What was found
ON CLIMBOUT LOSS OF OIL PRESSURE NR 1 ENGINE ONLY OTHER ABNORMAL INDICATION WAS INCREASE IN NR 1 OIL QUANTITY TO FULL SCALE HIGH. FOLLOWED PROCEDURES SHUT ENGINE- DOWN AND RETURNED TO AIRPORT. TROUBLESHOT IAW ASM 79-30-00 SUSPECT OIL PRESSURE TRANSMITTER T583. R & R OIL PRESSURE TRANSMITTER IAW AMM 79-33-11-04, OPS CHECKED, FAILED, FOUND NR 1 ENGINE SIGNAL CONDITION BREAKER POPPED, R & R NR 1 ENGINE SIGNAL CONDITIONAL IAW AMM 79-33-31-04, ACCOMPLISHED AMM 72-00-00-06 NR 1 ENGINE GENERAL INSP STEP 11. OPS CHECKED GOOD AND NO FAULTS NOTED ON WINDMILL, ACFT OK FOR CONT SERVICE.