As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 284, MCO-JFK. EPSU EXTERNAL LOAD FAULT/INTERNAL LOAD FAULT DURING OPERATIONAL TEST OF THE EMERGENCY LIGHTING SYSTEM. PERFORMED TROUBLE SHOOTING IAW TSM 33-51-00-810-807-A FOR ESPU 13WL STOPPED AT STEP 7B. REQUIRES FURTHER TROUBLE SHOOTING. REF LOG PAGE 2851620 ITEM 1.