As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERGENCY LIGHT BATTERY PACKS FAILED CAPACITY TEST AT POSITIONS M1670; M1672; M1673; M1674; AND M1675<[01] REMOVED AND REPLACED CABIN EMERGENCY LIGHT BATTERY PACKS AT POSITIONS M1670; M1672; M1673; M1674; AND M1675 PER AMM 33-51-06 AND ENG DWG 33500005