Service difficulty report · Stringer · Boeing 747121

Difficulty date
July 23, 2005
Submitted
August 12, 2005
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
87,225 hours, 21,374 cycles
Part
Stringer
Condition
Cracked
Location
M/D
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

M/D BS 1740-1760 S3R STRINGER END FOUND CRACKED, CRACK LENGTH 1.5". M/D BS 1740-1760 STR 3R STRINGER END REPAIRED AS PER HX RS R53-61-35355. FOLLOW UP INSPECTION FOR THIS REPAIR IS REQUIRED AS PER HX RS R53-61-35355 AND UPS EO.B747-5310-22662-A.