As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. DURING OPERATIONAL CHECK OF S10035, FOUND EMERGENCY ESCAPE PATH LIGHTS FROM SEAT 9 TO 15, EMERGENCY EXIT INDICATOR L752 AT L2 DOOR, AND EMERGENCY EXIT INDICATOR L751 AT R2 DOOR INOPERATIVE. REMOVED AND REPLACED BATTERY PACK (AALA201703209041) AND CHARGER ASSEMBLY AT M10952 IAW AMM 33-51-07. OPERATIONAL CHECK GOOD. ALSO REFERENCE AALA201703209044