As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS AT DOME LIGHT IN COCKPIT AND AISLE LIGHT AFT OF COCKPIT DOOR FAILS TO ILLUMINATE. FOUND BAD POWER SUPPLY M1675. REPLACED SAME IAW B737 800 AMM 33 51 06 960 806. OPS NML. C/B'S OPENED AND TAGGED AT P18 3 A10 A11 B10. THEN TAGS RMVD AND C/B'S SET AS NOTED ABOVE.