AD NUMBER: 2019-25-20

PRODUCT: All Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Model 382, 382B, 382E, 382F, and 382G airplanes, type certificated in any category; and Model C-130A, C-130B, C-130BL, C-130E, C130H, C-130H-30, C-130J, C-130J-30, EC-130Q, HC-130H, KC-130H, NC-130B, NC-130, and WC-130H airplanes, type certificated in the restricted or amateur category.

ACTION: Final rule

SUMMARY: This AD was prompted by a report indicating that two elevator booster assemblies experienced significant hydraulic fluid leaks, caused by fatigue cracks in the actuator cylinder.

This AD requires an inspection to determine the part number of the elevator booster actuator, repetitive ultrasonic inspections of the actuator to detect cracking, and replacement of cracked elevator booster assemblies.

DATES: This AD is effective February 28, 2020.

COST: The FAA estimates that this AD affects 7 airplanes of U.S. registry. Operators may incur the following costs in order to comply with this AD:

• Part number inspection: 1 work-hour × $85 per hour = $85 per airplane.
• Ultrasonic inspections: 5 work-hours × $85 per hour = $425 per inspection cycle per airplane.

Replacement (if necessary):

• Labor: 10 work-hours × $85 per hour = $850.
• Pats: $43,000.
• Cost per airplane: $43,850.

FMI: AD