What was found
PILOT REPORTED THAT DURING FLIGHT, HEARD A NOISE FROM AFT OF THE ACFT. NOTICE AFT PAX NR 1 LT CABIN WINDOW CRACKED, DIVERTED NEAREST AIRPORT. UPON LANDING FOUND NR 1 LT PAX WINDOW CRACKED. SUSPECTED THAT FATIGUE, STRESS CRAZE WERE CONTRIBUTING FACTORS IN PROBABLE CAUSE OF CRACKED WINDOW.