As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
2S CHECK - DURING CHECKS FOUND BROKEN WIRE AT ROW 17 LT. WIRE IDENTIFIED AS 3351-1033 BELONGING TO EMERGENCY POWER SUPPLY UNIT 13WL. REPLACED BROKEN WIRE NR 3351-1033 AT ROW 17L. SYS OPS CHECK OF AFT CABIN EMERGENCY LIGHTS CHECKED NORMAL IAW ESPM 20-53-21, 20-43-10 AMM 33-51-01 & 33-51-38.