[Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP] Subject: Explanation for Delay of Partial Shipment for [Order Number/Invoice Number] Dear [Recipient's Name], I hope this letter finds you in good health and high spirits. I am writing to provide you with an explanation for the delay in the partial shipment of the products ordered under [Order Number/Invoice Number]. First and foremost, I sincerely apologize for any inconvenience this delay may have caused. We deeply value your patronage and appreciate your understanding while we address this issue. The delay in the shipment occurred due to unexpected circumstances beyond our control. At the time of processing your order, our warehouse experienced an unforeseen equipment malfunction, leading to an inability to fulfill your entire order within the specified timeframe. As a result, we were only able to send a partial shipment of the products to your designated address. I understand the frustration that accompanies such delays, especially in situations where time is of the essence. Please be assured that our team is working tirelessly to rectify the situation swiftly and ensure the prompt delivery of the remaining items. To offer our apologies and alleviate any inconvenience caused, we will be refunding the cost of shipping for the partial shipment. Additionally, we will expedite the remaining items to you, and their shipment will be free of charge. We greatly value your satisfaction and would like to assure you that this incident has served as a valuable lesson for us. We are actively working to enhance our inventory management and shipping processes to prevent such occurrences in the future. Rest assured, our commitment to meeting and exceeding your expectations remains unwavering. I would like to personally thank you for your understanding and patience during this unfortunate situation. Your continued support and loyalty are highly appreciated. Should you have any further questions or concerns, please do not hesitate to contact our customer support team at [Customer Support Number] or via email at [Customer Support Email]. Thank you once again for your understanding, and we look forward to restoring your confidence in our services. Sincerely, [Your Name] [Your Title] [Company Name]