As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT TEST FAULTS EMERGENCY POWER SUPPLY UNIT EXIT LOAD FAULT. REPLACED LEFT EXIT BULBS. NO HELP. REPLACED LEFT EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38. NO HELP. REPLACED LEFT EXIT EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND USED ORIGINAL BATTERY. ACCOMPLISHED SATISFACTORY OPERATIONS CHECK THROUGH BITE PER AMM 33-51-00-710-001. NO FAULTS NOTED.