Service difficulty report · Cartridge · Boeing 7377H4

Difficulty date
July 29, 2026
Submitted
August 4, 2026
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
61,274 hours, 37,077 cycles
Part
Cartridge
Condition
Cracked
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

LEFT WING OUTBOARD AFT FLAP INBOARD CLOSURE RIB CARTRIDGE ASSEMBLY IS CRACKED ON AFT LOWER SURFACE. REMOVED AND REPLACED LT OTBD AFT FLAP IAW AMM 27-51-22. VERIFIED ADJUSTMENT ADJUSTMENT GOOD. OP CHECKED GOOD. VERIFIED WORK ACCOMPLISHED IAW AMM 27-51-22.

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