The Department of Defense, specifically the Naval Air Systems Command (NAVAIR), is seeking information from qualified sources for an update to the Technical Manual NAVAIR 03-30ET-63, which supports the H-1 Program Office. The procurement aims to enhance the technical manual for the United States Marine Corps AH-1Z/UH-1Y aircraft, focusing on updates that will facilitate future readiness and maintenance, particularly concerning the Hydraulic Reservoir Filter Module Assembly. Interested parties are invited to submit a Letter of Intent and a concept summary detailing their capabilities, including partnerships with the original equipment manufacturer (OEM), Bell Textron Inc., and their access to necessary technical data. Responses must be submitted by 4:30 PM EDT on December 18, 2025, to Farhan Qazi at farhan.qazi@navy.mil, with a page limit of 25 pages for the full submission.