As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS AT FLT DECK DOOR OVERHEAD, L1 DOOR (OUTSIDE), BOTTOM SIGN ON FWD LAV WILL NOT REMAIN ON FOR 15 MINUTES. GROUNDED - YES. REMOVED & REPLACED OPS CHECK GOOD EMERGENCY LIGHT BAT AT FWD ENTRY DOOR IAW B737-700 AMM 33-51-06-960-805. REFERENCE TASK CARD: 78233008.