What was found
HYDR FLEXABLE LINE TO RT MLG DOOR ACTUATOR RUPTURED DURING FLIGHT. LOSS OF FLUID CAVITATED RT AND LT ENGINE DRIVE HYDR PUMPS. LINE RUPTURED IN SIDEWALL NEAR SWAGED END FITTING FOR CONNECTOR. PRESSURE IS 3000 PSI CONSTANT. NO LANDING GEAR ACTUATION WAS IN PROCESS. SUSPECT MFG DEFECT. AC MFG NOTIFIED. THIS IS FIRST INSTANCE OF THIS FOR THS AC. LT MLG DOOR HYDR LINE RUPTURED 2 MONTHS BEFORE IN THE SAME EXACT WAY AND CAUSED THE SAME DAMAGE. MFG NOTIFIED AGAIN.