As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - ROW 27 THRU 36 FLOOR PROXIMITY LIGHT AND ASSOCIATED AISLE AREA LIGHTS INOP REPLACED BATTERY PACK AT POWER SUPPLY M33404 PER AMM 33-51-06-960-802 OP CK OKPARTS USED: 99-3351-3-0015,QTY :1