What was found
PHX-JFK - FLT 294 - AIR TURNBACK DURING TAKEOFF, CABIN AND COCKPIT HAD A STRONG OIL SMELL WITH SMOKE IN CABIN. THE NR 1 ENGINE WAS REDUCED TO IDLE FOR LANDING. THE NR 1 ENGINE OIL TEMP ROSE TO 174 DEGREES FOR 5 TO 8 SECONDS. ON GROUND THE NR 1 ENGINE OIL PRESSURE WAS 26 PSI. A/C LANDED AND RETURNED TO GATE WITHOUT FURTHER PROBLEMS. MX TROUBLESHOT PER FIM 79-34-00, PG 105 BLK 1 AND 22. OIL QUANTITY WAS 21 QTS AND HAD SMELL OF FUEL. DRAINED OIL SYSTEM AND RESERVICED. REMOVED AND REPLACED NR 1 ENGINE FCOC PER BMM 79-21-01. RAN NR 1 ENGINE, LEAK CHECK GOOD PER MM 71-00-00. CHECKED CHIP DETECTOR AFTER ENGINE RUNS, NO METAL NOTED AT THIS TIME. A/C RETURNED TO SERVICE. (W)