Service difficulty report · Cartridge · Boeing 7378H4

Difficulty date
May 16, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N8305E
Make and model
Boeing 7378H4
Aircraft serial
36683
Aircraft time
46,277 hours, 21,670 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 OTBD FLAP, INBD CLOSURE RIB CARTRIDGE ASSY ON AFT FLAP HAS A CRACK INDICATION WHILE PERFORMING HFEC OPEN HOLE ON THE LOWER SURFACE FORWARD FASTENER HOLE. REMOVED AND REPLACED LT OTBD FLAP IAW 27-51-22. OPS CHECKS GOOD. INSPECTED PER AMM 27-51-22-401-NG OTBD AFT FLAP. REMOVAL/INSTALLATION - PERMANENT.

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