Service difficulty report · Channel · Boeing 747200

Difficulty date
August 7, 2007
Submitted
August 29, 2007
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
79,715 hours, 18,925 cycles
Part
Channel
Condition
Damaged
Location
Fuselage
Stage of operation
IN
How discovered
V
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 M/D RIGHT BS 940 TENSION TIE TO FRAME CONNECTION FOUND NR 4 HOLE CRACK AT FWD CHANNEL RUNNING DOWN. CRACK LENGTH 0.060 INCH. M/D RIGHT BS 940 TENSION TIE TO FRAME FWD CHANNEL NR 4 HOLE OVERSIZED IN STACK UP TO 0.309 INCH DIA BY INCREMENT AS PER EO B747-5310-23715 APP D. FASTENER INSTALLED AS PER EO B747-5310-23715 APP C AFTER HFEC INSPECTED PER NTM PART 6 51-00-00 FIG 16.

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