AD/SWSA226/37 - Fuselage, Lower L.H. Cargo Area Belt Frames - Inspection and Modification

What this directive requires

This safety rule mandates that owners and operators of specific Fairchild Swearingen Metroliner aircraft must inspect and modify a structural part of the plane's cargo hold.

Who is affected

This applies to specific models of the Fairchild SA226 aircraft series:

SA226-AT models with serial numbers AT-001 to AT-074
SA226-TC models with serial numbers TC-201 to TC-419

Why this matters

Cracks can form in the metal frames on the lower left side of the cargo area—specifically where the cargo door latches click into place. If left unchecked, these cracks could compromise the aircraft's structural integrity.

What must be done

Affected aircraft must undergo inspection and modification procedures exactly as specified in Fairchild Swearingen Service Bulletin No. 53-007.

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes

AD/SWSA226/37 Fuselage, Lower L.H. Cargo Area Belt

Frames - Inspection and Modification

10/81

Applicability: All model SA226-AT with S/Nos. AT-001 to AT-074. All model SA226-TC with S/Nos. TC-201 to TC-419.

Document: Fairchild Swearingen SB No. 53-007. Compliance: As per Requirement Document.

Background: Cracks may develop in the lower left belt frames at the cargo door latch receptacles.