What was found
LAX - FLT 421 - EN ROUTE DFW/SNA AT START OF DESCENT FROM FL 390 WITH ENG ANTI-ICE ON, POWER WAS REDUCED AND LT ENG EXPERIENCED FLAMEOUT. ACCOMP ENG SHUTDOWN AND ATTEMPTED RESTART WITH NO SUCCESS. A/C DIVERTED TO LAX AND LANDED W/O INCIDENT. REPLACED LT ENG. ACCOMP LEAK CHECKS AND GRD ENG RUN WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. 'IP' BLEED SOLENOID VALVE FOUND TO HAVE A SEIZED PISTON RING AND THE INLET SIDE OF THE VLV EXIHIBITED SIGNS OF EXCESSIVE HEAT AND AIR LEAKED. THE SOLENOID VLV FAILED TO OPEN THE BLEED VLVS, RESULTING IN NON-RECOVERABLE COMPRESSOR STALL. ENGINE PROCESSED THROUGH SHOP FOR RETURN TO SERVICE. (M)