SDR COMA086365

Service difficulty report · Selector Valve · Cndair CL6002B19

Difficulty date: August 21, 2008
Submitted: September 5, 2008
Operation: Air carrier
Aircraft: N451CA
Make and model: Cndair CL6002B19
Aircraft serial: 7562
Aircraft time: 16,710 hours, 14,741 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Selector Valve
Part number: 601R751461
Part serial: 1682
Condition: Malfunctioned
Location: Mlg
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: L

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

What was found

ON APPROACH, RECEIVED TWO MASTER WARNINGS, ONE FOR NOSE GEAR OPEN, THE OTHER FOR GEAR DISAGREE. ABORTED APPROACH, RAN QRH, MANUALLY EXTENDED GEAR, LANDED WITHOUT INCIDENT WITH GEAR INDICATING GREEN. REPLACED NLG SELECTOR VALVE. NO FURTHER DEFECTS.