As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - AFT EXIT SIGN INOP 9 AND 10, FLOOR PROXIMITY LIGHTS INOP AFT RIGHT HAND EXIT LIGHT INOP. BATTERY AND POWER SUPPLY 7LK REPLACED. DAMAGED PIN FOUND ON REMOVED UNIT AND AIRCRAFT CONNECTOR. LIGHTS OPS CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE.