What was found
PROPELLER UNFEATHER VALVE FAILURE. ENGINE SHUT DOWN DURING NORMAL TRAINING. ENGINE WOULD NOT RESTART BECAUSE PROPELLER WOULD NOT UNFEATHER. BROUGHT AIRCRAFT BACK TO HOME BASE SINGLE ENGINE LANDING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PROPELLER UNFEATHER VALVE FAILURE. ENGINE SHUT DOWN DURING NORMAL TRAINING. ENGINE WOULD NOT RESTART BECAUSE PROPELLER WOULD NOT UNFEATHER. BROUGHT AIRCRAFT BACK TO HOME BASE SINGLE ENGINE LANDING.