What was found
STL - FLT 341 - DURING CLIMB, SHUT DOWN NR 1 ENGINE, SN 1421, DUE TO COMPRESSOR STALL AND OIL QUANTITY WENT TO ZERO. FOUND TURBINE DAMAGE. REPLACED NR 1 ENGINE. ENGINE OPERATION THEN CHECKED NORMAL. ENGINE TOTAL TIME: 13,723 HOURS; 11,055 CYCLES. INVESTIGATION OF NR 1 ENGINE, SN 1421, COMPRESSOR STALL AND OIL QUANTITY DROP TO ZERO, FOUND THAT AN LPT 3 VANE WAS FITTED WITH INSUFFICIENT TILT AND CHAFED THROUGH THE REAR WALL OF THE INNER AIRSEAL AND RUBBED ON THE STAGE 3 BLADE. ENGINE S/N 1421 WAS REPAIRED AND RETURNED TO SERVICE. (X)