brownnard Posted April 4, 2017 Share Posted April 4, 2017 Engine Generators 1, 2 and 4 fail acaws keeps coming up when engines are upsped to normal ground idle. Fault is intermittent and has occured on multiple attempted flights and maintenance ground engine runs. Anyone seen this before or have any input? Cheers Quote Link to comment Share on other sites More sharing options...
hehe Posted April 4, 2017 Share Posted April 4, 2017 I'm assuming you have exhausted the FI for the associated faults? What are loads on TR's? What part number generators are you using? There are two different C-130J generators. Have you recently completed any heavy maintenance or are these pilot reported from a flight? Foreign J? USAF? Quote Link to comment Share on other sites More sharing options...
BBaldwin09 Posted June 11, 2017 Share Posted June 11, 2017 Not an Avionics tech, but I have seen something similar. From memory #3 Gen powers the Main AC Bus, but when #2 tried to power the Ess AC Bus there was an issue that would cause the three Gens to individually fall as each tried to power the Ess Bus. So the thinking was a loose connection or faulty earth. Now to throw a spanner in the works, in this case it ended up being an issue with one of the Props (Can't remember which one) De-Ice Timer Units being dodgy that created a similar effect. Good luck. UPDATE: Spoke to the AvTECH on the job, the issue ended up being Deicing Eng 3 short. Quote Link to comment Share on other sites More sharing options...
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