As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TESTING OF THE EMERGENCY LIGHT SYSTEM DISPLAYS LVL 1 EMER LT BAT 1 LO. DEFERRED EMERGENCY LIGHT SYS IAW MEL 33 50 4. DMP CW PLACARD INSTALLED M 805289 ASSIGNEDREPLACED EMERGENCY LIGHT BATTERY POWER SUPPLY PER AMM 33-51-01, OPERATIONAL TEST GOOD PER TASK 33-51-01-700-802. DMP 33-50-4 REVERSED THIS CLEARS M805289 EFF SOURCE REF: 33-51-10-01