As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A SCHEDULED TEST OF EMERGENCY GENERATOR SYS, NOTED THE EMERGENCY SIGN OVER AISLE AT ROW 17 DID NOT ILLUMINATE. TROUBLESHOOTING REVEALED THE LED LIGHT HAD BEEN CROSS-CONNECTED. WIRES PROPERLY POSITIONED IAW AMM 33-51-11-04 AND OPS CHECKED GOOD. T