Service difficulty report · Priority Valve · Cndair CL6002B19

Difficulty date
December 24, 2020
Submitted
December 29, 2020
Operation
Air carrier
Aircraft
N452AW
Make and model
Cndair CL6002B19
Aircraft serial
7835
Aircraft time
36,620 hours, 35,296 cycles
Part
Priority Valve
Part number
4622
Part serial
1636A
Condition
Malfunctioned
Location
Nlg
Part time
36,622 hours, 35,297 cycles
Stage of operation
NR
How discovered
9
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

APPROXIMATELY 10 SECONDS AFTER GEAR SELECTED UP RECEIVED GEAR DISAGREE. NLG SHOWED DOWN AND LOCKED. MAINS WERE UP. DUE TO NR 3A ACMP ON MEL. WAITED 20 PLUS SECONDS. NO CHANGE TO INDICATIONS. CW QRH. PULLED EMERGENCY LEVER GEAR EXTENDED AND INDCATED LOCKED DOWN. BURNED OFF FUEL. AIRCRAFT REMOVED FROM SERVICE. R & R NLG PRIORITY VALVE, REF AMM 32-33. OPERATIONS CHECK/LEAK CHECK GOOD. REMOVED PLACARD, REMOVED FROM MEL.