What was found
(CAN) DROOPING 4 PERCENT NR WHEN POWER PULLED IN WITH SLOW OR NO RECOVERY IN RPM UNTIL POWER REDUCED. AIRCRAFT HAD TO LAND BEFORE RECOVERY OF RPM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DROOPING 4 PERCENT NR WHEN POWER PULLED IN WITH SLOW OR NO RECOVERY IN RPM UNTIL POWER REDUCED. AIRCRAFT HAD TO LAND BEFORE RECOVERY OF RPM.