This Sources Sought opportunity from Department Of Defense was posted on April 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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C-5 Flap Asymmetry Brake Overhaul

Closed

SS2700026Federal

Submission Closed05/25/2026, 09:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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AI Contract Overview

The U.S. Air Force is conducting market research to identify qualified sources capable of overhauling the C-5 Flap Asymmetry Brake, a critical Line Replaceable Unit (LRU) on the C-5M Galaxy aircraft, identified by NSN 1680-01-525-8920 and part numbers 5903-105K or 5903-105L. This component is essential for flight safety, automatically engaging to prevent damage to the flap and slat system during asymmetry conditions, with two units installed per aircraft. The government owns the overhaul manual but does not hold the proprietary test equipment data, and several internal components are source-controlled exclusively to the Original Equipment Manufacturer, Thomas Instruments Inc., with CAGE code 5H860. Currently, Thomas Instruments is the only qualified vendor under contract FA8525-25-C-B001, and any prospective bidder must undergo a formal source qualification process administered by the C-5 System Program Office at Robins Air Force Base, Georgia. Qualification requires demonstrating full compliance with the USAF overhaul manual 16C1-4-18-3, adherence to ISO 9001 quality standards, traceability of all materials and processes without waivers, in-house execution of at least 80% of repair work, and validation of repair and test procedures using approved or equivalent tooling. First-article testing is mandatory for vendors without recent overhaul experience on this item. The solicitation, identified as SS2700026, is open for responses until May 25, 2026, with intent to pursue Full and Open Competition among pre-qualified sources. Proposals must be submitted via email to designated government contacts and include detailed documentation on facility layout, equipment, quality plans, and technical capability. No pricing or contract value is disclosed as this is a pre-solicitation sources-sought notice, not an actual procurement. The government has not established any packaging, labeling, or invoicing requirements in this phase, and while no formal contract clauses or evaluation weights are published, success will hinge on technical compliance and demonstrated expertise in handling safety-critical, source-controlled aircraft components.

General Info

USAF seeks qualified vendors to overhaul C-5 Flap Asymmetry Brake, requiring strict compliance.

Agency

Department Of Defense → FA8538 Afsc Pzaab

NAICS

811210 - Electronic and Precision Equipment Repair and Maintenance

Place of Performance

Warner Robins, GA, USA

Set-Aside

NONE

Documents

Pre-Qualification Requirements for C-5M Flap Asymmetry Brake Repair

sources-sought

High

Sources Sought Synopsis for C-5 Flap Asymmetry Brake Overhaul FD20602700026

sources-sought

Low

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedApr 23

Sources Sought

Response DeadlineMay 25

Deadline has passed

Submission Closed

05/25/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → FA8538 Afsc Pzaab

Contacts2 people available

OfficeROBINS AFB, GA, 31098-1670, USA

Organization / AgencyDepartment Of Defense → FA8538 Afsc Pzaab

Office AddressROBINS AFB, GA, 31098-1670, USA

Contacts

Trent Miller

contact@example.gov

Alyssa Tanner

contact@example.gov

Full Description

C-5 Flap Asymmetry Brake Overhaul
NSN: 1680-01-525-8920
Part No. 5903-105K or 5903-105L

The Government is conducting market research to identify potential sources that possess the repair data, expertise, capabilities and experience to meet qualification requirements to overhaul the Flap Asymmetry Brake for the C-5 Secondary Flight Control System.

ITEM DESCRIPTION

The Flap Asymmetry Brakes are Line Replaceable Units (LRUs) on the C-5M Galaxy. These brakes are energized any time the flap asymmetry detects an out of sync condition in the Flap/Slat system. This prevents damage to the Flaps and Flap actuation system. The Flap Asymmetry Brakes are required for flight operations of the C-5 and there are 2 brakes installed per aircraft.++

Impediment to Competition:

The Government owns the overhaul manual, but does not own the data for the test equipment required for overhaul. There are also several components within the Flap Asymmetry Brake that are source controlled to the Original Equipment Manufacture (OEM), which is Thomas Instruments Inc. (CAGE: 5H860)

The RMC/RMSC code for the Flap Asymmetry Brake is R1/C. The critical application of this item requires pre-qualification of any prospective overhaul source by the Cognizant Government Engineering Activity, C-5 System Program Office, AFLCMC/WLSE, Robins AFB, Georgia. Pre-qualification will be necessary for sources other than those already approved.

Currently only one vendor, Thomas Instruments (5H860), is source qualified, as they are the Original Equipment Manufacturer (OEM) and currently overhaul the Flap Asymmetry Brake under contract FA8525-25-C-B001. As a result, any vendor who wishes to compete for this requirement must go through source qualification process which is attached to this SSS.

INTEREST

The U.S. Air Force Sustainment Center (AFSC) Contracting Office intends to compete this requirement as Full and Open Competition, to sources qualified. Interested parties may identify their interest and capability to respond to the requirement no later than 25 May 2026 by emailing:

Contracting Officer, Staceylee Johnson (contact@example.gov)
Contracting Buyer: Alyssa Tanner (contact@example.gov)
Program Manager: Trent Miller (contact@example.gov)
Andrew Hyatt, Engineer Andrew Hyatt (contact@example.gov)

QUALIFICATION REQUIREMENTS

Source Qualification Statement and minimum requirements necessary to become a qualified bidder are attached to this Sources Sought Synopsis.

DISCLAIMER

These sources sought synopsis (SSS) is for informational purposes only. This is not a request for proposal. It does not constitute a solicitation and shall not be construed as a commitment by the government. Responses in any form are not offers, and the government is under no obligation to award a contract as a result of this announcement. No funds are available to pay for preparation of responses to this announcement. Any information submitted by respondents to this technical description is strictly voluntary.