What was found
CREATED FROM FORWARD DISCREPANCY. PLEASE REFERENCE AML 898766 / D: L WINDOW HEAT CAUTION MESSAGE IN CRUISE. QRH PROCEDURE DID NOT CLEAR IT. / C: MEL 30-41-2 / CAT A DUE 05/02/22 / L WINDOW HEAT CAUTION MESSAGE IN CRUISE. QRH PROCEDURE DID NOT CLEAR IT. (FLIGHT 1300 - FILED CLOSED) AFTER FURTHER INVESTIGATION FOUND L/H WINDOW CRACK , REMOVED AND REPLACED L/H WINDOW UP TO INSTALLED PROCEDURE (A) STEP 9 OF AMM 56-12-01 SEE EAML 898766 FOR FURTHER INSTALLATION.