As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TC 78233008, EMERGENCY LIGHT CK FOUND LIGHT AT 20D DIM AND ALWAYS ON. ACFT GROUNDED. GROUND MODULE GD03806 CORRODED. REPLACED GROUND MODULE IAW SRM 51-40-02. RE-TERMINATED W4142-0455-20, W4146-0072-18, AND W4146-0073-18 AND INSTALLED WIRES INTO GD 03806, REF SWPM 20-90-15. OPS TEST OF EMERGENCY LIGHTS AND CEILING LIGHTS OK REF AMM 33-51-00-710-801 & 33-20-00-710-801-001.