Service difficulty report · Drag Strut · Lkheed 10113851

Difficulty date
August 22, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N728DA
Make and model
Lkheed 10113851
Aircraft serial
193C1173
Part
Drag Strut
Part number
1549407103
Condition
Corrosion
Location
Nr 3 Eng Pylon
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

THE FWD O/B LUG OF THE NUMBER 3 ENGINE PYLON DRAG STRUT WAS FOUND WITH CORROSION DAMAGE ON THE INNER AND OUTER FACES. THE INNER FACE OF THE OUTBOARD LUG WAS MACHINED 0.041. THE OUTER FACE OF THE OUTBOARD LUG WAS MACHINED 0.023. A LOCAL BLEND OF 0.013 BY .375 DIAMETER WAS ALSO REQUIRED TO REMOVE CORROSION FROM THE OUTER FACE. THE NR 3 PYLON DRAG STRUT OUTBOARD LUG THICKNESS REMAINING IS 1.333.