I'm certain this isn't user mistake, Considering that the recovery phrase was located in two diverse locations: backed up inside of a file on S3, and printed over a piece of paper. Standard recovery phrases use a specific list of 2048 words adhering to the BIP39 standard (Bitcoin Advancement Proposal https://bookmark-media.com/story18890184/the-5-second-trick-for-ledger-seed-phrase-bip39