What was found
DEN - FLT 427 - DURING DESCENT, SHUT DOWN LEFT ENGINE DUE TO SPOOLED DOWN WITH INCREASING EGT. FOUND METAL PARTICLES IN TAILPIPE. CHANGED ENGINE, S/N 1205. ENGINE OPERATION CHECKED NORMAL. ENGINE TOTAL TIME: 21,594 HOURS; 10,979 CYCLES. OP-15 - 12-3-94 - MCI. INVESTIGATION INTO ENGINE S/N 1205 SPOOL DOWN REVEALED SEVENTH STAGE COMPRESSOR BLADE, MFG P/N 809407, FRACTURED DUE TO IMPACT CAUSING DOWNSTREAM COMPRESSOR DAMAGE. ENGINE WAS REPAIRED AND RETURNED TO SERVICE.