Service difficulty report · Skin · Boeing 74747UF

Difficulty date
May 29, 2021
Submitted
June 2, 2021
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
92,184 hours
Part
Skin
Condition
Dented
Location
Vertical Stab
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

DENT SKIN V STAB O/B SIDE EXTERNAL SURFACE(<P>CUT OUT THE DAMAGED AREA, RECORD THE CUTOUT AREA CDIA=1".</P><P>35" FROM FWD EDGE. 9.75" FROM LWR BOND THE REPAIR PARTS WITH FILM ADHESIVE CURE AT 250F FROM MINIMUM 90 MINUTES WITH MINIMUM VACUUM OF 20 IN/GH IAW 747-400F SRM 51-70-10-2R-0 REV.91.</P><P>CONDITION CHECK NORMAL.</P>)

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