What was found
(CAN) ATTEMPT TO START RT ENGINE AT EXTREME COLD TEMP. ENGINE BACKFIRED, STARTER ADAPTER SHAFT BRG CAGE DISINTEGRATED, SHAFT OIL SEAL BLEW.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ATTEMPT TO START RT ENGINE AT EXTREME COLD TEMP. ENGINE BACKFIRED, STARTER ADAPTER SHAFT BRG CAGE DISINTEGRATED, SHAFT OIL SEAL BLEW.