The Dirty Dozen

حوادث الطيران نادراً ما تكون سببها واحد فانها عادة ما تكون نتيجة لسلسلة من الاحداث التي قد تتضمن العديد من العوامل مثل سوء الاحوال الجوية و تعطل المعدات , تعب طاقم الطائرة ,او نقص فى التدريب ومن ضم هذة السلسلة هي العوامل البشرية التي تؤدي الى اخطاء ثناء الصيانة و هي عبارة عن 12 نقطه بعنوان The Dirty Dozen




COMPLACENCY

Train yourself to expect to find a fault
NEVER sign for anything you didn’t do


DISTRACTION

Always finish the job or unfasten the connection
Mark the uncompleted work
Lock wire where possible or use Torque seal
Double inspect by another or self
When you return to the job, go back three steps
Use detailed check sheet


FATIGUE

Be aware of the symptoms and look for them in yourself and others
Plan to avoid complex tasks at the bottom of you circadian rhythm
Sleep and exercise regularly
Ask others to check your work


PRESSURE

Be sure the pressure isn’t self-induced
Communicate your concerns
Ask for extra help
Just say “NO”


STRESS

Be aware of how Stress can affect your work
Stop and look rationally at the problem
Determine a rational course of action and follow it
Take time off or at least have a short break
Discuss it with someone
Ask fellow workers to monitor your work
Exercise your body


NORMS
Always work as per the instructions or have the instructions changed
Be aware that “Norms” don’t make it right


LACK OF COMMUNICATION

Use of logbooks, worksheets etc to communicate and remove doubt
Discuss work to be done or what has been completed
Never assume anything


LACK OF KNOWLEDGE

Get training on type
Use up to date manuals
Ask a Tec. Rep. Or someone who knows


LACK OF TEAMWORK

Discuss what, who and how a job is to be done
Be sure that everyone understands and agrees


LACK OF RESOURCES

Check suspect areas at the beginning of the inspection and AOG the required parts
Order and stock anticipated parts before they are required
Know all available part sources and arrange for pooling or loaning
Maintain a standard and if in doubt, ground the aircraft


LACK OF ASSERTIVENESS

If it’s not critical, record it in the journey log book and only sign for what is serviceable.
Refuse to compromise your standards


LACK OF AWARENESS

Think of what may occur in the event of anaccident.
Check to see if your work will conflict with an existing modification or repair.
Ask others if they can see any problem with the work done