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Thu, May 16, 2019

AD: The Boeing Company Airplanes

AD NUMBER: 2019-08-03

PRODUCT: Certain The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes.

ACTION: Final Rule.

SUMMARY: This AD was prompted by reports that frame web and frame integral inboard chord cracking is occurring on multiple airplanes in multiple locations below the passenger floor.

This AD requires repetitive detailed, general visual, and high frequency eddy current (HFEC) inspections of the section 43 lower lobe frames at certain stations; an inspection to determine if certain repairs are installed; and applicable on-condition actions.

DATES: This AD is effective June 17, 2019.

COST: The FAA estimates that this AD affects 262 airplanes of U.S. registry. Operators may incur the following costs in order to comply with this AD:

  • Inspections: Up to 84 work-hours × $85 per hour = $7,140 per inspection cycle.

The FAA has received no definitive data that would enable it to provide cost estimates for the oncondition actions specified in this AD.

FMI: AD

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