# Proposed AD FAA-2017-0709: Airbus Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2017-25-01
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 25, 2017, 82 FR 34453
- Comments due: September 8, 2017
- Became: [AD 2017-25-01](https://openairdocs.org/ad/2017-25-01)
- Docket: FAA-2017-0709 (https://www.regulations.gov/docket/FAA-2017-0709, where comments are filed)
- Project: 2016-NM-200-AD
- FR document: 2017-15481
- Official PDF: https://openairdocs.org/files/sha256/08/9c/089cc037cb063a6c7fd3293103f9b77df6f20fcffb0a60daf61a985590d26011 (from https://www.govinfo.gov/content/pkg/FR-2017-07-25/pdf/2017-15481.pdf)
- Federal Register: https://www.federalregister.gov/documents/2017/07/25/2017-15481/airworthiness-directives-airbus-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/36D1D9853430677786258168004A8154.0001
- Page: https://openairdocs.org/proposed/FAA-2017-0709

## Summary

We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A318 series airplanes; Model A319 series airplanes; and Model A320-211, -212, -214, -216, -231, -232, and -233 airplanes. This proposed AD was prompted by a report indicating that the lower rib foot angle of the center wing box did not match with the bottom skin panel inner surface. This proposed AD would require repetitive inspections for cracking of the external bottom skin in certain areas on the left and right wings, and corrective actions if necessary. This proposed AD also provides an optional terminating modification for the repetitive inspections. We are proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Jul 25, 2017: Notice of proposed rulemaking (NPRM). (first notice), FR document 2017-15481, comments due Sep 8, 2017 (https://www.federalregister.gov/documents/2017/07/25/2017-15481/airworthiness-directives-airbus-airplanes)

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