As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL PRESSURE INDICATING 156 PSI IN ALL PHASES FROM CLIMB TO SHUTDOWN AT GATE. AIRCRAFT RETURNED TO ATL AFTER T/O---EMERGENCY DECLARED. FLT 4531 DEL 156 MINS REMOVED AND REPLACED RT ENG OIL PRESSURE TRANSDUCER IAW AMM 79-31-03, LEAK AND OPS CHECK GOOD. (B)