What was found
NR 2 ENGINE COMPRESSOR STALLING AT THRUST LEVELS ANYWHERE ABOVE IDLE. N1 FLUCTUATING 3 TO 4 PERCENT (UNSTABLE) N1 INDICATING 28 TO 33 PERCENT, N2 52 PERCENT AFTER COMPRESSOR STALL. EXIT TEMP AT 390 FUEL HEAT AND ENGINE ANTI-ICE TRIED. TROUBLESHOT SYSTEM, FOUND PRBC SOAKED WITH WATER. CLEANED (AIR), PERFORMED ENGINE RUN IAW JRH, CH 7.9, PAGE 13, NO DEFECTS NOTED.