California’s Department of Motor Vehicles (DMV) is considering revoking or requiring retesting for roughly 11,000 driver’s licenses after identifying “anomalies” in written test results, according to multiple reports. The issue involves applicants who received letters from the DMV indicating irregularities in their test outcomes. The reports say the DMV identified patterns in an internal review of results that raised concerns some applicants may have attempted to bypass or otherwise undermine the testing process.

The Los Angeles Times reports that affected drivers are required to retake the written exam within 30 days. Failure to complete the retest would result in losing the license, the outlet said. Other coverage describes the DMV’s findings more generally as “anomalies” detected in test records and notes that the department’s position is based on internal analysis rather than an external finding.

The reports do not provide specifics on the nature of the anomalies beyond suggesting they are unusual or inconsistent with standard testing outcomes, and they describe the matter as an official DMV action tied to test-result review.