What was found
HI ENG OIL TEMP #1, GOT INITIAL ADVISORY AT CRUISE LEVELOFF 35,000; 168C. FOLLOWED QRH ADVISORY WHICH LED TO ENG OIL HI TEMP QRH PROCEDURE. TEMPERATURE PEAKED AT 176C, SHOWED 36C TO 40C HOTTER THAN #2 ENG DURING DESCENT AT FLIGHT IDLE. EMERGENCY DECLARED, DID NOT SHUTDOWN ENGINE. DRAINED OIL TANK AND VERIFIED QUANITY. REFILLED OIL TANK IAW A300 AMM 12-13-00-00. REMOVED AND REPLACED OIL TEMP SENSOR IAW AMM 79-32-11-04 DT582. CLEANED CANNON PLUG DT 597 FOR #3 BEARING TEMP .PERFORMED ENGINE RUNS AT POWER IN REF TO JRH CHAPTER 4 TEMPS STAYED AT 100 C. OK TO CONTINUE.