Service difficulty report · Spar · Boeing 747123

Difficulty date
October 1, 2004
Submitted
October 5, 2004
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Aircraft time
78,122 hours, 18,599 cycles
Engine
Pwa JT9D7A
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Lt Wing
Stage of operation
IN
How discovered
9
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

LT WING REAR SPAR LWR FIXED T/E PANEL I/B LWR BEAM AT WBL 128 HAS CORROSION AT FWD TENSION TRES. REMOVE CORRODED DOUBLER, INSTALLED NEW DOUBLER, TREATED & PRIMED PER SRM 51-40-02.