As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOP EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1672.<[01] REMOVED; REPLACED; AND PERFORMED A GOOD TEST AT BATTERY PACK M1672 IAW AMM 33-51-06-960-805.;[02] UPDATED PARTS INFO;[03] UPDATED PARTS INFO;[04] VERIFIED CORRECTIVE ACTION 1.