As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, IT WAS DETECTED THE LEFT FLIGHT COMPARTMENT WINDOW NUMBER 1 CRACKED. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING CRACKS OUT OF LIMITS IAW AMM DMC-787-A-56-11-00-03A-663A-A. THE LEFT FLIGHT COMPARTMENT WINDOW NUMBER 1 WAS REPLACED IAW AMM DMC-B787-A-56-11-01-00A-720A-A AND WINDOW HEAT CONTROL SYSTEM OPERATING TEST WAS PERFORMED IAW AMM DMC-B787-A-30-41-00-00A-320A-A, TESTED CORRECT.