What was found
PDIS 303 21-10 5616 25JUL19 MCI OPEN U LOGPAGES:3142593 TURNED ON #2 PACK IN CRUISE. GOT SMOKE IN COCKPIT ONLY, TURNED #2 PACK OFF SMOKE DISSIPATED. MEL 26JUL19 00:32 MCI U RELEASED FOR SERVICE PER MEL : 21-51-01-A CATEGORY : C EXPIRATION : 04AUG19 "MEL 21-51-01-A: NR 2 PACK - INOP." RAN #2 ENG PER JRH AND PERFORMED #2 PACK OPS CK PER AMM REF 21-54-03 WITH #2 ENG AIR AND APU AIR. RAN ALL THREE PACKS AND COULD NOT DUPLICATE SMOKE OR ODOR. PLACED #2 PACK ON MEL. INFO 26JUL19 01:30 MEM ***MOCC UPDATE**** PLEASE WORK IN CONJUNCTION WITH TSI: 21-54/5617.