As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ASSOCIATED WITH M1674 FAIL TO LIGHT UP<[01] REMOVED AND REPLACED BATTERY PACK M1674. PERFORMED GOOD OP CHECK OF EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1674 PER AMM 33-51-06-960-805.;[02] VERIFIED CORRECTIVE ACTION 1