As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING, AFT OVER WING EMERGENCY LIGHT WIRE, PULLED OUT. RECEDED PIN INTO CONNECTOR IAW CRJ 900 ESPM 20-16-05. PERFORMED OPERATIONAL TEST OF EXTERIOR EMERGENCY LIGHTS IAW CRJ 900 AMM 33-51-15-710-801-A01. OPERATIONS CHECKED GOOD AT THIS TIME.