What was found
ENGINE REPAIRED BY LUFTHANSA, FIRST FLIGHT AFTER INSTALLATION. NR 1 ENGINE STALL WHILE CLIMBING THROUGH 10,000 FEET. FLT NR GTI900/31, LUXEMBOURG-TURIN-ENGINE SHUT-DOWN. ENGINE RE-START ATTEMPT UNSUCCESSFUL. AIRCRAFT RETURNED TO LUXEMBOURG BORESCOPE HPC/HRT NORMAL, MAGNETIC PLUGS, OIL FILTERS, FUEL FILTER, INLET, EXHAUST - OK. INSPECT PT2/TT2 LINES, FUEL PUMP FP12, 3-WAY VALVE - OK. INSPECT VSV UNISON RINGS SPACERS - OK. REPLACE ENGINE VANE CONTROL, ACCOMPLISH TRIM RUN, POWER RUN - ENGINE OPS NORMAL.