As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2669 THE CREW REPORTED THAT ON POST FLIGHT WITH BOTH ENGINES SHUTDOWN THEY NOTICED THE LEFT ENGINE HAD SMOKE COMING OUT OF EXHAUST. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE MAGNETIC CARBON SEAL OF ACCESSORY DRIVE GEARBOX LEFT ENGINE BREATHER VENT. THE LEAK CHECK WAS GOOD IAW ROLLS ROYCE MM 72-63-10. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.