During а rоutine аssаy test in the Quality Cоntrоl (QC) laboratory, an analyst obtains an out-of-specification (OOS) result for a finished pharmaceutical product. Believing the result may have been caused by an error during sample preparation, the analyst repeats the test multiple times. After obtaining a passing result, the analyst records only the final acceptable result in the laboratory notebook and electronic data system, while the earlier failing results are not documented or retained. Which of the following statements BEST describes the major concern related to data integrity and good analytical practice in this scenario?