What was found
FUEL QTY BITE SHOWED FAULT CODES FOR CHANNEL 1&2 A4 B4 B8 A3 B3. PROCESSOR PREVIOUSLY REPLACED. REMOVED PROCESSOR AND CHECKED FOR PUSHED PINS, NONE NOTED. NO QTY PROCESSOR AT ORD. TROUBLESHOOT IAW MM CONFIG 1 PAGE 182A. REPLACED FQIS PROCESSOR AND QTY IND, TEST PASSED. DUE TO CHRONIC ALL MFQ INDICATORS BLANKING IN FLT REQUEST WAS MADE TO REPLACE FQIS PROCESSOR WITH A KNOWN GOOD UNIT. INSTALLED NEW FQIS PROCESSOR IAW MM. BITE CHECK IAW MM TABLE 101, CHECKS GOOD. P-36 DEFUELING VALVE C-B POPPING OUT. REPLACED DEFUELING VALVE (PN S343T003-39/ SN 464). OP CK IAW AMM. OPS CK GOOD. FOUND DEFUELING VALVE WIRE SHORTED TO SHIELD IN LT W-W. PLUG D1254 BLUE WIRE 458- 301B-20. REPAIRED IAW SWPM.