As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 281 - EWR - ON TAKEOFF AFTER RAISING GEAR HANDLE, SYSTEM 'A' HYDRAULIC QUANTITY DROPPED TO ZERO AND PRESSURE FLUCTUATED BETWEEN 0/3000 PSI RAN APPROPRIATE CHECK LISTS AND RETURNED TO EWR. OPERATED HYDRAULIC SYSTEM AND FOUND RIGHT GEAR DOOR ACTUATOR HOUSING CRACKED, REPLACED PER MM 32-32-81 AND CHECKED GOOD. CYCLED ALL SYSTEMS AND FILLED RESERVOIR TO FULL. (M)