What was found
ON ROTATION NR 2 ENGINE COMPRESSOR STALLED 3 TIMES. REDUCED POWER, ENGINE STABILIZED. FURTHER ADVANCEMENT OF NR 2 THROTTLE SHOWED ALL PARAMETERS NORMAL. PERFORMED VISUAL INSPECTION AND GROUND OPERATIONAL RUN. ALL ENGINE PARAMETERS WITHIN LIMITS. NO DEFECTS NOTED IAW MM 71-00. BOROSCOPED TURBINE STAGE 1 & 2 BLADES & VANES IAW PRATT & WHITNEY MM 72-50-00. NO DEFECTS NOTED. BOROSCOPED HPC STAGES 6 & 7 IAW PRATT & WHITNEY MM 72-30-00. NO DEFECTS NOTED. INSPECTED CHIP DETECTORS IAW PRATT & WHITNEY MM 72-00-00. NO DEFECTS NOTED.