Investigate a loan-servicing exception (misapplied payment, fee assessed in error, escrow miscalculation, duplicate payment), identify the root cause and the permissible remedy, and stage a validated correction plan for authorized approval and execution. Use when a loan operations or servicing specialist needs to resolve a servicing exception end to end with a controlled plan → validate → approve → execute → verify → audit workflow. This skill produces and, only AFTER explicit human approval, executes an idempotent correction with verification and rollback; it never posts, reverses, refunds, or changes a system of record without that approval.
