Conversion of Profit into loan in LLP

Yes. 

By Retained earnings a/c

To Loan a/c

The assets=liabilities still intact

Yes. 

By Retained earnings a/c

To Loan a/c

The assets=liabilities still intact

Even acca partnership accounts does not give balance sheet treatment. however when you draw your profit, its like 

By Appropriation a/c

To Partner current account a/c

So this means, profits are dropped into your bank account already. Instead

By Appropriation a/c

To Loan account

and give a narration