What was found
AIRCRAFT WAS GROUNDED: THIS A/C EXPERIENCED A CABIN ODOR EVEN TODAY FLT 1328 IN PIT. AN ODOR HAS BEEN DETECTED AFT CABIN BY F.A'S REPORTED TO INCREAS,E WITH APU IN USE. ***SUPPLEMENTAL ACTION SECT 4: ACCOMPLISHED JOB CARD 26L00021001 AND 26L00021002, NO EXTERNAL LEAK OF APU FOUND. ACCOMPLISHED JOB CARD 26L00021004, DECONTANMINATION COMPLETE. NO ODOR FOUND.***(CLOSED)