What was found
LANDING GEAR HANDLE WAS SELECTED UP. LANDING GEAR DID NOT RETRACT AND INDICATION REMAINED GEAR DOWN.INSPECTED HYD. RESERVOIR AND ACCUMULATOR FOR PROPER SERVICING. INSPECTED ALL CPS AND WIRING FOR SECURITY CHAFING AND PROPER ROUTING ON MLG SQUAT SWITCHES, POWER PACK SWITCHES, POWER PACK SELECTOR VALVE, LANDING GEAR HANDLE SWITCHES, POWER PACK CP SELECTOR VALVE, LANDING GEAR HANDLE. CYCLED GEAR 4 TIMES, GEAR FUNCTIONS NORMAL. REMOVE, INSPECTED AND CLEANED LANDING GEAR UP PRESSURE SWITCH. REINSTALLED AND SAFETIED. CYCLE GEAR 3 MORE TIMES, GEAR FUNCTIONS NORMAL.