# Lycoming service documents: service bulletins

12 service documents from Lycoming that OpenAirDocs holds a copy of, by type and number, with their text.

[207 more Lycoming service documents are cited by FAA but PDFs are unavailable](https://openairdocs.org/service-documents/lycoming.md?type=service_bulletin&copy=any)

## Mandatory Service Bulletin

- [393](https://openairdocs.org/service-documents/lycoming/sb-393.md): Revision C, Nov 26, 1976 · 3 pages
- [569](https://openairdocs.org/service-documents/lycoming/sb-569.md): Revision A, Apr 11, 2006 · 1 page
- [614](https://openairdocs.org/service-documents/lycoming/sb-614.md): Revision A, Oct 10, 2014 · 24 pages
- [627](https://openairdocs.org/service-documents/lycoming/sb-627.md): Revision C, Nov 17, 2016 · 8 pages
- [630](https://openairdocs.org/service-documents/lycoming/sb-630.md): Revision B, Jun 11, 2025 · 9 pages
- [632](https://openairdocs.org/service-documents/lycoming/sb-632.md): Revision B, Aug 4, 2017 · 20 pages
- [667](https://openairdocs.org/service-documents/lycoming/sb-667.md): Revision A, Mar 12, 2026 · 12 pages

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT document_id, issuer, type_label, number, title, latest_revision, latest_revision_date, has_file
FROM 'https://openairdocs.org/data/latest/service_document.parquet'
WHERE issuer_kind <> 'authority'
  AND has_file
  AND issuer_key = 'lycoming'
  AND document_type = 'service_bulletin'
ORDER BY type_label, number
```

This list as a web page: https://openairdocs.org/service-documents/lycoming?type=service_bulletin

---
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.