SDR UPS405514

Service difficulty report · Frame · Boeing 747121

Difficulty date
January 31, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N691UP
Make and model
Boeing 747121
Aircraft serial
19641
Part
Frame
Condition
Cracked
Location
Bs 1860
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 CRACK AND CORROSION ON FRAME AT BS 1860, JUST UNDER SIDE GUIDE. REMOVED DAMAGED SECTION FROM FRAME UPPER CHORD AND REPAIRED FRAME ACC TO SRM 51-40-03 FIG 1.