As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG - DIVERSION - FLT 592 - O - EN ROUTE FROM GEG TO PHX AT FL 330 CABIN PRESSURE DIFFERENTIAL OF 7.8 PSI CAPTAINS WINDSHIELD OUTER PANE SHATTERED. EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED SAFELY TO BOI. MAINTENANCE ARRIVED AT BOI FROM PHX AND REPLACED THE CAPTAINS WINDSHIELD IAW T/C R1B56001. AS A PRECAUTION THE CAPTAINS NR 1 WINDOW HEAT CONTROL UNIT WAS ALSO REPLACED. WINDOW HEAT CONTROL UNIT, PACIFIC ELECTRO, P/N: 83000-05602, S/N: 2421.