AD NUMBER: 2018-19-18

PRODUCT: Certain Airbus SAS Model A300 B4-603, B4-620, and B4-622 airplanes; Model A300 B4-600R series airplanes; Model A300 C4-605R Variant F airplanes; and Model A300 F4-605R airplanes.

ACTION: Final Rule.

SUMMARY: This AD was prompted by reports of cracking on a certain frame (FR) angle fitting.

This AD requires, depending on airplane configuration, a modification of certain angle fitting attachment holes; repetitive inspections for cracking of certain holes of the internal lower angle fitting web, certain holes of the internal lower angle fitting horizontal splicing, the aft bottom panel, and a certain junction area; and related investigative and corrective actions if necessary.

DATES: This AD is effective November 7, 2018.

COST: The FAA estimates that this AD affects 65 airplanes of U.S. registry. The cost of compliance is estimated as follows:

• The FAA estimates that it would take about 1 work-hour per product to comply with the reporting requirement in this AD.
• The average labor rate is $85 per hour.
• Based on these figures, the estimated cost of reporting the inspection results on U.S. operators to be $5,525, or $85 per product.

FMI: AD