As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO EMERGENCY EXIT LIGHTS TURNED ON WITH SWITCH IN ARM POSITION AND CIRCUIT BREAKER A-11 TRIPPED. DURING MAINTENANCE REVISION, THE BATTERY PACK M2335 WAS DETECTED DAMAGE. BATTERY PACK WAS REPLACED IAW AMM 33-51-06, TESTED CORRECT.