As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ON L/H SIDE ISLE FROM ROW 20-24 INOP. PERFORMED T/S AND FOUND BAD POWER SUPPLY (M1197). REMOVED AND REPLACED THE POWER SUPPLY M1197 @STA 960L, PERFORMED OPS CHECK OF EMERGENCY LIGHT SYSTEM IAW WDM 33-51-15 AND B737 AMM 33-51-51 AND 33-51-02.