As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT NOT GROUNDED) DURING TC 33-51-00-710-003-A, EMERGENCY LIGHT BATTERY CAPACITY CHECK, TEST GIVES ""EPSU(12WL) EMER R/DEU-B(300RH6)"". / REMOVED AND REPLACED RH OVERWING EMERGENCY LIGHT ASSEMBLY IAW AMM 33-51-15-000/400-001-A. OPS CHECKS GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME. THIS CLEARS DMI #120591. INOP PLACARDS REMOVED."