# Proposed AD FAA-2005-22148: Airbus Model A300 B2 and A300 B4 Series Airplanes; A300 B4-600, B4-600R, and F4-600R Series Airplanes, and C4- 605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes); and Airbus Model A310-200 and A310-300 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2005-26-16
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 22, 2005, 70 FR 48911
- Comments due: September 21, 2005
- Became: [AD 2005-26-16](https://openairdocs.org/ad/2005-26-16)
- Docket: FAA-2005-22148 (https://www.regulations.gov/docket/FAA-2005-22148, where comments are filed)
- Project: 2005-NM-033-AD
- FR document: 05-16534
- Official PDF: https://openairdocs.org/files/sha256/83/0b/830bb40ea4ef54016658e8e1dd73bf67aa56f097474a897d42aa5c629b588858 (from https://www.govinfo.gov/content/pkg/FR-2005-08-22/pdf/05-16534.pdf)
- Federal Register: https://www.federalregister.gov/documents/2005/08/22/05-16534/airworthiness-directives-airbus-model-a300-b2-and-a300-b4-series-airplanes-a300-b4-600-b4-600r-and
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AD2D3AE35CA1E35D862570650066C971.0001
- Page: https://openairdocs.org/proposed/FAA-2005-22148

## Summary

The FAA proposes to supersede an existing airworthiness directive (AD) that applies to certain Airbus model A300-600 and A310 series airplanes. The existing AD currently requires repetitive visual inspections to detect corrosion on the lower rim area of the fuselage rear pressure bulkhead; and follow-on actions, if necessary. This proposed AD would require new repetitive inspections for corrosion on the rear pressure bulkhead between stringer (STGR) 27 (right hand) and STGR27 (left hand), and related investigative/corrective actions if necessary. This proposed AD also would require sending a report of certain information to the manufacturer. The proposed AD also would add airplanes to the applicability of the existing AD. This proposed AD results from findings of severe corrosion on airplanes previously inspected in accordance with the existing AD. We are proposing this AD to detect and correct corrosion at the lower rim area of the fuselage rear pressure bulkhead, which couldresult in reduced structural integrity of the bulkhead, and consequent decompression of the cabin.

## Notices in this docket

- Aug 22, 2005: Notice of proposed rulemaking (NPRM). (first notice), FR document 05-16534, comments due Sep 21, 2005 (https://www.federalregister.gov/documents/2005/08/22/05-16534/airworthiness-directives-airbus-model-a300-b2-and-a300-b4-series-airplanes-a300-b4-600-b4-600r-and)

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