What was found
NR 1 ENGINE FAILED AT 3500 FT MESSAGE ON APPROACH IN RAIN WITH NAI ON ENGINE RESTARTED AUTOMATICALLY. FOLLOWED FIM 71-00 FIGURE 114 FOR AUTO SHUTDOWN EVENT. ALSO FOLLOWED POWERPLANT ENGINEERING GUIDANCE TO ACCOMPLISH BORESCOPE / INSPECTION FOR INTERNAL DAMAGE. CHECKED NR 1 ENGINES TURBINE EXHAUST AND INLET AREA, NO TROUBLE FOUND PER FIM 71-00 FIG 114. ACCOMPLISHED INSPECTIONS OF CHIP DETECTORS, / SUPPLY AND SCAVENGE FILTERS. NO DEFECTS NOTED. PERFORMED NR 1 ENG HPC 1ST-6TH BSI INPECTION AND CHKED OK BY STK PER AMM 72-00-00. PERFORMED ENGINE IDLE RUN / AND PART POWER RUN SUCCESSFULLY. POWERPLANT ENGINEERING REVIEWED QAR DATA / WITH NO ANOMALIES NOTED. AIRCRAFT RETURNED TO SERVICE.