As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON A ROLLING TAKEOFF NR 1 ENGINE DID NOT SPOOL UP TO FULL POWER I FIRST NOTICED A SPLIT IN N2 RPM THEN SAW N1 RPM ON NR 1 ENGINE WAS ABOUT 5 PERCENT BELOW TAKEOFF POWER. RAN FADEC CODES AND IT IS SHOWING KB ON CHANNEL B ON ALL LINES. TROUBLESHOT SQUAWK FOUND MOISTURE IN CONNECTOR, P4 ON EEC NR 1 AND MOISTURE IN CONNECTOR J22. CLEANED AND DRIED CONNECTORS AND COVERED CONNECTORS WITH F4 TAPE. FOLLOWED TROUBLESHOOTING TABLE FOC FAULT CODE KB. WORK DONE IAW P&W FAULT ISOLATION HANDBOOK 30B1409 AND P&WC MM 76-10-00.