Service difficulty report · Control Valve · Gulstm GIV

Difficulty date
September 16, 2018
Submitted
September 24, 2018
Operation
Air carrier
Aircraft
N4818C
Make and model
Gulstm GIV
Aircraft serial
1385
Aircraft time
6,665 hours, 3,518 cycles
Part
Control Valve
Part number
1159SCH2463A
Part serial
715
Condition
Cracked
Location
Hydraulic Sys
Part time
6,665 hours, 3,518 cycles
Stage of operation
DE
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

COMBINED HYDRAULIC SYSTEM FAILURE ON SHORT FINAL TO BIKF. UPON LANDING NOTED HYDRAULIC LEAK COMING FROM RT LANDING GEAR WHEEL WELL AREA. FOUND "FLIGHT POWER SHUTOFF VALVE" LEAKING IN RT MAIN GEAR WELL. INSTALLED NEW VALVE P/N 1159SCH246-5 S/N 888. INSTALLATION AND OPERATIONAL CHECKS COMPLIED WITH IN ACCORDANCE WITH AMM 27-08-00. PERFORMED COMBINED/FLIGHT HYDRAULIC SYSTEM SERVICING AND BLEEDING IAW AMM 29-01-00.