EO B747-5310-26946.

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