What was found
AFTER T/O IFR CONDITIONS, PILOT NOTICED LT ENG UNABLE TO MAINTAIN N1 POWER & ITT WAS CLOSE TO MAX. RETURNED TO BASE. MX PERFORMED GROUND RUN & WAS ABLE TO VERIFY CONDITION ON GROUND. ENG SURGE VALVE SOLENOID PACK FOUND TO HAVE WATER CONTAMINATION. ENG REMOVED ENOUGH TO GAIN ACCESS TO SURGE VALVE, VALVE FOUND STUCK IN OPEN POSITION. REASON FOR MOISTURE NOT DETERMINED. SURGE VALVE & SURGE VALVE SOLENOID PACK REPLACED WITH SERVICEABLE OVERHAULED UNITS. ALL INNER CONNECT TUBING INSPECTED FOR CONDITION, SECURITY & CONTAMINATION, AND CLEANED. ENG REINSTALLED, RUN & CHECKED ON GROUND, FOUND NORMAL. THIS SDR WILL CONTAIN INFO FOR SURGE VALVE & AN ADDITIONAL UNIT WILL BE SUBMITTED FOR SURGE VALVE SOLENOID PACK.