This interim report presents the results of our self-initiated audit of mail delivery, customer service, and property conditions at the Marshallton Branch in Wilmington, DE. The Marshallton Branch is in the Delaware-Pennsylvania 2 District of the Atlantic Area and services ZIP Code 19808. This ZIP Code serves about 38,296 people and is considered to be an urban area. This delivery unit has 33 city routes. We selected the Wilmington, DE area based on Congressional interest in Delaware and concerns raised during a recent House Oversight and Reform Committee hearing. We judgmentally selected the Marshallton Branch based on the number of Stop‑the-Clock scans occurring at the delivery unit, rather than at the customer’s point of delivery, and indicators for undelivered mail.