What was found
EMERGENCY LIGHT AT ROW ABC WON'T GO OFF. ACFT GROUNDED. WITH CONNECTOR D11096 DISCONNECTED, AND WIRE W3142-0216-20 DE-PINNED FROM CONNECTOR D10712, PIN 16, WIRE W3142-0216-20 HAS 25 VAC ON IT. TURNING OFF CEILING LIGHTS CAUSES VOLTAGE TO DISAPPEAR. FOUND GD3870 CORRODED. REMOVED GD3870 BLOCK, FOUND NO EVIDENCE OF CORROSION AT LOCATION. INSTALLED NEW GD3870 GROUNDING BLOCK REF SRM51-40-02. GD3870 BOND CHECKS GOOD REF SWPM20-20-00. REPLACEMENT GD3870, OPS CHECKS NORMAL REF MM33-51-03, 33-27-00, 33-22-00.