Yes, I'm very serious.
If this condition is detected on a helicopter it can reduce the overall reliability of the transmissions due to spark generated erosion of gears and bearings and, If the generated magnetic field is strong enough around the helicopter it can effect the operation/accuracy of the standby compasses and it could possibly effect the operation of your electronic navigation system.
One other way of checking for the presence of a strong magnetic field around the helicopter is to fly it at night and check for a glowing around the tip path plane. If you happen to be a military pilot this is a very bad condition as all your enemy has to do is shoot at the middle of the glowing ring.
What I am looking for is feedback from those of you that have made the check. After all, I could be wrong.
From a pilots perspective the helicopter has a decreased reliability and it may effect his instruments.
From a mechanics perspective he has to change trannies at a rate higher than anticipated.
And, from an operators perspective it is costing more to opwerate his fleet.
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The Cat