SDR ASOA2012081002049

Service difficulty report · Valve · Cndair CL6002B19

Difficulty date: August 6, 2012
Submitted: August 10, 2012
Operation: Air carrier
Aircraft: N820AS
Make and model: Cndair CL6002B19
Aircraft serial: 7188
Aircraft time: 34,157 hours, 30,683 cycles
Engine: Ge CF343B1
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Valve
Condition: Failed
Location: Mlg
Part time: 987,096 hours
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

"GEAR DISAGREE "MASTER WARNING COMPLIED WITH QRH CYCLED GEAR TOOK APPROX 60 SEC FOR GEAR TO COME UP RT MAIN WAS SLOW TO COME DOWN HDY 3 PRESSURE WAS 2700PSI. EMERGENCY DECLARED AS A PRECAUTION. R & R PRIORITY VALVE IAW AMM 32-32-15 IPC REF 32-32-10 ITEM 205 / R/R ACMP PUMP IAW CRJ 200 AMM 29-11-03 IPC REF 29-11-03 ITEM 40A / PERFORMED FUNCTIONAL TEST OF THE LANDING GEAR EXTENSION AND RETRACTION. OPS CHECK GOOD NO FURTHER DEFECT NOTED. SDR CLOSED.