As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A EMERGENCY LIGHTING TEST FAILED. NR 1 BATTERY PACK LOW BATTERY. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY POWER SUPPLY IAW MM 33-51-01-4 AND PERFORMED OPS TEST OF EMERGENCY LIGHT BATTERY POWER SUPPLY IAW MM 33-51-01-5. ALL TESTS PASS.