As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REPLACEMENT OF SEATS 1AB AND 3AB SEAT EMERGENCY LAMP STRIPS, DID OP CHECK AND LT SIDE FIRST CLASS SEATS AND FLOOR EEL STRIPS DID NOT LIGHT. POSSIBLE BATTERY DEAD OR SHORTED EEL CABLE. REPLACED BATTERY POWER SUPPLY FOR LT SIDE FIRST CLASS SEAT EMERGENCY LIGHT STRIPS AND FORWARD GALLEY FLOOR MOUNTED EEL STRIPS, OP CHECKS GOOD ON GROUND CHECKS. ACCOMPLISHED INSPECTION AND OPS CHECKED NORMAL.