SDR A6WA2016110944555

Service difficulty report · Priority Valve · Bombdr CL6002D15

Difficulty date: November 6, 2016
Submitted: November 9, 2016
Operation: Air carrier
Aircraft: N441ZW
Make and model: Bombdr CL6002D15
Aircraft serial: 7777
Aircraft time: 32,089 hours, 30,846 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Priority Valve
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

FLIGHT 4099, AFTER TAKE OFF, RECEIVED GEAR DISAGREE WARNING, NOSE GEAR UNSAFE, 25 SECONDS AFTER SELECTING GEAR UP. COMPLIED WITH QRH, MANUALLY SELECTED GEAR DOWN. GEAR INDICATED 3-GREEN-DOWN. LANDED AT 46000 GROSS.PSEU SHOWS S22 DN FAR, S30DN FAR,S31 DN FAR,S3S32 DN FAR. D114 DN ON. R & R NLG EXT/RETRACT PRIORITY VALVE IAW 32-33-15. REPACKED THE SHOCK STRUT FLOATING PISTON IAW 32-21-25. GEAR SWING CHECKED GOOD.