As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C HAS NR 2 AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATE ON TAXI. A/C RETURNED TO GATE AND IT WAS DISCOVERED THAT ASSOCIATED CIRCUIT BREAKER WAS TRIPPED. FURTHER INVESTIGATION REVEALED WIRE W1134-3601-18 HAD SHORTED TO GROUND. MOC CONSULTED WITH BOEING ENGINEERING AND THE WIRE WAS TEMPORARILY REPAIRED IAW THE BOEING STANDARD WIRING PRACTICES MANUAL WITH A 10 DAY CONSTRAINT. THE WIRE IS TO BE PERMANENTLY REPAIRED THIS WEEKEND. THIS DEFECT HAS ALSO BEEN SUBMITTED TO THE BOEING FSE AS THIS IS AN IN SERVICE ISSUE.