What was found
ENGINE FAIL LIGHT CAME ON AT APPROX 85KT. REJECT TAKEOFF. NO OTHER INDICATIONS. LIGHT WENT OUT WHEN POWERED BACK. ON TAXI OUT DID NOTICE X ON NR 2 ENG OIL TEMP FOR A FEW SECONDS. WENT OUT-BACK TO NORMAL. FLIGHT CREW ALSO REPORTED THAT THERE WAS NOT ANY SIGNIFICANT SPLIT IN ANY OF THE ENGINE INDICATION, AND CHECKING THE DEU'S FCC'S ECU'S ON ALL THREE ENGINES SHOWED NO FAULTS. REMOVED AND REPLACED NR 1 AND NR 2 DEU. NR 1 FAILED TO BOOTUP, CAPT'S DISPLAYS ARE X'D OUT. INSTALLED ORIGINAL NR 1 DEU. SWAPPED NR 1 AND NR 3 DEU. PERFORMED RTS ON ALL THREE DEUS. PERFORMED PWR ASSUR RUNS, NO DEFECTS NOTED, ALL OIL PRESS INDICATIONS NORMAL W/NO ENG FAIL LIGHTS. OK FOR SERV.