SDR 98ZZZM475

Service difficulty report · Skin · Boeing 747257B

Difficulty date
May 19, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N303TW
Make and model
Boeing 747257B
Aircraft serial
20116
Part
Skin
Condition
Cracked
Location
Nr 1 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

DURING C-CHECK INSPECTION DISCOVERED A SKIN DENT AND CRACK IN THE NR 1 PYLON OUTBOARD SKIN AT NACELLE STATION 188, WL 148.5. REPAIRED BY BLENDING OUT THE DAMAGED OUTER SKIN, REMOVING THE EXISTING EXTERNAL CUTOUT CORNER DOUBLER, FABRICATING AND INSTALLING A REPAIR FILLER. REPAIRED IAW EVERGREEN AIR CENTER, ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N303TW-54-004-EAC. (M)