As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3810 -MISC/DE- DECLARED EMERGENCY AND DESCENDED DUE TO CAPTAINS L1 WINDOW OUTER PANE CRACKED. DETERMINED NOT SAFETY OF FLIGHT, RETURNED TO CRUISE ALTITUDE AND CONTINUED FLIGHT TO MSP. CORRECTIVE ACTION: MAINTENANCE REPLACED L1 WINDSHIELD AND WINDOW HEAT CONTROLLER PER B737 AMM 56-11, 30-41.