# Proposed AD 96-NM-28-AD: Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 97-01-08
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 24, 1996, 61 FR 38407
- Comments due: September 3, 1996
- Became: [AD 97-01-08](https://openairdocs.org/ad/97-01-08)
- Docket: 96-NM-28-AD
- FR document: 96-18773
- Official PDF: https://openairdocs.org/files/sha256/05/0a/050ab50777ab60b689508a16b24aa6c64dc928676ac75627777e52a2d78a18e4 (from https://www.govinfo.gov/content/pkg/FR-1996-07-24/pdf/96-18773.pdf)
- Federal Register: https://www.federalregister.gov/documents/1996/07/24/96-18773/airworthiness-directives-fokker-model-f27-mark-100-200-300-400-500-600-and-700-series-airplanes
- Page: https://openairdocs.org/proposed/96-NM-28-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series airplanes. This proposal would require a one-time visual inspection to detect missing rivet heads or loose rivets of the applicable stringer-to-rib connections in the upper and lower wing skin, and repair, if necessary. In lieu of the one-time visual inspection or in addition to that inspection, the proposed AD also would require replacement of certain rivets with certain new rivets in all applicable rib-to-stringer connections of the upper and lower wings. This proposal is prompted by reports of missing rivet heads at the rib-to-stringer connections of the upper and lower wing skin at stringers 5 and 6. The actions specified by the proposed AD are intended to prevent reduced structural integrity of the wings that is caused by problems associated with missing and/or loose rivets.

## Notices in this docket

- Jul 24, 1996: Notice of proposed rulemaking (NPRM). (first notice), FR document 96-18773, comments due Sep 3, 1996 (https://www.federalregister.gov/documents/1996/07/24/96-18773/airworthiness-directives-fokker-model-f27-mark-100-200-300-400-500-600-and-700-series-airplanes)

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