As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON WEEKLY CHECK EMERG LIGHTS TEST GIVE EPSU UNIT FAULT 13WL. TROUBLESHOT PER TSM 33-51-00, FOUND EPSU & BATT FAULTY 13WL AND ROW 17L EMERG LT HARNESS FAULTY. REMOVE & REPLACED EPSU & BATT 13WL PER AMM 33-51-38, REMOVED AND REPLACED 17L SEAT HARNESS TO SIDEWALL PER 33-51-00. PERFORMED EMERG LIGHT TEST PER AMM 33-51-00-710-001 CHECK OK. OK FOR SERVICE.