Service difficulty report · Actuator · Amd FALCON20

Difficulty date
September 30, 2023
Submitted
October 5, 2023
Operation
Air carrier
Aircraft
N811AA
Make and model
Amd FALCON20
Aircraft serial
187
Aircraft time
27,280 hours, 21,260 cycles
Part
Actuator
Part number
A23722206
Part serial
030
Condition
Leaking
Location
Zone 700
Part time
27,280 hours, 21,260 cycles
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CREW STATED THAT WHILE ON FINAL FOR RUNWAY 19L, THE GEAR DID NOT COME DOWN. THEY REQUESTED DELAY VECTORS TO RUN PROCEDURE. THEY PERFORMED PROCEDURE A SUCCESSFULLY, GEAR EXTENDED. THEY DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. FOUND THE RH MAIN LANDING GEAR BRACING CYLINDER LEAKING. THEY REMOVED AND REPLACED THE RH MLG BRACING CYLINDER WITH A SERVICEABLE UNIT IAW MM32-30-11. LEAK CHECK WAS NORMAL, HOWEVER THEY WERE UNABLE TO PERFORM THE REQUIRED OPERATIONAL CHECK. LANDING GEAR LOCKS WERE INSTALLED AND THE AIRCRAFT WAS INSPECTED AND FERRIED TO KYIP IN ORDER TO PERFORM THE OPS CHECK. UPON ARRIVAL IN KYIP THE LANDING GEAR LOCKS WERE REMOVED AND SEVERAL LANDING GEAR EXTENSION AND RETRACTION TESTS WERE PERFORMED IAW MM 32-30-00. OPS AND LEAK CHECKS WERE BOTH NORMAL AT THIS TIME