As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING SYSTEM FAIL FUNCTIONAL CHECK M1695 (REF AAR N R 1000030859). REMOVED AND INSTALLED BATTERY PACK ASSY M1695 IAW B737 AMM 33-51 -06-960-805. TEST OK FAILED FUNCTION CHECK DURING D CHECK IN RFD, SDR GENERATED. REMOVED AND INSTALLED BATTERY PACK ASSY M1695 IAW B737 AMM 33-51 -06-960-805. TEST OK.