Service difficulty report · Cartridge · Boeing 7377H4

Difficulty date
June 6, 2026
Submitted
June 9, 2026
Operation
Air carrier
Aircraft
N902WN
Make and model
Boeing 7377H4
Aircraft serial
36615
Aircraft time
59,687 hours, 34,850 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 OTBD AFT FLAP INBD PROGRAM ROLLER CARTRIDGE ASSY; HAS A HFEC CRACK INDICATION ON THE LOWER AFT SURFACE. R & R LT WING OTBD FLAP IAW AMM 27-51-21, INSPECTED IAW AMM 27-51-22-601-NG.

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