SDR CA990111046

Service difficulty report · Valve · Cndair CL6002B19

Difficulty date: December 22, 1998
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Cndair CL6002B19
Engine: Ge CF343A
System (JASC): 3231 · Landing Gear Door Retract Section
Part: Valve
Condition: Failed
Location: Nlg
Part time: 6,965 hours
Stage of operation: TO
Nature of condition: O
Precautionary procedure: C

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

What was found

(CAN) DURING GEAR RETRACTION, HYDRAULIC NR 3 PRESSURE WENT TO 3,5OO PSI. GEAR RETRACTED NORMAL, BUT CONSTANT KNOCKING OF NOSE GEAR DOORS. AFTER LOWERING GEAR, THE KNOCKING STOPPED. REPLACED THE NOSE LANDING GEAR DOOR SELECTOR VALVE. TOTAL CYCLES: 5,976.