May 9, 2000
Incident
Minor WINDSOR LOCKS, CT
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
Inadequate screw length information provided by the manufacturer, which allowed an inadvertent installation of a holding screw that was too long, and the subsequent fracture of the switch/circuit breaker. Factors included a short circuit of the beacon motor, and the location of the holding screw position within the electroluminescent panel.
NTSB NYC00IA131