What was found
ECAM ADVISORY "NR 2 ENGINE OIL PSI ZERO". NO OTHER PROBLEMS, OIL QUANTITY 15 QTS, OIL TEMP 100 DEGREES. NO "LOW OIL PRESURE" OR "OIL CLOG" LIGHTS. ALL ENGINE PARAMETERS NORMAL FL 320. TAT -14 DEGREES C, SAT -44 DEGREES C. FOLLOWED QRH, NO LEFT ECAM INDICATIONS. LAX U PER PWR PLANT ENGINEERING AWAITING TRANSMITTER FOM OAK. REMOVED AND REPLACED CB FOR OIL PRESSURE SYSTEM, 14ESAS/PERFORMED SECOND GROUND RUN, PER JRH. SYSTEM OPS CHECK GOOD.