As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1864 - CLT - FUMES/ODOR - HYDRAULIC FUME ODOR IN COCKPIT & MID TO AFT CABIN DIRTY SOCK SMELL MADE CREW LIGHT HEADED & DIZZY. FOUND GENERATOR OIL SEALS LEAKING. REMOVED AND REPLACED SEAL AND ACCOMPLISHED DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM (ENGINE AND APU). NO SMELL NOTED AT THIS TIME. WILL FURNISH PART NUMBER INFORMATION UPON RECEIPT.