As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVACUATION SLIDE WARNING SYSTEM LIGHT INOP. DEFERRED EVAC SLIDE WARNING LIGHT WRT MEL 52-73-01-1...REQED PARTS ON 459139.REPLACED ASPSU AND BOTH BATTERIES PER AMM 52-73-18. OPS CHECKS GOOD. BATTERY S/N 289200 IN IB POS, S/N IN OB POS. M811106 CLEARED. PLACARD REMOVED.