As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED TO LGW WITH LOSS OF LEFT HYDRAULIC FLUID. FOUND HYD PIPE IN LEFT PYLON CHAFED THROUGH DUE TO PYLON LATCH OPENING IN FLIGHT AND CHAFING ON PIPE. THE LINE IS DETAILED IN IPC 29-11-27-02 ITEM 116 RESERVOIR RETURN LINE FROM HEAT EXCHANGER. TIME LIMITED REPAIR WITH FLEX LINE. ALSO FOUND LEFT EDP LEAKING AT BLEED POINT. EDP REPLACED.