What was found
ZERO BOTTLE PRESSURE. PRESSURE RELEASE VALVE ON GAUGE INOP. PRESSURE GAUGE WAS REPLACED WHICH INCLUDED REPLACEMENT OF PRESSURE RELIEF VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ZERO BOTTLE PRESSURE. PRESSURE RELEASE VALVE ON GAUGE INOP. PRESSURE GAUGE WAS REPLACED WHICH INCLUDED REPLACEMENT OF PRESSURE RELIEF VALVE.