Service difficulty report · Channel · Boeing 747121

Difficulty date
February 11, 2007
Submitted
March 16, 2007
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
90,184 hours, 22,066 cycles
Part
Channel
Condition
Cracked
Location
Bs 780
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 LEFT BS 780 FRAME TENSION TIE ATTACHMENT AT FASTENER HOLE NR 7 CRACK AT AFT CHANNEL RUNNING UPPER APPROX .0625 INCH IN LENGTH. M/D BS 780 LT FRAME ATTACH TENSION TIE AFT CHANNEL REPAIRED AS PER RS R53-25-35745. CONTINUE INSPECTION IS REQUIRED AS PER RS R53-25-35745 AND UPS EO B747-5310-26128.