As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD LT EXIT ID SIGN INOP. BELIEVED FAULT TO BE EXIT IDENTIFIER SIGN DUE TO ALL OTHER SIGNS ILLUMINATING. R&R INOP EXIT IDENTIFIER SIGN IAW AMM 33-50-15. DID NOT FIX. TROUBLESHOT IAW WM 33-50-50. FOUND PROBLEM TO BE FAULTY EMERGENCY LIGHT POWER UNIT 2. R&R IAW AMM 33-50-01. NO FURTHER DEFECTS NOTED. OPC GOOD.