Service difficulty report · Erosion Shield · Boeing 74744AF

Difficulty date
May 28, 2026
Submitted
June 3, 2026
Operation
Air carrier
Aircraft
N577UP
Make and model
Boeing 74744AF
Aircraft serial
35666
Aircraft time
63,511 hours, 9,924 cycles
Part
Erosion Shield
Part number
65B15180291A
Part serial
012377
Condition
Damaged
Location
Zone 600 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

ERODED MOLDING SEAL, R/H WING L/E NO.18 V.C FLAP. I.A.W. SRM 57-43-02-2R-5 REV. 106 REFER TO SOPM 20-50-12 REV. 159 REMOVE THE RAIN EROSION SHIELDS AND CLEAN. 1.2 APPLY THE SEALANT TO REPAIR AREA CURED AT 70°F FOR 48 HOURS. CONDITION CHECK IS SATISFACTORY. I.A.W. 747-400F SRM 57-43-02-2R-5 REV. 106 REFER TO SOPM 20-50-12 REV. 159 PERFORM REPAIR

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