What was found
SFO - EMERGENCY LIGHTS AT MID COACH CABIN DIM. REPLACED BATTERY PACK AT OVERHEAD SEAT 20D. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SFO - EMERGENCY LIGHTS AT MID COACH CABIN DIM. REPLACED BATTERY PACK AT OVERHEAD SEAT 20D. SYSTEM GROUND CHECKED NORMAL OPERATION.