Katsugeki Shoujo Tanteidan
Japanese title: 活劇少女探偵団
Alternative titles: Girl Detective Club
Type: OVA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Nov 25, 1986
Duration: 26 min
Rating: PG-13 - Teens 13 or older
Studios: TMS Entertainment
Producers: Japan Home Video
Genres: Action, Comedy
Themes: School

Our heroine has been kidnapped and her two somewhat ditzy friends decided to save her in a war machine they found in her house. Unfortunately they have little idea of how it works so let the random destruction begin. 

(Source: AniDB)