# Proposed AD FAA-2018-0301: Airbus Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2018-19-07
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: April 27, 2018, 83 FR 18483
- Comments due: June 11, 2018
- Became: [AD 2018-19-07](https://openairdocs.org/ad/2018-19-07)
- Docket: FAA-2018-0301 (https://www.regulations.gov/docket/FAA-2018-0301, where comments are filed)
- FR document: 2018-08653
- Official PDF: https://openairdocs.org/files/sha256/a6/eb/a6eb80217db71891cbcef812149388ce73044d62aa07b20abe053820d1c7c66e (from https://www.govinfo.gov/content/pkg/FR-2018-04-27/pdf/2018-08653.pdf)
- Federal Register: https://www.federalregister.gov/documents/2018/04/27/2018-08653/airworthiness-directives-airbus-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A1B4D9DF588B1BC38625827C004CE3EA.0001
- Page: https://openairdocs.org/proposed/FAA-2018-0301

## Summary

We propose to adopt a new airworthiness directive (AD) for all Airbus Model A300 series airplanes, Model A300 B4-600, B4-600R, and F4- 600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes), and Model A310 series airplanes. This proposed AD was prompted by a report of yellow hydraulic system failure, including both braking accumulators, due to failure of the parking brake operated valve (PBOV). This proposed AD would require replacement of a certain PBOV with a different PBOV. We are proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Apr 27, 2018: Notice of proposed rulemaking (NPRM). (first notice), FR document 2018-08653, comments due Jun 11, 2018 (https://www.federalregister.gov/documents/2018/04/27/2018-08653/airworthiness-directives-airbus-airplanes)

---
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.