As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ESPU EMERGENCY EXT L, CIDS FAULT DURING A NR 2 SERVICE EMERGENCY LIGHT TEST. FOUND BOTH LEFT OVERWING LIGHTS FAILED. REPLACED THE LIGHT ASSEMBLY IAW AMM 33-51-15-000-001, ACCOMPLISHED IDT INSPECTION IAW GMM 09-10-05 AND AMM 33-51-38-00 -01. NO DEFECTS NOTED.