Lewis v. Boeing — Fourth Circuit affirms summary judgment for Boeing, finding no prima facie retaliation claim under ADEA

Case
Lance Lowell Lewis v. The Boeing Company
Court
United States Court of Appeals for the Fourth Circuit
Date Decided
July 10, 2026
Docket No.
24-2242
Topics
ADEA Retaliation; Summary Judgment; Protected Activity; Causation
Source
Read the full opinion

Background

Lance Lowell Lewis, a manufacturing technician in his early seventies, worked for The Boeing Company. During a 2021 Federal Aviation Administration audit, Lewis committed a process violation that was observed by auditors. Boeing suspended Lewis and conducted an investigation, which substantiated the violation.

Boeing’s Employee Corrective Action Review Board (ECARB)—a neutral decision-making body tasked with reviewing investigations and determining corrective action—reviewed the results of the investigation and Lewis’s additional performance reports. The ECARB determined that termination was warranted and Lewis was terminated.

Lewis filed suit alleging retaliation under the Age Discrimination in Employment Act (ADEA), claiming Boeing fired him not for the process violation but for filing internal complaints against his supervisor and filing a charge with the Equal Employment Opportunity Commission (EEOC). The district court granted summary judgment for Boeing, and Lewis appealed.

The Court’s Holding

The Fourth Circuit affirmed summary judgment for Boeing. Under the McDonnell Douglas burden-shifting framework, Lewis was required to establish a prima facie case of retaliation by showing: (1) he engaged in a protected activity, (2) Boeing acted adversely against him, and (3) there was a causal connection between the protected activity and the termination.

The court found Lewis failed to meet this burden. The magistrate judge correctly determined that Lewis’s internal complaints to his supervisor were not protected activities because they contained no allegation of age discrimination. While filing an EEOC charge was indisputably a protected activity, Lewis provided no evidence that the ECARB—the actual decision-maker—was aware of the EEOC charge when it made the termination decision. Lewis’s supervisor knew of the charge, but Lewis had not raised a “cat’s paw” theory (employer liability based on a biased supervisor’s influence) in the district court, so the appellate court refused to consider it for the first time on appeal.

The court also rejected Lewis’s argument that investigation reports showed the ECARB knew of his complaints. Though the reports documented tensions with his supervisor and allegations that he was “singled out,” they contained no claim of age discrimination—the essential element required to establish a protected complaint for retaliation purposes.

Key Takeaways

  • Retaliation claims under the ADEA require proof that the decision-maker was aware of the employee’s protected activity at the time of the adverse employment action.
  • Internal complaints about workplace conduct are not protected activities under the ADEA unless they allege unlawful age discrimination.
  • Arguments not raised in the district court, including “cat’s paw” liability theories, cannot be raised for the first time on appeal absent exceptional circumstances.
  • An employer’s neutral decision-making procedures (like the ECARB) may shield it from retaliation liability if the decision-maker lacked knowledge of protected activity.

Why It Matters

This decision reinforces that ADEA retaliation claims require a clear nexus between the employer’s knowledge of protected activity and the subsequent adverse action. For older workers considering retaliation claims, the opinion emphasizes the critical importance of proving the decision-maker’s actual awareness of the complaint—not merely awareness by other employees, including supervisors. The ruling also reflects the Fourth Circuit’s deference to structured, neutral review processes when they operate without access to information about protected complaints.

Employers with formal review boards or investigation committees should note that the separation between the receiving of complaints and the decision-making body reviewing terminations can effectively insulate them from retaliation liability, provided there is no evidence the decision-maker knew of the protected activity.

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