737-400 Low Idle Light
On my return trip to our homebase this morning i got a "LOW IDLE" light indication along with the MASTER CAUTION "ENG" indication.
We carried out the checklist that states for the A/T to be disengaged and the THRUST LEVERS to be advanced until the light is out.
Problem was that the same aircraft would be used by us on a second flight so we flipped the MEL but the only answer we could find was for the "LOW IDLE lt ".
Discussing the problem with the company engineers they suggested to do a static run up with the A/G sensor CB in and out and compare the engine idle values.
This was done the problem disappeared and we went on our next flight.
My question is...are there any restrictions concerning the "LOW IDLE" system because when i referenced the books i couldn't find any !!
Thanks !