What was found
REMOVE VACUUM PUMP DRIVE SHAFT GEAR, OIL LEAKING INTO VACUUM PUMP, WORN SPOT ON SHAFT DAMAGED OIL SEAL CAUSING OIL LEAK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
REMOVE VACUUM PUMP DRIVE SHAFT GEAR, OIL LEAKING INTO VACUUM PUMP, WORN SPOT ON SHAFT DAMAGED OIL SEAL CAUSING OIL LEAK.