# A study on helicopter main gearbox planetary bearing fault diagnosis

> Research article (Applied Acoustics, 2017) · cited 74× · AI/ML

**Wikidata**: [openalex:W2781052394](https://www.wikidata.org/wiki/openalex:W2781052394)  
**Source**: https://4ort.xyz/entity/a-study-on-helicopter-main-gearbox-planetary-bearing-fault-diagnosis