# Faultprint Assessment Draft: Fannie Mae

## Status

Draft generated from the calibrated v3 operating/postmortem crosswalk and the client-output eligibility gate.

This draft is findings-only. It does not recommend actions, predict failure, assert illegality, or claim that the institution has failed.

## Corpus Position

- Institution: Fannie Mae
- Sector: Mortgage underwriting
- Client-eligible findings included: 3
- Caveated findings included: 3

## Pathology Mix

- AI Authority Acceleration: 1
- Multi-Actor Handoff Diffusion: 1
- Classification Gatekeeping: 1

## Resemblance Mix

- elevated_resemblance: 2
- moderate_resemblance: 1

## Findings

### Finding 1: Classification Gatekeeping

Condition: Automated underwriting authority

Resemblance band: elevated_resemblance

Output status: client_ready_with_caveat

Finding statement: Operating row shows elevated resemblance to known breakdown conditions, with at least one postmortem-supported pathology or companion condition.

Evidence anchor: DU is described as an automated mortgage loan underwriting system used to assess credit risk and establish eligibility for sale and delivery to Fannie Mae.

Falsification evidence: Records showing DU outputs are routinely independently reviewed and corrected before downstream reliance would downgrade exposure.

Boundary: Does not prove DU outputs are unchallengeable or harmful.

### Finding 2: Multi-Actor Handoff Diffusion

Condition: DU Validation vendor dependency

Resemblance band: elevated_resemblance

Output status: client_ready_with_caveat

Finding statement: Operating row shows elevated resemblance to known breakdown conditions, with at least one postmortem-supported pathology or companion condition.

Evidence anchor: DU Validation Service uses authorized verification report vendors and digital borrower data for assets income and employment validation.

Falsification evidence: Vendor quality reports and reconciliation logs showing low error and strong correction would downgrade exposure.

Boundary: Does not prove vendor data is inaccurate or authoritative.

### Finding 3: AI Authority Acceleration

Condition: Manual underwriting and optional validation

Resemblance band: moderate_resemblance

Output status: client_ready_with_caveat

Finding statement: Operating row shows a condition also present in postmortem libraries, but current public evidence is not enough to treat it as high exposure.

Evidence anchor: Lenders may use automated or manual underwriting; DU Validation Service is optional and borrower participation may not be required.

Falsification evidence: Operational records showing manual underwriting is discouraged or rarely available would weaken this mitigant.

Boundary: Does not prove controls are operationally strong.

## Internal Exclusions

No internal revise/hold rows were included in this report draft.

## Report Boundary

This draft is based on the reviewed corpus and the current Faultprint evidence libraries. It identifies structural conditions and evidence requirements. It is not a legal opinion, audit conclusion, compliance certification, or prediction.