As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP AT SEATS 22R, 25R AFT EXIT LOCATOR SIGN IN CENTER CEILING STA 958, L2 OVERDOOR EXIT SIGN AFT RT ESCAPE SLIDE LIGHT AT STA 1000, AND AFT CEILING LIGHT AT STA 898. TROUBLESHOT TO BAD BATTERY PACK M1672. REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK ASSY M1672. OPS CHECKS GOOD REF B737 AMM 33-51.