>The entire company was under scrutiny when one of its board member

>was allegedly charged with receiving unlawful payments from illegal

>marketers



that은 관계대명사 입니다. 다음 두 문장이 결합된것.

1. A number of reports were filed.

2. They had flaws in them.





>A number of reports that were filed had flaws in them. 에서

>ㅡthat이 어떤 의미로 쓰였는지 좀 말씀 좀 해주신다면 감사하겠습니다.





해석은 (보관된(filed) 많은 수의 보고서들은 결함을 가지고 있었다.;

in them은 해석하지 않는 것이 자연스러울 것 같습니다.