What was found
REF TASK CARD 05-020-01, #1 ENG HAS SCHEDULED MAINTENANCE TASK MESSAGE " ENG 1 EEC C1" WITH ASSOCIATED CORRELATED FAULT 73-43291. " COMPRESSOR DISAGREE PRESSURE (PS3) SENSOR CHANNEL A AND CHANNEL B SIGNALS DO NOT AGREE". GROUNDED - YES. PERFORMED ENG 1 PS3 BLOWOUT REF B737-9 AMM 73-21-11-160-801-G00. OPS CHECK GOOD. "COMPRESSOR DISAGREE PRESSURE (PS3) SENSOR CHANNEL A AND CHANNEL B SIGNALS DO NOT AGREE" MESSAGE SHOWS NOT ACTIVE.