Service difficulty report · Frame · Boeing 747123

Difficulty date
June 1, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Part
Frame
Part number
65B90411604
Condition
Cracked
Location
Nr 3 Pylon
Stage of operation
IN
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:N/A, NR 3 PYLON FRAME CRACKED FWD END OF DIAG BRACE FWD ATTACH FITTING, I/B SIDE APPROX PYLON STA 292, APPROX 2 INCH LONG, FROM BOTTOM END OF FRAME. *S/D* REMOVED DAMAGED RIB (P/N 65B90411-604) AND REPLACED WITH RIB (P/N 65B90411-604) AND BONDING ADHESIVE IAW SRM 51-30-02. HOT BOND OF RIB ACCOMPLISHED IAW B747 SRM 51-40-06.