SDR REXA201000184

Service difficulty report · Warning System · Cndair CL6002B19

Difficulty date: October 4, 2010
Submitted: October 8, 2010
Operation: Air carrier
Aircraft: N8674A
Make and model: Cndair CL6002B19
Aircraft serial: 7674
Aircraft time: 18,400 hours, 16,300 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Warning System
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: M, J
Precautionary procedure: A

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

What was found

OPERATING UNDER AN MEL FOR THE MAIN LANDING GEAR BAY OVERHEAT SYSTEM BEING DEFERRED. THIS MEL REQUIRED THE GEAR TO REMAIN DOWN FOR 10 MINUTES AFTER TAKEOFF. AFTER 10 MINUTES OF FLIGHT, RETRACTED THE GEAR AND THE NOSE GEAR FLAGGED RED DURING TRANSIT AND THE TRIPLE CHIME SOUNDED WITH A GEAR DISAGREE AURAL AND MASTER WARNING MESSAGE. RAN THE QRH AND THE NOSE GEAR RETRACTED WHEN THE HYDRAULIC B-PUMPS WERE TURNED ON. MAINTENANCE PERFORMED OPERATION CHECK OF GEAR RETRACTION IAW AMM 32-30-00 AND FOUND NO DISCREPANCIES.