As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT JFK-MAD DIVERTED TO BOS ON ACCOUNT OF L1 WINDOW CRACKED. CREW DECLARED PAN PAN STATUS WITH ATC. AIRCRAFT WAS NOT OVERWEIGHT. FLIGHT LANDED WITHOUT ISSUE AND TAXIED TO THE GATE UNDER ITS OWN POWER. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)