As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 2S CHECK, L4 & R4 DOOR POSITIONS FAILED EMERGENCY LIGHTING SYS DOOR SWITCH OPS TEST WHEN SLIDE SELECTED TO ARM. REPLACED L4 DOOR PROXIMITY SWITCH 7W1N1 IAW AMM 52-73-11 & RESEATED R4 DOOR PROXIMITY SWITCH 17W142 IAW ESPM 20-51-12. PERFORMED OPS TEST ON L4/R4 DOOR IAW AMM 52-73-00, OPS TEST GOOD.