As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A**SUPPLEMENTAL SDR** MAIN CABIN DOOR WARNING LIGHT INOP. ITEM DEFERRED PER MEL 52-73-01-1. PLACARD INSTALLEDT/S TO AUTONOMOUS STANDBY POWER SUPPLY UNIT FIN 70WN. REMOVED AND CLEANED CANNON PLUG 70WNA. REINSTALLED. OPS CK NORMAL. THIS CLEARS M760739