As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE FLYING ON A PRACTICE, THE PILOT NOTICE OIL COMING FROM THE LT ENGINE GOVERNOR OIL SUPPLY LINE. THE ENGINE WAS FEATHERED AND THE AIRCRAFT RETURNED TO BASE. THE FORWARD 45 DEGREE FITTING ON THE OIL LINE WAS CRACKED ACROSS THE INSIDE RADIUS AT THE BEND. THE OIL SUPPLY LINE WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.