As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK 1HAD STRONG DIRTY SOCK ODOR OM TAKE OFF & CLIMBOUT AND CRUISE. C/W ETN EM-72-034. NO OILY/SOCK SMELL NOTICED. WHILE PERFORMING ETN FOUND THE NR 1 PACK DUAL TEMP. CONTROL VALVE Y DUCT WARPED, REMOVED AND REPLACED THE Y DUCT IAW AMM 2160-01. OPS CHECK GOOD DURING ENGINE RUN UP AND AT TAKE OFF POWER. FCF FOUND SATISFACTORY