What was found
FLT#525, PVD-SJU. "FUMES NOTICIED IN AFT CABIN BY FA'S VERY STRONG SMELL OF BURNT FUEL OR HYDRAULICS THE SMELL IS REDUCED AFTER PACK 2 0FF; DURING THE PROCEDURES FOLLOWED TO HANDLE THIS ODOR EVENT, THE SOURCE OF THE ODOR WAS FOUND TO BE APU, ALSO FOUND THE AIRINTAKE BOX DAMAGED. THE APU WAS PLACED ON MEL AND THE INTAKE BOX IS UNDER THE SAME MDDR#591443. REF INFO NOTICE 2017-T015L. TSM 05-50-00-810-831-1 REF LOG PAGES 4339737 AND 4339738.