What was found
DISCREPANCY: REFERENCE LP1133373 ITEM 2 AND 3, ODOR EVENT INFLIGHT INITIALLY NOTICED AT 9000 FT IN CLIMB. RAN QRH PROC AND ISOLATED WITH NR 2 PACK OFF. AFTER SPEAKING WITH AFT FLIGHT ATTENDANT ODOR DISSIPATED. LEFT NR 2 PACK OFF. AT TOP OF DESCENT THE FLIGHT ATTENDANT CALLED TO REPORT THAT THE ODOR WAS PERCEPTIBLE AGAIN. WE DID NOT NOTICE AGAIN UNTIL A LEVEL OFF AT 14000 FT IT WAS FAINT AND DID NOT REOCCUR AFTER. ODOR SMELLED LIKE OILY CRAYON. CORRECTIVE ACTION: DURING TROUBLE SHOOTING CONFIRMED ODOR COMING FROM PACK NR 2 AND PACK IS LOCKED OUT PER AMM 21-51-00-040-002-A. PLACED PACK 2 ON MEL 21-52-01F CONT 1143867 DUE DATE 10/29/18./END/