Service difficulty report · Floorbeam · Boeing 747121

Difficulty date
September 1, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Part
Floorbeam
Condition
Corrosion
Location
Bs 460
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-C, MAIN DECK FLOOR STRUCTURE: FOUND CORROSION AT FLOORBEAM WEB AT BS 460 LBL 22 LOWER SIDE. REMOVED CORROSION AT MAIN DECK FLOOR STRUCTURE AT FLOORBEAM WEB BS 460 LBL 22 ACC SRM 51-10-01. OUT OFF LIMITS ACC SRM 53-10-01. REPAIRED ACC SRM 53-10-07 FIG 11.