As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS INFLIGHT T174/13JUL RDU TO LGW - FIRST OFFICERS WINDSHIELD CRACKED AND ARCING. HEAT TURNED OFF AND LANDED BOS WITHOUT INCIDENT. REPLACED FIRST OFFICERS WINDSHIELD IN ACCORDANCE WITH MAINTENANCE MANUAL 56 11 01 4. SYSTEM GROUND CHECKED NORMAL OPERATION.