What was found
ABORTED TAKE OFF AFTER SMOKE APPEARED IN COCKPIT. ABORTED TAKE OFF FLT CREW NOTED THAT SMOKE WAS EMITTING FROM THE VENTILATION SYS. FOUND EXCESSIVE OIL ON APU AGB & SURROUNDING AREA. BORESCOPED APU THROUGH INTAKE, NO OIL NOTED INTERNALLY. RAN APU & NOTED OIL LEAKING AT GENERATOR PAD. R & R COALESCER SOCKS IN BOTH WATER SEPARATORS. R & R APU GENERATOR PAD SEAL & RUNNER WITH NEW. CLEANED RESIDUAL OIL FROM APU BAY. RAN APU. LEAK CHECKED GOOD. NO SMOKE NOTED IN AIRCRAFT WITH APU ONLY RUNNING. RAN THE ENVIRONMENTAL SYS FULL COLD & FULL HOT AT HIGH POWER. VERIFIED NO SMOKE PRESENT , ODOR GONE. LEAK & OPS CHECKED SATISFACTORY. PERFORMED IAW MM 21-60-00 AND GTCP36-150 MM 49-20-06.