What was found
OIL LEAKING FROM APU DRAIN AS WELL AS BLACK SMOKE OUT OF THE TAIL PIPE WHILE OPERATING. TROUBLESHOT IAW FIM 49-11-00, FOUND OIL IN THE TAIL PIPE INSPECTED CHIP DETECTORS & FOUND METAL ON RT DETECTOR. R & R THE APU ,OPS CKS GOOD IAW AMM 49-11-01-004-001, & 49-11-01-404-085. LEAK CHECKED OK.