FNB De-meriting Client of 30yrs member against Credit Score via Experian

FNB: Having about 8 accounts with FNB [Non Credit], FNB had been De-meriting / Dropping my Portfolio via my Status Records via Experian numerous times x 10. This is Lowering my Credit Score to making Applications of Short Term or Vehicle Loan Difficult. Please can FNB clear this BAD status against my Name, PLEASE. Leedhur Singh