What was found
PRESSURE READING LOW. VERY SLOW LEAK AT BALL STEM O-RING. RESERVOIR ASSY WAS REPLACED WITH STOCK BOTTLE. O-RING WILL BE REPLACED AT VALVES TIME OF OVERHAUL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRESSURE READING LOW. VERY SLOW LEAK AT BALL STEM O-RING. RESERVOIR ASSY WAS REPLACED WITH STOCK BOTTLE. O-RING WILL BE REPLACED AT VALVES TIME OF OVERHAUL.