What was found
RETURN TO BLOCKS. FLT 8777. ON TAXI TO THE RUNWAY THE LT ENGINE OIL PRESSURE GAGE DROPPED TO AN INDICATION OF "0". THE LT ENGINE WAS SHUT DOWN AND THE A/C TAXIED SAFELY BACK TO THE RAMP. DISCONNECTED CONNECTORS AT THE OIL PRESSURE GAGE AND OIL PRESSURE TRANSMITTER FOR THE LT ENGINE. CLEANED CONNECTIONS AND RECONNECTED REMOVED CONNECTORS. SYSTEM CHECK AND ENGINE RUN FOUND SYSTEM OPERATION NORMAL. (A)