What was found
WHILE IN FLT, WHEN ELEC FUEL PUMP IS TURNED ON ENGINE RPM DECREASES BECAUSE OF RICH MIXTURE. GROUND CHECKS SHOWED FUEL PUMP PRESSURE TO HIGH. R2 ELEC FUEL PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FLT, WHEN ELEC FUEL PUMP IS TURNED ON ENGINE RPM DECREASES BECAUSE OF RICH MIXTURE. GROUND CHECKS SHOWED FUEL PUMP PRESSURE TO HIGH. R2 ELEC FUEL PUMP.