MECH Winter 2008

Page 18

Will an H-60 Fly with Two Roll-Trim Servos? By HSL-51 Public Affairs

O

perational risk management and crew resource management have been two of the most successful tools used to address the growing trend in human factors-based mishaps in aviation. While these ideas have been less emphasized in the maintenance realm, they can provide the same benefits. When a cascading chain of errors nearly leads to a mishap, it is easy to look back and see how effective use of ORM and CRM could have broken the chain much earlier. This is a case-study in how poor risk management and breakdowns in communication and situational awareness led to a maintenance error that could have caused a mishap.

For the LAMPS community, challenging maintenance evolutions at sea, with limited personnel and equipment, are the standard. Cramped hangars, pitching decks, and a small number of maintainers are not obstacles for a first-class maintenance department. We excel in difficult situations. Unfortunately, complacency becomes the No. 1 enemy when “easier� maintenance tasks are done ashore. In this case, a helicopter that had been flying in the pattern in Atsugi had a hydraulic malfunction while on deck on a short parallel taxiway used for pattern work. Recent wet weather and uneven surfaces prevented the aircraft from being towed back to the

When a cascading chain of errors nearly leads to a mishap, it is easy to look back and see how effective use of ORM and CRM could have broken the chain much earlier.

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