What was found
HAIRLINE CRACK APPEARED IN CRUISE ON CAPTAIN SIDE WINDSHIELD STARTED TO SPLINTER INTO MULTIPLE BRANCHES, RAN QRH & DEPRESSURIZED ACFT. CRACK WENT AWAY. EMERENCY DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. PERFORMED GVI, TACTILE, & DETAILED INSPECTION OF INNER, CENTER & OUTER PLIES OF CAPTAINS COCKPIT WINDSHIELD. IAW AMM 56-11-00-210-801-A & SRM 56-11-00-01-01. NO DEFECTS NOTED, DELAMINATION OF CRACKS NOTED. PERFORMED CABIN PRESSURIZATION IAW AMM 21-31-00-720-802-A. PRESSURIZED TO 4.5 PSIG. . REPEATED WINDSHIELD DETAILED INSPECTION WHILE PRESSIZATED. NO DEFECTS, DELAMINATION OR CRACKES NOTED. PERFORMED DETAILED INSPECTION OF CAPTAINS WINDSHIELD WITH 10X POWER MAGNIFICATION GLASS, REF AMM 56-11-00-210-801-A AND SRM PART 2 56-11-00-01-01. NO DEFECTS, DELAMINATION OR CRACKS NOTED. REFERENCE AML 1140752 FOR OPS CHECK FLIGHT RELEASE. CHECK FLIGHT PASSED NO DEFECTS. RETURNED TO SERVICE.