Service difficulty report · Frame · Boeing 747123F

Difficulty date
October 21, 2006
Submitted
November 17, 2006
Operation
Air carrier
Aircraft
N677UP
Make and model
Boeing 747123F
Aircraft serial
20391
Aircraft time
97,105 hours, 24,042 cycles
Part
Frame
Condition
Cracked
Location
Bs 2231 S23-25l
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 2231 FRAME FOUND CRACKED AT REVEAL AT 3EA LOCATIONS BETWEEN S23L & 25L. CRACK LENGTH .125" & .375" & .625". LEFT BS 2231 FRAME BETWEEN S23L - S25L REVEAL REPAIRED AS PER HX RS R53-00-35672 WORKING DETAIL REF NRC 51422. CONTINUED INSPECTION IS REQUIRED AS PER HX RS R53-00-35672 AND UPS EO B747-5310-25584.