As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 753 CUN-JFK, CREW DECLARED EMERGENCY AND AIRCRAFT DIVERTED TO MCO DUE TO NR 2 ENG OIL QUANTITY DECREASED STEADY INFLIGHT WAS 13.5 ON GND AND WE NOTICED AN ISSUE AT 8.IT GRADUALLY DECREASED TO 0 AT TOUCHDOWN. NO OTHER PROBLEMS WERE NOTED. OIL PRESS WAS FINE ENTIRE FLT. ALL ENG INDICATIONS WERE NORMAL.N1 & N2 MATCHED ENTIRE FLT. NR 2 OIL TEMP WAS 105 WHILE NR 1 OIL TEMP WAS 95. NR 2 OIL PRESSURE WAS 295 WHILE NR 1 WAS 245. REMOVED AND REPLACED ACOC MODULATING VALVE 4019KS IN REF TO AMM 79-21-51. ACCOMPLISHED IDLE LEAK CHECKS IN REF TO AMM 71-00-00-710-012.