Dear [Res RC leader's name],
I want to sincerely apologize for my actions of disobeying the rule about putting a blanket inside the washing machine. I realize now that what I did was thoughtless and careless, and I deeply regret my actions.
I want to assure you that it was not intentional and that I did not mean to cause any inconvenience or damage. I take full responsibility for my mistake and I promise to be more mindful and respectful of the rules in the future.
I would like to ask for forgiveness and also kindly request not to be paid for my duties this time as a way to show my genuine remorse and dedication to following the rules in the future. I truly value the leadership and guidance you provide, and I am committed to upholding the standards set forth in the residence.
Thank you for your understanding and patience. I am truly sorry for my mistake and I hope to make amends and earn back your trust.
Sincerely,
[Your name]