He then beached her on the mainland for seven weeks to permit rudimentary repairs to her hull .
She narrowly avoided disaster after running aground on the Great Barrier Reef , and Cook had to throw her guns overboard to lighten her .
Cook then beached her on the mainland for seven weeks to permit rudimentary repairs to her hull .
She narrowly avoided disaster after running aground on the Great Barrier Reef , and Cook had to throw her guns overboard to lighten her .