What was found
PILOT REPORTED INSTRUMENT AIR PRESSURE LOW AT IDLE ON RUN UP. ON TROUBLESHOOTING, THE MECHANIC DETERMINED THE AIR PUMP WAS NOT PRODUCING ENOUGH PRESSURE AT IDLE. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTED INSTRUMENT AIR PRESSURE LOW AT IDLE ON RUN UP. ON TROUBLESHOOTING, THE MECHANIC DETERMINED THE AIR PUMP WAS NOT PRODUCING ENOUGH PRESSURE AT IDLE. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)