As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: ALL EMERGENCY LIGHTS IN CABIN AND EMERGENCY EXIT REMAINED ON WHILE EMERGENCY LIGHTS SWITCH IN COCKPIT WAS IN THE 'ARMED' POSITION. REMOVED FWD EMERGENCY POWER UNIT PN: 7450LS-00 SN:005184 AND REPLACED WITH PN:7450LS SN: 006162 AND REMOVED AFT EMERGENCY POWER UNIT PN: 7450LS-00 SN: 005148 AND REPLACED WITH PN: 7450LS-00 SN: 006501. PERFORMED WORK IAW AMM TASK 33-52-01. OPS CHECKED GOOD. WORKING AS REQUIRED. ORIG SUB DATE: 10/14/2022