Service difficulty report · Seal · Boeing 7478F

Difficulty date
September 9, 2026
Submitted
September 15, 2026
Operation
Air carrier
Aircraft
N623UP
Make and model
Boeing 7478F
Aircraft serial
65783
Aircraft time
23,019 hours, 3,397 cycles
Part
Seal
Part number
114U411225
Condition
Damaged
Location
Nr 17 Le 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

FAULT - NO.17 V.C FLAP, OUTBOARD MOLDING SEAL DAMAGE. REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY THE ADHESIVE TO REPAIR AREA CURED AT 80°F FOR 10 HOURS.

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