What was found
BOS - EMERGENCY LIGHT BATTERY PACK AT SEAT 9C INOPERATIVE. REPLACED BATTERY PACK AT SEAT 9C. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOS - EMERGENCY LIGHT BATTERY PACK AT SEAT 9C INOPERATIVE. REPLACED BATTERY PACK AT SEAT 9C. SYSTEM GROUND CHECKED NORMAL OPERATION.