As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT LEVEL FLIGHT 340 CAPTAIN`S WINDOW CRACKED. RETURNED. WINDOW HAD ARCING AT TOP BEFORE WINDOW CRACKED. REMOVED AND REPLACED CAPT'S L1 WINDOW REF MM 56-11-01-4 AND SUPP 56-11-01-4. COMPLETED WINDOW INSTALL (SEALED AND TORQUED) AS PER MM 56-11-01-4. OPS CHECKED GOOD. ALSO REPLACED WINDOW HEAT CONTROL UNIT AS PRECAUTION IAW MM 30-41-01-4. OPS CHK GOOD.