# Proposed AD FAA-2018-0452: The Boeing Company Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2018-20-05
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: May 29, 2018, 83 FR 24433
- Comments due: July 13, 2018
- Became: [AD 2018-20-05](https://openairdocs.org/ad/2018-20-05)
- Docket: FAA-2018-0452 (https://www.regulations.gov/docket/FAA-2018-0452, where comments are filed)
- FR document: 2018-11416
- Official PDF: https://openairdocs.org/files/sha256/34/4d/344de3b3988e5353793017834ae2bf48c544d6e333557ddafcaf998a15100ed5 (from https://www.govinfo.gov/content/pkg/FR-2018-05-29/pdf/2018-11416.pdf)
- Federal Register: https://www.federalregister.gov/documents/2018/05/29/2018-11416/airworthiness-directives-the-boeing-company-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8963942F2F2D47178625829D00560D45.0001
- Page: https://openairdocs.org/proposed/FAA-2018-0452

## Summary

We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 727C, 727-100, 727-100C, 727-200, and 727-200F series airplanes. This proposed AD was prompted by the results of a fleet survey, which revealed cracking in bulkhead frame webs at a certain body station. This proposed AD would require repetitive inspections of the bulkhead frame web at a certain body station and applicable on-condition actions. We are proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- May 29, 2018: Notice of proposed rulemaking (NPRM). (first notice), FR document 2018-11416, comments due Jul 13, 2018 (https://www.federalregister.gov/documents/2018/05/29/2018-11416/airworthiness-directives-the-boeing-company-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.