What was found
INFLIGHT ENGINE SHUT-DOWN DURING LOGGING OPERATION. NO VISIBLE DAMAGE TO INLET OF ENG OR FIRST STAGES OF COMPRESSOR. COMPR WOULD ROTATE, BUT WITH DIFFICULTY, & RUBBING NOISES. VISIBLE DMG TO EGV & NR 4 TURBINE WHEEL. PT WOULD NOT TURN. NO VISIBLE DMG TO COMPR CASES, COMB CAN OR NR 4 NOZZLE. UPON REMOVAL OF PT, DAMAGE NOTED TO NR 2 TURB WHEEL, NR 2 & NR 3 NOZZLES & NR 3 TURB WHEEL BLADES. REMOVED NR 2 AND NR 1 TURB WHEELS. NO DAMAGE FND FWD OF NR 1 NOZZLE. NO DMG TO CURL OR AIR DIFFUSER. FND DAMAGE TO L/E OF BLADES. NR 4 NOZZLES VANES HEAVILY DMG'D & METALIZED IN NR 4 & NR 3 TURB WHEEL TIP PATH AREAS. DMG TO NR 3 TURB WHEEL L/E OF BLADES. CHIP DETECTOR & BASKETS, & OIL FILTER FND FREE OF METAL. (X)