As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSPECTION, FOUND THE EMERGENCY LIGHTING POWER SUPPLY AT FR 23 INOPERATIVE. THE ACFT WAS REMOVED FROM SERVICE. R & R THE EMERGENCY LIGHTING POWER SUPPLY AT FR 23 IAW JIC 33-51-21, RAI 10000. THE OPS CHECKED WAS GOOD. THE ACFT WAS RETURNED TO SERVICE.