As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APP GPWS WARNING OF MODE 4A TOO LOW GEAR TOO LOW TERRAIN GEAR WAS DOWN FLAPS AT 40 DEG. GO-AROUND WAS ACCOMPLISHED AND GPWS CMPTR C/B PULLED. REPLACED R2-1 RELAY, REPLACED GPWS CMPTR, TESTS OK. REPLACED ADC CMPTR DUE TO HISTORY. PERFORMED CK OUT PER M/M 34-45-00 PARA F MODE 4, TESTS OK.