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Landing gear.

The following information is derived from the FAA's Service Difficulty Reports and Aviation Maintenance Alerts.

BEECHCRAFT MODEL 58 BARON

Left Main Gear Collapse

Left main landing gear collapsed on landing. Gear indicator showed all three gears down and locked before touchdown. The left gear folded immediately upon touchdown. Inspection of main gear system revealed heavy damage, therefore its rigging prior to the failure is unknown.

Aircraft total time: 5713.0 hours

BEECHCRAFT MODEL C90A KING AIR

Right Main Gear Unsafe Indication

Crew observed right main landing gear unsafe indication. After following checklists, crew was not able to acquire safe indication. Aircraft landed and after coming to a stop, the right main gear collapsed. Significant damage was discovered to the right main gear actuator support structure, with the actuator observed in the extended position.

Aircraft total time: 5086.0 hours

CESSNA 401B

Collapsed Nose Gear

Nose landing gear collapsed on landing. Nose gear reported to have been operated with a deflated nose strut and on rough airstrips. Extension tests found gear would come within 0.5 in. of full-down travel. Inspection revealed excessive play in associated rods, bell cranks and bushings, and displayed little lubrication.

Aircraft total time: Unknown

PIPER PA-28-181 ARCHER II/III

Failed Fasteners

Right main landing gear collapsed and folded under the wing. Fasteners attaching gear trunnion to airframe/wing failed. Evidence indicates two lower outboard fasteners were broken or loose, allowing mounting holes to elongate and splay materials outward. A bracket attached to the trunnion displayed fretting because of failed fasteners. Aircraft is used for flight training; no hard landings had been reported.

Aircraft total time: 6812.0 hours

PIPER PA-31-310 NAVAJO C

Corroded Nose Gear Fasteners

Nose gear not extending in flight due to lack of lubrication. Airplane operated and parked on gravel next to salt water past two years. Increased lubrication interval to 25 hours and replaced most bolts and bushings on nose gear due to rust.

Aircraft total time: 16,882.0 hours

PIPER PA-46-350P MALIBU MIRAGE

Jammed Nose Wheel

Aircraft landed with its nose wheel steering horn assembly jammed in engine mount tube, causing aircraft to depart runway. Suspect aircraft mishandling during towing may have damaged engine mount interface. Gear extension coinciding with left rudder input also is suspected to have caused the interference. Right rudder input after full extension could not clear the jammed nose wheel.

Aircraft total time: 106.0 hours

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Title Annotation:SQUAWK BOX
Publication:Aviation Safety
Geographic Code:1USA
Date:Apr 1, 2016
Words:400
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