SEATTLE, WASHINGTON — Last month, Boeing registered another 37 commercial aircraft orders on its backlog, including 32 737 MAX jets and five first-generation 777 Freighter jets.

On the delivery side, the manufacturer continued stumbling to ramp up deliveries. Boeing delivered only 22 jets to customers in February, fewer than in previous months.Of the 32 737 MAX orders, 18 units belong to Air Lease, and the remaining 14 to an unidentified customer. ing Business Jets, the company says.

Boeing didn't disclose which customer or customers ordered the five 777 Freighter jets.

On the other hand, the American planemaker lost five orders in February. Los Angeles-based lessor Air Lease Corporation canceled orders for four Boeing 787-9 Dreamliners and another lessor, Aviation Capital Group scrapped its order for one 737 MAX jet.

As of the end of February, Boeing has orders for 4,375 jets in its backlog, 59 more than the previous month. The orders include 3,497 B737 MAXs, five B747-8s, 106 B767s, 357 B777s, and 410 787s.