Service difficulty report · Hydraulic Line · Raythn 400ARAYTHEON

Difficulty date
March 17, 2020
Submitted
March 20, 2020
Operation
Air carrier
Aircraft
N452TM
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK577
Aircraft time
7,728 hours, 5,885 cycles
Part
Hydraulic Line
Part number
AE1009196G0124
Condition
Leaking
Location
Zone 400
Part time
7,728 hours, 5,885 cycles
Stage of operation
LD
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

CREW LOST MAIN BRAKES AFTER LANDING IN KLZU AND DEPLOYING THRUST REVERSER, USED EMERGENCY BRAKE TO SLOW AIRCRAFT TO A SAFE TAXI SPEED. HYDRAULIC LEVEL LOW LIGHT ILLUMINATED UPON TURNING ONTO THE TAXIWAY. CREW NOTED HYDRAULIC FLUID UNDER LH ENGINE PYLON ON FUESLAGE DURING POST FLIGHT. MX DISCOVERED THE LH THRUST REVERSER DEPLOY HYDRAULIC HOSE ASSY. LEAKING. MX GAINED ACCESS REMOVED AND REPLACED THE DAMAGED HOSE, SERVICED AND BLED THE HYDRAULIC SYSTEM, PERFORMED A SATISFACTORY OPS AND LEAK CHECK IAW BEECHJET AMM 29-10-00.