What was found
(CAN)PILOT ENTERED AUTOROTATION AFTER ENGINE LOST POWER. ENGINE WAS RUNNING AFTER LANDING BUT WOULD NOT PRODUCE POWER. SUBSEQUENT INVESTIGATION REVEALED 2ND STAGE NOZZLE DIAPHRAGM CRACKED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)PILOT ENTERED AUTOROTATION AFTER ENGINE LOST POWER. ENGINE WAS RUNNING AFTER LANDING BUT WOULD NOT PRODUCE POWER. SUBSEQUENT INVESTIGATION REVEALED 2ND STAGE NOZZLE DIAPHRAGM CRACKED.