As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EEL PATH LIGHTS INOP RT AISLE ROWS 27-34. REPLACED BATTERY AND BATTERY CHARGER ASSY AT ROW 32JK, NO HELP. HAND OVER HAND OF WIRE FROM POWER SUPPLY TO SEAT 34 CHECKS OK. THIS POWER SUPPLY IS NOT LABELED AND MAY BE DISCREPANT. REPLACED POWER SUPPLY M99080 AGAIN AND LIGHTS OP OK.