As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES IN CABIN DURING PREFLIGHT FROM LIGHT TO STRONG. APU SUPPLYING PACKS WITH STRONG TAIL WIND. DURING TAXI AND CLIMB FUMES STRONG CAUSING EYES AND NOSES TO WATER AND BURN. FUMES DISSIPATED WITH NR 2 ENGINE PNEU SUPPLY OFF. ACCOMPLISHED PACK BURN OUT AND REPLACED THE THREE COALESCER BAGS.