These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Cessna Aircraft Company 300 and 400 Series Airplanes
Feb 15, 2000
Airframe (421A)
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (2)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Landing gear · bolt · shearedMay 1, 2013
LEFT MAIN GEAR COLLAPSED ON LANDING ROLLOUT, PIC ADVISED 3 GREENS ON APPROACH, NORMAL LANDING UNTIL ACFT SETTLED ON GEAR AND LT SIDE COLLAPSED. WINDS LIGHT. ACFT PULLED LEFT INTO GRASS AND STRUCK LIGHTS AND POLE. LEFT ENGINE PROP SHOWS CURLED TIPS DUE TO GROUND STRIKE AND SUBSTANTIAL DAMAGE TO LT…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Landing gear · bolt · failedJun 21, 2006
LANDING GEAR COLLAPSED DURING ROLLOUT AFTER LANDING. UPON INSPECTION IT WAS NOTED THAT A BOLT CONNECTING THE DOWNLOCK BELLCRANK TO THE UPPER STRUT ASSEMBLY HAD FAILED. THE BOLT HEAD WAS MISSING ALLOWING ALL OF THE FORCE FROM THE BELLCRANK TO BE APPLIED DIRECTLY AND ENTIRELY TO THE FORWARD ATTACH…
From FAA Service Difficulty Reports; matched by N-number and serial number.