What was found
FLOOR EXIT LIGHTS AT DOORS 3L/R, ROW 22, ARE ILLUMINATED IN FLIGHT AND ASSOCIATED OVERHEAD EXIT DID NOT ILLUMINATE UPON LANDING GEAR EXTENSION. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLOOR EXIT LIGHTS AT DOORS 3L/R, ROW 22, ARE ILLUMINATED IN FLIGHT AND ASSOCIATED OVERHEAD EXIT DID NOT ILLUMINATE UPON LANDING GEAR EXTENSION. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT.