SDR ASOA201100609

Service difficulty report · Proximity Switch · Cndair CL6002B19

Difficulty date: March 24, 2011
Submitted: March 28, 2011
Operation: Air carrier
Aircraft: N909EV
Make and model: Cndair CL6002B19
Aircraft serial: 7658
Aircraft time: 21,000 hours, 18,230 cycles
Engine: Ge CF34*
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Switch
Condition: Out Of Adjust
Location: Nlg
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

AFTER RAISING GEAR AFTER T/O WE HAD A NOSE DOOR OPEN WARNING MSG AND A GEAR DISAGREE WARNING MSG. MAINS RETRACTED NORMALLY NOSE STAYED DOWN AND LOCKED GREEN INDICATION. RAN QRH AND RETURNED TO DEPARTURE. (LANDING GEAR RETRACTION SYS ) (ACFT RETURNED TO DEPARTURE AFTER T/O -- EMERGENCY DECLARED) FOUND NLG CTR/EXTENTED PROX SWITCH S23 NOT WITHIN LIMITS PERFORMED NLG PROX SWITCH S23 ADJUSTMENT IAW AMM-32-61-05, PERFORMED NLG EXTENTSION RETRACTION SWING IAW AMM-32-61-00. OPS CHECKS GOOD DEFER CLEARED PLACARD REMOVED.