As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENG HUNG, WOULD NOT INCREASE ABOVE 45% N2, EGT WAS CLIMBING.AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. FOUND PRSOV STUCK IN MID-POSITION. REMOVED AND REPLACED PRSOV IAW AMM 36-11-09. OPS CHECK GOOD IAW AMM71-00-00. AIRCRAFT RELEASED FOR FLIGHT.