Service difficulty report · Seal · Boeing 74744AF

Difficulty date
May 31, 2026
Submitted
June 4, 2026
Operation
Air carrier
Aircraft
N577UP
Make and model
Boeing 74744AF
Aircraft serial
35666
Aircraft time
63,511 hours, 9,924 cycles
Part
Seal
Part number
65B15180291A
Part serial
012379
Condition
Peeling
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

PEEL OFF - MOLDING SEAL, L/H WING L/E NO.8 V.C FLAP EXTERNAL OUTBD SIDE UPPER CORNER AREA. IAW SRM 57-43-02-2R-5 REV. 106 REFER TO SOPM 20-50-12 REV. 159 PERFORMED A REPAIR, REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY THE SEALANT TO REPAIR AREA CURED AT 70 F FOR 48 HOURS. 2. CONDITION CHECK IS SATISFACTORY. IAW SRM 57-43-02-2R-5 REV. 106 REFER TO SOPM 20-50-12 REV. 159 PERFORM REPAIR.

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