As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT AT FL300, THE F/O R1 OUTER WINDSHIELD CRACKED WITH A LOUD NOISE. DECLARED AN EMERGENCY AND DID AN EMERGENCY DESCENT TO 10,000 FT. RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED R1 WINDSHIELD.