# Proposed AD FAA-2013-0799: ATR-GIE Avions de Transport R gional Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2014-03-09
- Products: ATR - GIE Avions de Transport R gional
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: September 25, 2013, 78 FR 58967
- Comments due: November 12, 2013
- Became: [AD 2014-03-09](https://openairdocs.org/ad/2014-03-09)
- Docket: FAA-2013-0799 (https://www.regulations.gov/docket/FAA-2013-0799, where comments are filed)
- Project: 2012-NM-153-AD
- FR document: 2013-23315
- Official PDF: https://openairdocs.org/files/sha256/3e/26/3e26ec449f9c19550c7b3bf99d0e3cc74b48d7beeaa14b40a8b0dac439c4f6f0 (from https://www.govinfo.gov/content/pkg/FR-2013-09-25/pdf/2013-23315.pdf)
- Federal Register: https://www.federalregister.gov/documents/2013/09/25/2013-23315/airworthiness-directives-atr-gie-avions-de-transport-rgional-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1FFC16798BD9B7E086257BF1005D3C79.0001
- Page: https://openairdocs.org/proposed/FAA-2013-0799

## Summary

We propose to adopt a new airworthiness directive (AD) for certain ATR-GIE Avions de Transport R gional Model ATR42 and Model ATR72 airplanes. This proposed AD was prompted by reports of defective sealing between the nacelle lower fairing and the underwing box. This proposed AD would require a one-time general visual inspection for damaged (worn, torn, or abraded) or missing seals between the nacelle lower fairing and the underwing box of both the left-hand and right-hand engine nacelles, and replacement of the seal and/or shims if necessary. We are proposing this AD to prevent the decrease of the fire extinguishing agent efficiency, which could delay fire extinction and allow fire propagation out of the nacelle fire protected area, resulting in damage to the airplane.

## Notices in this docket

- Sep 25, 2013: Notice of proposed rulemaking (NPRM). (first notice), FR document 2013-23315, comments due Nov 12, 2013 (https://www.federalregister.gov/documents/2013/09/25/2013-23315/airworthiness-directives-atr-gie-avions-de-transport-rgional-airplanes)

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