As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT L SIDE WINDOW EICAS MESSAGE DISPLAYED. FINISHED REMOVAL OF L/H #2 WINDOW IAW B757 AMM 56-11-02-004-010. INSTALLED L/H #2 WINDOW IAW B757 AMM 56-11-02-404-020. OPS AND LEAK CHECK PASS. DMP REVERSED. THIS CLEARS 2823959. INSTALLATION AND OPS CK OF L2 WINDOW REF B757 MM 56-11-02 OK TO CONTINUE