SDR SWIA2018060444656

Service difficulty report · Priority Valve · Cndair CL6002B19

Difficulty date: May 14, 2018
Submitted: June 4, 2018
Operation: Air carrier
Aircraft: N925EV
Make and model: Cndair CL6002B19
Aircraft serial: 7831
Aircraft time: 30,634 hours, 30,114 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Priority Valve
Part number: 750005000
Part serial: 0865
Condition: Failed
Location: Nlg
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AFTER TAKE OFF, DURING GEAR RETRACTION, NOSE GEAR FAILED TO RETRACT. NOSE GEAR INDICATION SHOWED DOWN WITH MAINS UP. FOLLOWED QRH PROCEDURE, ALL THREE GEAR SHOWED DOWN AND LOCKED. REMOVED AND REPLACED THE MLG SELECTOR VALVE AND MLG PRIORITY VALVE PN 4619-3, SN 1137B AND LT MLG UP-LOCK PN 17051-101, SN CWDD2346-02. OPS CHECKED GOOD.