What was found
DURING FLIGHT, LT ENGINE OIL LIGHT ILLUMINATED AND ENGINE OIL GAUGE WAS FLUCTUATING BETWEEN 25-35 PSI, ENGINE WAS NOT SHUTDOWN. DURING TROUBLESHOOTING FOUND B-SUMP AIR LINE LOOSE RESECURED AND REPLACED PACKINGS. GROUND RUN A/C, ALL CKS GOOD NO LEAKS NOTED. C/W LOSS OF OIL SPEC PRO CHIP DETER AND SEVE SCREEN, ALL CKS GOOD.