SDR T17A201311074003

Service difficulty report · Landing Gear · Raythn 400ARAYTHEON

Difficulty date: November 4, 2013
Submitted: November 7, 2013
Operation: Air carrier
Aircraft: N445CT
Make and model: Raythn 400ARAYTHEON
Aircraft serial: RK535
Aircraft time: 3,916 hours, 2,904 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Landing Gear
Condition: Malfunctioned
Location: Nose
Stage of operation: DE
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

DURING DESCENT AT FL330, UNCOMMANDED NOSE GEAR EXTENSION. AIRSPEED AT THE TIME OF EXTENSION WAS + 280 KTS AND TOTAL TIME ABOVE 200KTS APPROX 5-10 MINUTES. MAINTENANCE VISUALLY INSPECTED ALL NOSE GEAR COMPNENTS WITH NO DEFECTS NOTED. JACKED AIRPLANE AND PERFORMED OPS TEST OF LANDING GEAR EXTENSION/RETRACTION. NO DEFECTS NOTED. CHECKED RIGGING OF UPLOCK WITH NO DEFECTS NOTED NOTED. PERFORMED NLG AIR-OVERSPEED INSPECTION WITH NO DEFECTS NOTED. PERFORMED FLIGHT TEST WITH NO DEFECTS NOTED. COULD NOT DUPLICATE ISSUE.