What was found
SEA FLIGHT NR 2474: 14 MINUTES INTO CLIMB GOING THROUGH 19000 AT (TEMP -11 DEG C ISA +13 DEG). NR 1 OIL TEMP HIT 108 DEG C FOR ONE MINUTE. BYPASS DOORS WERE CLOSED PER CHECKLIST. AIRCRAFT WAS LEVELED AT 20,000 FT AND NR 1 OIL TEMP DECREASED UNTIL STEADY AT NR 1 79 DEC AND NR 2 AT 75 DEG. UPON LANDING, NR 1 OIL TEMP WAS 90 DEG AND NR 2 WAS 84 DEG. MAINTENANCE C/W AMM TASK 05-11-00-992-802. REMOVED AND REPLACED NR 1 OIL COOLER AIR OUTLET FLAP ACTUATOR IAW AMM 79-21-31 PG 401-409. PERFORMED OPS TEST OF THE AIR COOLED OIL COOLER FLAP DOOR ACTUATOR IAW AMM 79-21-31 PG 501-504. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.