What was found
FLT 839, JFK-BQN, PASSING 10000FT WE BOTH SMELLED OIL. COMPLIED WITH THE PROCEDURE AND AFTER 3 MINS, TURNED ON THE NR 1 PACK AND OODR CAME BACK. MUSTY ACID ODOR. COMPLIED WITH INFO NOTICE 2017-T015 STEPS 1 & 2 INDENTIFIED ODOR AS A TYPE 5. NO 30 DAY HISTORY. NR 1 PACK WILL BE PLACED ON MEL REF LOG PAGE 4480585 ITEM # 1. ACFT OK FOR SERVICE.