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Wed, Sep 12, 2018

AD: The Boeing Company Airplanes

AD NUMBER: 2018-18-03

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

ACTION: Final Rule.

SUMMARY: This AD was prompted by several reports of cracks in a certain floor beam lower chord at door stop fitting No. 1 of the forward airstair door cutout.

This AD requires repetitive inspections for any cracks and applicable on-condition actions.

DATES: This AD is effective October 15, 2018.

COST: The FAA estimates that this AD affects 67 airplanes of U.S. registry. The cost of compliance is estimated as follows:

  • Inspection - Up to 11 work-hours × $85 per hour = $935 per inspection cycle. Parts - $0. Cost per aircraft - Up to $935 per inspection cycle.
FMI: AD

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