Service difficulty report · Panel · Boeing 747412

Difficulty date
December 28, 2024
Submitted
February 6, 2025
Operation
Air carrier
Aircraft
N729CA
Make and model
Boeing 747412
Aircraft serial
25068
Aircraft time
97,345 hours, 16,757 cycles
Part
Panel
Part number
65B1163040
Part serial
NA
Condition
Chipped
Location
Zone 600
Part time
97,345 hours, 16,757 cycles
Stage of operation
IN
How discovered
V
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

DISCOVERED EDGE DAMAGE TO THE RIGHT WING UPPER FIXED TRAILING EDGE PANEL. . THE DAMAGE WAS EVALUATED PER REF /A/. THE DAMAGE IS REPAIRABLE PER REF /B/ AND REF /C/. THE PANEL IS MADE FROM BMS8-79 CLASS I, TYPE 120, 181, 182, OR 184 PLASTIC GLASS FABRIC REINFORCED EPOXY LAMINATE EXCEPT TEDLAR FILM IS COLOR GRAY 200 BM30GY ON INTERIOR SURFACE. SKINS ARE 3 PLIES OF BMS8-79 CLASS I, TYPE 120. FACE FILLERS ARE BMS8-79 CLASS I, TYPE 120, 181, 182, OR 184 AS REQUIRED TO OBTAIN THICKNESS WITH TEDLAR FILM ON INTERIOR SURFACE PER REF /D/. THE UPPER WING FIXED TRAILING EDGE PANELS ARE CLASSIFIED AS SECONDARY STRUCTURE PER REF /E/.