As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMING TASK CARD 78233001. LT AND RT AFT GALLEY AND LT AND RT ROWS 19 AND AFT EMERGENCY LIGHTS FAILED 15 MINUTE OPS TEST. GROUNDED - YES. REF TO B737-700 AMM 33-51-06 AND WDM B737-700 33-51-11 FOR WORK ACCOMPLISHED. REMOVED & REPLACED EMERGENCY BATTERY PACKS AT LT & RT POSITIONS AT STA 952, SYSTEM OPS CHECKED GOOD.