What was found
DURING CLIMBOUT ON FLIGHT 2802, OUT OF DTW RIGHT ENGINE OIL PRESSURE GAUGE WENT TO ZERO. DURING RETURN THE GAUGE FLICKERED BACK ON A COUPLE OF TIMES, BUT THEN WENT OUT AGAIN. RIGHT OIL TEMP WORKED FINE. MAINTENANCE ADDED 1 QUART OF OIL TO RT ENGINE, REPLACED RT ENG OIL PRESS/TEMP INDICATOR WITH SERVICABLE UNIT P/N 522794, S/N/OFF 06871426, S/N ON 05861331. FUNCTIONAL CHECKS ARE GOOD AT THIS TIME.