As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACKS FOR POWER SUPPLY'S M1672; M1673; M1674 FAILED CAPACITY CHECK EMERGENCY LIGHTS INOP AND DID STAY ON.<[01] REMOVED AND REPLACED BATTERY PACKS FOR POWER SUPPLY M1672 ;M1673 ;M1674 PER B737 AMM 33-51-06-960-805. PERFORMED OPERATIONAL TEST PER B737 AMM 33-51-06-960-805. TEST PASSED.;[02] FINAL INSPECTION;. VERIFIED STEP #1.