What was found
AIRCRAFT WAS GROUNDED: OIL FUMES IN CABIN DURING CLIMB. FLIGHT DECLARED AN EMERGENCY AND RETURNED TO DFW, LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202202141679: ACCOMPLISHED SMOKE ODOR FUME TROUBLESHOOTING JOB CARD 26L00021001, AND APU SMOKE ODOR FUME TROUBLESHOOTING JOB CARD 26L00021002. FOUND APU OIL TRANSFER TUBE O-RING LEAKING. REPLACED O RING. CLEANED APU AIR INLET PER JOB CARD 26T31049006. CLEANED APU LOAD COMPRESSOR PER JOB CARD 26L3104909. ACCOMPLISHED ENVIRONMENT CONTROL SYSTEM DECONTAMINATION PER JOB CARD 26L00021004. NO ODORS REMAINING.** (CLOSED)