As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - FLT 169 - AFTER TAKEOFF, HAD STRONG ODOR IN CABIN. TURNED OFF RIGHT AIR CONDITIONING PACK AND ODOR SUBSIDED. FOUND COALESCER, MFG PN 22D10, CONTAMINATED WITH DEICER FLUID. REPLACED BOTH COALESCER ELEMENTS. AIR CONDITIONING SYSTEM OPERATION THEN CHECKED NORMAL. CHECK C-4 - 5-2-96 - MCI. (X)