What was found
(AIRCRAFT NOT GROUNDED) CHEMICAL / DIRTY SOCK ODOR REPORTED ROWS 23 TO AFT GALLEY. COMPLIED WITH QRH. ODOR DISSIPATED WITH PACK 2 OFF BUT RETURNED DURING DESCENT THEN DISSIPATED AGAIN. SMOKE / ODER REPORT COMPLETED / PERFORMED LEVEL 2 IAW TASK CARD 21-000-002. CHECKS GOOD. THIS CLEARS M313 MDDR 221413. PER TC A32X-21-000-002 M313 REQUIRED TO C/W TC A32X-21-000-003 WITHIN 10 CALENDAR DAYS. TASK CARD 21-000-003 C/W M313 CREATED TO COMPLY WITH TASK CARD 05-000-011 BETWEEN 5 AND 15 CYCLES.