What was found
*SDR FILED OPEN* ON DEPARTURE WITH TAKEOFF THRUST SET, STRONG SMELL OF "DIRTY SOCKS" OBSERVED UNTIL CLIMB THRUST SELECTED PERFORMED HIGH POWER ENGINE RUN IN REF TO AMM 71-00-00-862. ONLY ABLE TO DUPLICATE SOCK SMELL WITH RH PACK ON, COULD NOT DUPLICATE SMELL WITH LH PACK ONLY, BEGAN PERFORMING AMM REF 05-51-56-202-001 AND AMM 21-00-21-102-030. WAS NOT ABLE TO FIND LEAK/ CONTAMINATION IN RH PACK OR RH ENGINE BLEED. PROBLEM NEEDS FURTHER TROUBLESHOOTING TO FIND SOURCE. ALL WORK DONE BY ETOPS AMT. DEFERRED RH AC PACK PER MEL 21-51-1-1. DMP ACOMPLISHED. PLACARDS APPLIED.