Commonwealth legislation

AD/B737/319 - Body Buttock Line 0.07 Floor Beam

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This Airworthiness Directive requires operators of Boeing 737-300, -400 and -500 series aeroplanes (as identified in Boeing Service Bulletin 737-57-1210 Rev 2) to inspect and, if needed, repair the body buttock line (BBL) 0.07 floor beam in accordance with FAA AD 2008-04-21. (Applicability; Requirement.)

Compliance is mandatory from 5 June 2008; the financial and operational costs of inspections/repairs fall on aircraft operators, and the Civil Aviation Safety Authority enforces the directive. (Compliance; Background.)

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/B737/319 - Body Buttock Line 0.07 Floor Beam.

Boeing 737 Series Aeroplanes

AD/B737/319	Body Buttock Line 0.07 Floor Beam	6/2008

Applicability:	Model 737-300, -400, and -500 series aircraft, as identified in Boeing Service Bulletin 737-57-1210 Revision 2, or later FAA approved revision.
Requirement:	Action in accordance with the technical requirements of FAA AD 2008-04-21 Amdt 39-15393.
Compliance:	As specified in the Requirement document, with a revised effective date of5 June 2008.
	This Airworthiness Directive becomes effective on 5 June 2008.
Background:	The FAA received reports of cracking in the BBL 0.07 floor beam. Undetected cracking could result in failure of the main deck floor beams at certain body stations due to fatigue cracking, with possible rapid decompression of the aircraft.

View image in the official source
David Punshon
Delegate of the Civil Aviation Safety Authority

7 April 2008

AD/B737/319

Body Buttock Line 0.07 Floor Beam

6/2008

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

Boeing 737 Series Aeroplanes Boeing 737 Series Aeroplanes

Boeing 737 Series Aeroplanes

AD/B737/319	Body Buttock Line 0.07 Floor Beam	6/2008

Applicability:	Model 737-300, -400, and -500 series aircraft, as identified in Boeing Service Bulletin 737-57-1210 Revision 2, or later FAA approved revision.
Requirement:	Action in accordance with the technical requirements of FAA AD 2008-04-21 Amdt 39-15393.
Compliance:	As specified in the Requirement document, with a revised effective date of5 June 2008.
	This Airworthiness Directive becomes effective on 5 June 2008.
Background:	The FAA received reports of cracking in the BBL 0.07 floor beam. Undetected cracking could result in failure of the main deck floor beams at certain body stations due to fatigue cracking, with possible rapid decompression of the aircraft.

AD/B737/319 - Body Buttock Line 0.07 Floor Beam

Plain English Summary

Deep dive

Current sections

Boeing 737 Series Aeroplanes

Boeing 737 Series Aeroplanes

AD/B737/319

AD/B737/319

Body Buttock Line 0.07 Floor Beam

Body Buttock Line 0.07 Floor Beam

6/2008

6/2008

Source text

Boeing 737 Series Aeroplanes Boeing 737 Series Aeroplanes

Boeing 737 Series Aeroplanes

AD/B737/319 AD/B737/319

AD/B737/319

Body Buttock Line 0.07 Floor Beam Body Buttock Line 0.07 Floor Beam

Body Buttock Line 0.07 Floor Beam

6/2008 6/2008

6/2008