As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPS ADVANCE FAIL MESSAGE IN FLIGHT AT 9000' WENT AWAY AROUND 2000' FACT 09FEB25 14:07 PHL T/S USING FIM 32-61-00-810-806-A. VERIFIED LEGU CONNECTOR ARE FREE OF CORROTION AND INSTALLED PROPERLY. FOUND PROX SWITCH ON R/H MLG DOWNLOCK INOP R&R RH MLG DOWN LOCK #2 PROX SW IAW AMM 32-61-02. OPS CHECK GOOD. OK FOR SERVICE