As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L391 EMERGENCY WING RT SIDE GND ILLUMINATION LIGHT IAW WDM 33-51-21 FOUND INOPERATIVE DURING TROUBLESHOOTING OF R1 DOOR SLIDE LIGHT. R & R LAMP L391 IAW WDM 33-51-21 & OPERATIONS CHECKED OK IAW AMM 33-51-06. REPORTING AS SDR REQUIRED DUE TO 14 CFR121.703.