Service difficulty report · Skin · Boeing 747121

Difficulty date
August 29, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Part
Skin
Condition
Corroded
Location
Bs 1670/1695
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, AFT CARGO COMP FOUND HEAVY CORROSION ON INTERNAL SKIN NEAR S30 RT AT BS 1678, BS 1690 AND BS 1695. REMOVED CORRODED SECTIONS OF SKIN PANEL BY MAKING A CUTOUT 21 BY 3.5 AND REPARED SKIN PANEL ACC SRM 53-30-03, FIG 1.