As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 4498374) HYD OVERHEAT LIGHTS BURNED OUT WITH ELECTRICAL SMELL. FOUND ARCING ON CONNECTOR D2666. R/R SYSTEM B HYD PUMP PER B737 AMM 29-11-21. CONNECTOR D2666 R/R PER WDM B737 29-11-12 & SWPM 20-61-11. OPS CKD & LEAK CKD GOOD PER B737 AMM 29-11 &AMM 29-32.