# Proposed AD FAA-2004-19001: Saab Model SAAB SF340A and SAAB 340B Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2004-22-14
- Products: SAAB
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: September 3, 2004, 69 FR 53846
- Comments due: October 4, 2004
- Became: [AD 2004-22-14](https://openairdocs.org/ad/2004-22-14)
- Docket: FAA-2004-19001 (https://www.regulations.gov/docket/FAA-2004-19001, where comments are filed)
- Project: 2004-NM-98-AD
- FR document: 04-20121
- Official PDF: https://openairdocs.org/files/sha256/80/7f/807f4fd58fc176c20ba42210714cc6eb50303a2095d364116f07d7d0530d3bbb (from https://www.govinfo.gov/content/pkg/FR-2004-09-03/pdf/04-20121.pdf)
- Federal Register: https://www.federalregister.gov/documents/2004/09/03/04-20121/airworthiness-directives-saab-model-saab-sf340a-and-saab-340b-series-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/027F8D60F2EE9E0185256F0400562487.0001
- Page: https://openairdocs.org/proposed/FAA-2004-19001

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain Saab Model SAAB SF340A and SAAB 340B series airplanes. This proposed AD would require an inspection of the elevator and aileron trim-tab fittings, and related investigative/corrective actions if necessary. This proposed AD is prompted by reports of improperly installed rivets in the retainers that hold the elevator trim-tab bearings. We are proposing this AD to prevent the elevator and aileron trim-tab bearings from coming loose, which could result in excessive play in the elevator and aileron trim systems, and reduced controllability of the airplane.

## Notices in this docket

- Sep 3, 2004: Notice of proposed rulemaking (NPRM). (first notice), FR document 04-20121, comments due Oct 4, 2004 (https://www.federalregister.gov/documents/2004/09/03/04-20121/airworthiness-directives-saab-model-saab-sf340a-and-saab-340b-series-airplanes)

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