As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK OFF FOLLOWED BY ACRID ODOR, THEN EICAS SMOKE. PLACED ON MEL 2151A. REMOVED AND REPLACED LOWER FLOW CONTROL & SHUTOFF VALVE (FCSOV) IAW AMM 21-51-02-400-801. REPLACED RT AIR PACK FLOW SENSOR IAW AMM 21-51-03/401. ALL TESTS PASS, RAN ENGINE AND PACK. NORMAL OPS & SMELL. FOUND GASPER FAN FROZEN & SUSPECT THIS IS CULPRIT OF ODOR ON LOGPAGE 7235927. RT PACK OPS CHECK GOOD.