What was found
THE AIRCRAFT WAS GROUNDED. ODOR IN CABIN- DIRTY SOCKS ON TAKEOFF MILD ODOR DETECTED MID TO AFT CABIN. LEVEL AT 19,000 ODOR SLIGHTLY INTENSIFIED AND TO PAXS. COMPLAINED ON SINUS/EYE IRRITATION. A RESIDUE CLOGGED AIR FILTER REVEALED TO BE THE SOURCE OF THE ODOR. REPLACED AEVC FILTER PER AMM 21-26-43. ACCOMPLISHED CABIN ODOR JOB CARD 26L00021001 WITH FLIGHT CREW ASSISTANCE. NO ODORS DETECTED DURING OR AFTER ENGINE AND APU RUNS. AIRCRAFT OK FOR SERVICE.