DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

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certain publication listed in the AD as of [inse-rt date 35 days after date of publication in

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The Director of the Federal Register approved the incorporation by reference of' I\OIITING,n,we

fuselage skin panels at the chem-milled steps, which could result in sudden fracture and

oxygel1ll1asks. We are issuing this AD to detect and correct fatigue cracking of the

DATES: This AD is effective [insert date 35 days after date of publication in the

RIN 2120-AA64

an alternate airport due to cabin depressrnization and subsequent deployment of the

ACTION: Final rule.

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Airworthiness Directives; The Boeing Company Model 737-300, -400, and -500 Series If /"1/ 01'

Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

stringer S-l and 8-2 left, between STA 827 and ST A 847 on an airplane that diverted to

faihHe of tile fuselage skin panels, and consequent rapid decompression oftlle airplane.

SU.NlM.ARY: We are adopting a new airworthiness directive (AD) for certain Boeing

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Model 737-300, -400, and -500 series airplanes. This AD requires repetitive external non ~-f]OI61

destructive inspections to detect cracks in the fuselage skin along the chem-mill step at ~i(/l( G'!

stringers 8-1 and 3-2 right, between station (STA) 827 and STA 847, and repair if _ 100

necessary. This AD results from a report of a hole in the fuselage skin common to
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DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

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SUMMARY: We are adopting a new airworthiness directive (AD) for ccrtainl~ "\

DATES: Tbis AD is effective [insert date 35 days after date of publication in the

FEDERAL REGISTER].

The Director of the Federal Register approved the incorporation by reference of

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

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RIN 2120·AA64

Ainvorthiness Directives; The Boeing Company Model 737-300, -400, and -500 Series

Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

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SUMMARY: We are adopting a new airworthiness directive (AD) for certain The

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repetitive external non-destructive inspections to detect cracks in the fuselage skin along NITIAl.SISIG

the chern-mill step at stringers S-] and S-2 right, between station (STA) 827 and STA ~€u'" l"4i,ftt-e

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common to stringer 8-1 and 8-2 left, between STA 827 and STA 847 on an airplane that UfIW.SJ IG

diverted to an alternate airport due to cabin depressurization and subsequent deployment } r

of the oxygen masks. We are issuing this AD to detect and correct fatigue cracking ofth -I b"'O?

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failure of the fuselage skin panels, and consequent rapid decompression of the airplane.

DATES: This AD is etfective [insert date 35 days after date of publication in the

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The Director of the Federal Register approved the incorporation by reference of

certain publication listed in the AD as of [insert date 35 days after date of publication in

the FEDERAL REGISTER].

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