As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING BOTH ENGINES, COCKPIT AND CABIN FILLED WITH SMOKE COMING FROM OVERHEAD VENTS, VISUAL INSPECTION OF THE TAILCONE COMPARTMENT AND FOUND OIL LEAKING FROM FORWARD PACK. REMOVED AND REPLACED FAULTY FORWARD ACM IAW MM 21-51-00. OPS AND LEAK CHECK GOOD.