SDR A6WA201141048

Service difficulty report · Selector Valve · Cndair CL6002B19

Difficulty date: November 27, 2011
Submitted: December 9, 2011
Operation: Air carrier
Aircraft: N417AW
Make and model: Cndair CL6002B19
Aircraft serial: 7610
Aircraft time: 23,126 hours, 21,906 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Selector Valve
Part number: 750006000
Part serial: 1794
Condition: Failed
Location: Nlg
Part time: 23,126 hours, 21,906 cycles
Stage of operation: CL
How discovered: O
Nature of condition: E
Precautionary procedure: A

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

What was found

DURING GEAR RETRACTION, LOUD CLUNKING NOISE FROM NLG AREA, NOISE WENT AWAY AFTER GEAR AND FLAPS RETRACTED. NOISE RETURNED AGAIN WHEN FLAPS SELECTED TO 8 DEGREES. R & R NLG DOOR SELECTOR VALVE REF AMM 32-22-20. OPS AND LEAK CK GOOD. SN OFF 1794, SN ON 1178, PC 32-20-152 CLM.