As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN FLIGHT, EMERGENCY SIGN AT ROW 11 ISLE LIGHTS, INCLUDING ROWS 4, 7 AND 10 FLICKERED INTERMITTENTLY. R & R POWER SUPPLY AND BATTERY AT PS6 IAW MM 33-51-05. GROUND RAN ACFT. CHECKED WITH PROP HEAT AND BOTH TIMERS ABOVE AND BELOW. OPS CHECKED GOOD. READY FOR SERVICE.