What was found
(CAN) DIVERSION DUE TO LT WINDSHIELD CRACKED IN FL150 FLIGHT LH 391 SCHEDULED, DIVERTED BECAUSE OF A CM 1 FRONT WINDSHIELD CRACKED IN FL 150. NO EXTERNAL IMPACT. CM 1 WINDSHIELD REMOVED IAW AMM TASK 56-11-01-000-801 REV.41 CM 1 WINDSHIELD INSTALLED IAW AMM TASK 56-11-01-400-801 REV41 UNTIL SUBTASK 56-11-01-430-003 CABIN PRESSURE LEAK TEST PERFORMED IAW TASK 56-11-01-790-001. FOUND NO LEAKS AROUND WINDOW EDGES. WINDSHIELD WIPER INSTALLED IAW AMM TASK 30-42-04-400-801. ACFT RETURNED TO SERVICE.