What was found
BTV/PWA - FLT 1121 - CHARTER FLIGHT FAR 135. AIRCRAFT DEVELOPED A TOTAL LOSS OF HYDRAULIC PRESSURE AND FLUID QUANTITY. AIRCRAFT DIVERTED TO FWA AND PRIORITY HANDLING WAS REQUESTED. AN UNEVENTFUL LANDING WAS MADE FOLLOWING EMERGENCY GEAR EXTENSION. C/A FOUND LINE, PN 2307006131, B-NUT LOOSE ON LT MLG ACTUATOR RETRACT PORT. TIGHTENED. CHECKED HYDRAULIC FILTERS, SERVICED HYDRAULIC SYSTEM. SERVICED EMERGENCY AIR SYSTEM. OPS AND LEAK CHECKED OK.