Service difficulty report · Frame · Boeing 747121

Difficulty date
March 11, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Part
Frame
Condition
Delaminated
Location
Bs 987.35
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

WHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED WING-TO-BODY FAIRING SUPPORT STRUCTURE, FOUND LOWER CHORD FRAME DELAMINATED DUE TO CORROSION AT BS 987.35, RBL 57 AND RBL 68. REPLACED FRAME LOWER CHORD IAW SRM 51-30-02.