As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY---------------------------------------------------------------ON CLIMB OUT AT ABOUT 20.0 TO 30.0 THOUSAND FEET, B SYSTEM HYDRAULIC ELECTRIC 1 AND ENG. 2 LOW PRESSURE LIGHTS AND FLIGHT CONTROL B LOW PRESS LIGHT ILLUMINATED. WE COMPLETED THE QRH LOSS OF SYSTEM B CHECKLIST. LANDED NORMALLY. COMPLETED BRAKE COOLING CHECKLIST. TAXIED NORMALLY TO CLOSE TO GATE THEN TOWED IN. / R&R TRAILING EDGE FLAP FLOW LIMITER PER AMM.