Service difficulty report · Web · Boeing 747121

Difficulty date
September 6, 2002
Submitted
October 4, 2002
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
81,157 hours, 20,074 cycles
Part
Web
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
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 U/D- FLR SUPPORT ATT CURVE WEB FOUND HEAVY CORR AS MARKED. (BS 460, WL 307, RBL 24) CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.032" X 1" X 2" EXCEED SRM 53-10-01 LIMITS, WEB REPAIRED PER SRM 51-40-03 FIG 3