As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD FLT 269 - LAS TO YYZ. WHILE AT FL 370, EXPERIENCED AN ENGINE ONE COMPRESSOR STALL. ABOUT 30 MINUTES LATER, THE NUMBER ONE ENGINE STALLED AGAIN. FLIGHT DIVERTED INTO ORD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED ENGINE ONE SOLENOID 7B. OPERATIONALLY CHECKS OK.