As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT GROUNDED) NO 1 SIDE WINDOW EXIT SING ISN'T ILLUMINATED. PERFORMED TSM 33-51-00-810-837-A. FOUND HIGH RESISTANCE AT THE L/H OVERWING EXIT SIGN GROUND WIRE. FOLLOWED GROUND WIRE TO LOOSE TERMINAL SCREW. TIGHTENED LOOSE TERMINAL SCREW IAW ESPM 20-44-52-01 AND ESPM 20-51-50-02. RESISTANCE CHECK SATISFACTORY. EXIT LIGHT SIGN OPS CHECK GOOD. ACFT OK FOR SERVICE.