21 April – 20 May 2019

1598
EUROCOPTER EC130 B4 – ATA 6200 MAIN ROTOR SYSTEM – ANTICIPATOR – UNSERVICEABLE. DR 611953629
Inflight, rapid engine loss of power event occurred.
VEMD interrogated, failure message seen. Collective pitch potentiometer was found faulty. While watching VEMD Data page as collective pitch increased, percentage on the VEMD would go up till around 95 per cent, then going blank. Collective pitch anticipator replaced. Test hover successful.
BELL 206 B – ATA 6310 ENGINE/TRANSMISSION COUPLING – DRIVE SHAFT – FAILED. DR 611953641
Front seal failed – suspected excess sealant applied.
ROBINSON R44 – ATA 6310 ENGINE/TRANSMISSION COUPLING – ACTUATOR – FAILED. DR 611953670
Clutch actuator failed upper limit switch. Clutch actuator removed for switch change. Down limit switch found faulty as well. Moreover, down limit bolt bent. Actuator replaced.
ROBINSON R22 BETA – ATA 6310 ENGINE/TRANSMISSION COUPLING – CLUTCH – LEAKING. DR 611953671
Clutch rear oil seal migrating out of seal retainer plate. Clutch assembly removed, rear oil seal replaced.