NTSB Identification: MIA84IA077.
The docket is stored on NTSB microfiche number 24104.
Scheduled 14 CFR
Incident occurred Friday, February 10, 1984 in WEST PALM BEACH, FL
Aircraft: GRUMMAN G-73, registration: N2969
Injuries: 14 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

THE ACFT EXPERIENCED AN ELEVATOR TRIM LOSS, ENCOUNTERED EXTREME 'SHAKING AND VIBRATION' OF CONTROL COLUMN AND TAIL SECTION FLUTTERING WHILE ON DESCENT TO PALM BEACH INT'L ARPT. INVESTIGATION REVEALED THAT THE END OF THE ACTUATOR SHAFT FAILED AT A RIVET HOLE ALLOWING THE ACTUATOR TO DISCONNECT FROM THE TRIM TAB SHAFT ASSEMBLY.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

FLT CONTROL SYST,ELEVATOR TRIM/TAB CONTROL..FAILURE,TOTAL

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