As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF AND ENGINE START ODOR FROM A/C SYSTEM CAUSED SMOKE DETECTORS IN REAR TO GO OFF. ODOR DISSIPATED AFTER 15 MINUTES BUT STILL LINGERS A BIT IN CLIMB. FOUND APU OIL LINE B NUT LOOSE. TIGHTENED SAME LEAK CKS GOOD CLEANED INLET. PERFORMED PHEN SYS DUCT BURNOUT OP 5089. OK FOR SVC.