What was found
FLT 2186 - DCA-LGA - EMERGENCY LIGHTS - AFT EMERGENCY LIGHTS WILL NOT TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (13WL). ALSO REPLACED SEAT HARNESS 7260VC2 (801WL) FOR SEAT 18L. OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 2186 - DCA-LGA - EMERGENCY LIGHTS - AFT EMERGENCY LIGHTS WILL NOT TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (13WL). ALSO REPLACED SEAT HARNESS 7260VC2 (801WL) FOR SEAT 18L. OPERATIONAL CHECK WAS GOOD.