As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT L1 DOOR WARNING TEST RED LIGHT FOR SLIDE DOES NOT ILLUMINATE. DEFERRED PER MEL 52-73-01-1 NO DMP REQUIRED PLACARD INSTALLED THIS IS CREAT AT M 811146REPLACED LIGHT ASSY 70WN, NO HELP. T/S AND REPLACED AUTONOMOUS STBY PWR SUPPLY UNIT 70WN. REF 52-73-11 PB 0401 AND 52-73-18 PB 0401. ALL OPS CK GOOD. THIS CLEARS M811146. PLACARD REMOVED.