What was found
NEEDLE ON BOTTLE ON LOW SIDE OF GREEN BAND. VERY SLOW LEAK AROUND GAUGE ADAPTER FITTING. REMOVED & REPLACED GAUGE ADAPTER O-RING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NEEDLE ON BOTTLE ON LOW SIDE OF GREEN BAND. VERY SLOW LEAK AROUND GAUGE ADAPTER FITTING. REMOVED & REPLACED GAUGE ADAPTER O-RING.