What was found
CAUSTIC FUMES IN THE AIRCRAFT AFTER LANDING AND LEFT DOOR OPEN. CHECKED ENGINE FOR EVIDENCE OF OIL CONTAMINATION, NONE FOUND. RAN PACKS AND AILERON SYSTEM FOR 3 HOURS, NO CAUSTIC ODORS NOTED. CHECKED LOWER CARGO COMPTS, E/E AND FWD E/E, CHECKED FOR FUMES WITH GEAR UP HANDLE IN UP POSITION, CHECKED EXHAUST FANS, NO LEAKS OR CAUSTIC ODORS NOTED IN AIRCRAFT. ACCOMPLISHED CLEANING OF AIRCRAFT INTERIOR. THERE HAVE BEEN NO FURTHER REPORTS OF ODORS REPORTED.