As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT, THE EMERGENCY PATHWAY LIGHTING IN THE FIRST CLASS SECTION AND THE LOCATOR LIGHT OVER THE GALLEY DOOR REMAINED ILLUMINATED. AIRCRAFT RETURNED TO THE GATE AREA. MAINTENANCE REPAIRED SHORTED WIRING AT THE AIRPHONE BRACKET AT SEAT ROW 2C AND REPLACED THE POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK OK.