As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPT SEAT MOUNTED EPL LIGHTS ARE INOPERATIVE FROM SEAT 27 TO 31ABC. TROUBLESHOOTING REVEALED FAILED BATTERY PACK IAW NR-200- 0034 6414883 FOR SN, PN INFO LAMPS TWO EACH. R & R IAW AMM 33-51-11. OPERATIONS CHECKED GOOD IAW AMM 33-51 -06 & 33-51-11.