Complex sentence: Constructed of 2 decks, she was repaired in 1828; she received new wales, top side & repairs in 1830 and had repairs to damages in 1831 as well as being sheathed in copper.
Split into simpler sentences: Constructed of 2 decks, she was repaired in 1828. She received new wales, top side & repairs in 1830, and had repairs to damages in 1831 as well as being sheathed in copper.