Service difficulty report · Skin · Boeing 747123

Difficulty date
January 20, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Part
Skin
Condition
Cracked
Location
Bs 460-480
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

CRACK UNDER RIVET HEAD S14R LAP BETWEEN BS 460 AND BS 480 CENTER ROW. REMOVED FASTENER, REAMED HOLE TO .261 INCH. HIGH FREQUENCY EDDY CURRENT CONFIRMED CRACK REMOVAL PER NDT MANUAL 51-00-00. INSTALLED FASTENER PER BOEING SRM 51-30-02.