As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY LIGHT OPS CHECK, CENTER ROW SEAT LIGHTS DID NOT COME ON AT SEATS 5D THRU 7D. FOUND BAD POWER SUPPLY ON THE RT SIDE OF A/C AT SEAT ROW 6KL. REMOVED AND REPLACED POWER SUPPLY UNIT PER AMM 33051-07, OPERATION CHECKS GOOD.