As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 0501 - SYSTEM 'B' ELECTRIC PUMP LOW PRESSURE LIGHT ILLUMINATED AT CRUISE ALT ELEC PUMP FAILED AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CENTER ELECTRIC PUMP WIRE CHAFED. INSULATED WIRE AND REPOSITIONED, RESET PUMP OPS CKS GOOD. (X)