As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - EEL - NR 5920952 - DURING C11 CHECK THE AFT CABIN EMERGENCY LIGHTS TEST SWITCH DID NOT WORK. MAINTENANCE REMOVED AND REPLACED THE AFT CABIN EMERGENCY LIGHT TEST SWITCH IAW BOEING SWPM 20-84-14 PARA 3. OPERATIONAL CHECKS WERE GOOD IAW BOEING 757-200 AMM 33-51-07-2