What was found
AIRCRAFT WAS GROUNDED: FLIGHT RETURNED TO LAX ON ACCOUNT POSSIBLE COMPRESSOR STALL ON #1 ENGINE. EMERGENCY DECLARED. MAINTENANCE ACCOMPLISHED FULL ENGINE BORESCOPE INSPECTION IAW AMM 72-00-00-200-012, AMM 72-00-00-200-013, AMM 72-00-00-200-014, AMM 72-00-00-200-015, AMM 72-00-00-200-016 & AMM 72-00-00-200-017, NO DEFECTS FOUND. WHILE ACCOMPLISHING WORKCARD 26T40075003, FOUND STAGE 10 AIR SOLENOID VALVE LEAKING. REPLACED STAGE 10 AIR SOLENOID VALVE IAW AMM 75-23-52. LEAK AND OPS CHECK GOOD.