What was found
AVIONICS PERSONNEL FOUND INSTRUMENT AIR PRESSURE LOW ON GROUND RUN UP. ON FURTHER INVESTIGATION FOUND VANES WORN ON PUMP. RECOMMEND PUTTING DIFFERENT TYPE OF VANES IN PUMP TO LAST LONGER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AVIONICS PERSONNEL FOUND INSTRUMENT AIR PRESSURE LOW ON GROUND RUN UP. ON FURTHER INVESTIGATION FOUND VANES WORN ON PUMP. RECOMMEND PUTTING DIFFERENT TYPE OF VANES IN PUMP TO LAST LONGER.