Service difficulty report · Tail Cone · Boeing 7474R7F

Difficulty date
June 18, 2026
Submitted
July 1, 2026
Operation
Air carrier
Aircraft
N583UP
Make and model
Boeing 7474R7F
Aircraft serial
25867
Aircraft time
138,855 hours, 23,452 cycles
Part
Tail Cone
Part number
65B1552224
Condition
Debonded
Location
Flap
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

NR 7 FLAP TRACK AFT TAIL CONE, LOWER SKIN FOUND TAPE APPLY. PERFORMED NDT/UT FOR THE REWORKED AREA & PLUS 2" AROUND HEATED AREA , IAW NDT MANUAL PART 1 51-01-01 REV:182. NO DEFECT WAS FOUND. BOND THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260°F FOR 130 MINUTES WITH A MINIMUM VACUUM OF 22 IN/HG. 2. CONDITION CHECK IS SATISFACTORY.

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