Service difficulty report · Stringer · Boeing 747123F

Difficulty date
October 16, 2006
Submitted
November 15, 2006
Operation
Air carrier
Aircraft
N677UP
Make and model
Boeing 747123F
Aircraft serial
20391
Aircraft time
97,105 hours, 24,042 cycles
Engine
Pwa JT9D7A
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

INSPECTION TYPE-C M/D BS1485 S6R STRINGER END FOUND CRACKED. (CRACK LENGTH 0.45 INCH INCH 0.75 INCH). M/D BS1485 STR 6R REPAIRED IAW RS R53-61-35650 CONTINUE INSPECTION ARE REQUIRED IAW RS R53-61-35650 AND UPS EO B747-5310-25552-A.