What was found
THIS IS A SUPPLEMENTAL AC785(N635RW) HAD A REPEAT ISSUE FIRST EVENT WAS ON SEP 24 FLT 3887 - 2ND EVENT SEP 25 FLT 4073 CLIMBING THRU FL 280 BLEED OVERPRESS , RAN QRH REMAINED ANNUCIATED AFTER DESCENDING TO 16000 MSL.DECLARED EMERGENCY-C/A-PERFORMED WIRING TEST IAW WM 36-11-50 SHEET 1 AND SWPM 20-64-00 FOUND INTERMITTENT GROUND CONNECTION AT RELAY K0507 PIN C2 TO GS0947 INSPECTION FOUND GROUND STUD LOOSE CLEANED AND SECURED GROUND POINT GS0947 IAW AMM 20-13-21 AND PERFORMED WIRING TEST FOUND ALL CONECTION GOOD. INSTALLED NEW RELAY K0507 IAW SWPM 20-32-01.