# Weatherly Service Bulletin 620 201/620-18001

Copy: Revision C ("Weatherly 201/620 Service Bulletin SB-201/620-18001, Revision C, dated May 21, 2018"), 20 pages: PDF https://openairdocs.org/files/sha256/81/cc/81ccf245589bcd14e77809a16f36fd0914422fb30ea5f562fd8ab4ce102eaf37; text https://openairdocs.org/service-documents/weatherly/620-201-620-18001/file/81ccf245589b.md. Rights: © Weatherly. Filed by the FAA in regulations.gov docket FAA-2018-0833; AD 2020-10-03 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Weatherly](https://openairdocs.org/service-documents/weatherly.md)
- Type: Service bulletin (Service Bulletin)
- Number: 620 201/620-18001
- Latest revision known: 620 201/620-18001, Revision C, dated May 21, 2018 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/weatherly/620-201-620-18001

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2020-10-03](https://openairdocs.org/ad/2020-10-03.md), effective Jun 15, 2020: Revision C

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/weatherly/620-201-620-18001/proposed.md).

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.