As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT INSPECTION FOUND APROXIMATELY 1.5 INCH CRACK ON AFT UPPER CORNER OF THE LEFT HAND DV WINDOW CUTOUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED IAW AEA EO EM-53MR-1888 PT B. THE AIRCRAFT WAS RETURNED TO SERVICE.