Service difficulty report · Seal · Boeing 7478F

Difficulty date
July 31, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N612UP
Make and model
Boeing 7478F
Aircraft serial
64258
Aircraft time
30,661 hours, 4,488 cycles
Part
Seal
Condition
Broken
Location
Zone 500 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

BROKEN MOLDING SEAL , LT WING NR 4 V.C FLAP OUTBD SIDE MOLDING SEAL IAW SRM 57-43-02-2R-4, REV 49, REFER TO SOPM 20-50-12 REV 160. PERFORM REPAIR AS BELOW STEP :1. REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY THE SEALANT TO REPAIR AREA CURED AT 70 F FOR 20 HOURS.2. CONDITION CHECK IS SATISFACTORY.

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