Service difficulty report · Pin · Boeing 757224

Difficulty date
August 17, 2025
Submitted
August 20, 2025
Operation
Air carrier
Aircraft
N21108
Make and model
Boeing 757224
Aircraft serial
27298
Aircraft time
105,858 hours, 25,611 cycles
Part
Pin
Condition
Installed
Location
Zone 800
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

INSTALLED DOOR L4 CYLINDER SAFETY PIN ASSEMBLY INTO THE INFLATION CYLINDER VALVE ON THE SLIDE PACK IAW AMM25-66-01-004-154. REMOVED DOOR L 4 CYLINDER SAFETY PIN ASSEMBLY OUT OF INFLATION CYLINDER VALVE ON A SLIDE PACK IAW AMM25-66-01-404-044. REF: LOG PAGE 5945273. RII CW ON L4 SAFETY PIN REMOVAL, OK TO CONTINUE.