Service difficulty report · Skin · Boeing 747121

Difficulty date
April 22, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Part
Skin
Condition
Cracked
Location
Nr 2 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

INSPECTION TYPE-C, PYLON NR 2 FOUND DURING SB 747-54-2034 CRACK UNDER OLD DOUBLER 3.5 LONG RUNNING TO MID SPAR CHORD NAC STA 180 RT SIDE. TRIMMED SKIN AND DOUBLER, INSTALLED FILLER. INSTALLED THE LARGE DOUBLER ACC KLM DFX 97-087 ISSUE 3, EFN 747-54-0156.