Sep 13, 1993
Incident
JAMAICA, NY
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
THE FAILURE OF THE LEFT HYDRAULIC PRESSURE SWITCH, WHICH CAUSED THE LEFT YAW DAMPER MODULE TO BECOME INOPERATIVE RESULTING IN UNCOMMANDED RUDDER MOVEMENTS DURING FLIGHT.
NTSB BFO93IA175