2010-18-52: Cracks in the lower main rotor hub
Emergency order 2010-18-52 is an airworthiness directive. The FAA's subject line: Cracks in the lower main rotor hub. It names Md Helicopters Inc MD 900: about 11 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: rotorcraft systems.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- MD Helicopters, Inc.
- Models
- MD900
- On this site
- Md Helicopters Inc MD 900 11 registered
Dates and paperwork
- Docket
- Unknown
- Replaced by
- 2011-14-05
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
Related safety bulletins advice on the same designs, not orders
2007-11-14SW-08-05 · MD900 Main Rotor Blade Retention Bolt Check
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 7, 2026. Connections as data: /graph/directive/2010-18-52.json · aircraft systems.