What was found
CABIN EMERG LIGHT: DURING EMERGENCY LIGHT PRE-FLIGHT CHECK, FOUND THE FOLLOWING EMERGENCY LIGHTS INOP; EXIT LIGHT OVER LAV, EXIT LIGHT BELOW LAV, EXIT SIGN ON AFT BULKHEAD OVER SEAT 7, EVACUATION PATH LIGHT UNDER SEAT 8, LEFT WING INSPECTION LIGHT, AND RIGHT OVER WING ESCAPE PATH LIGHT. ONCE MAIN BATTERY POWER WAS BROUGHT ONLINE, ALL LIGHTS PREVIOUSLY MENTIONED WERE ILLUMINATED. REMOVED BURNT DIODE (DF2003) P/N: S3106-4 AND INSTALLED CUSTOMER SUPPLIED NEW DIODE, OPS CHECKED EMERGENCY LIGHTING WITHOUT MAIN BATTERY POWER & FOUND WORKS AS REQUIRED. WORK PERFORMED IAW SPM 20-30-15. ORIG SUB DATE: 1/17/2023