Service difficulty report · Fadec · Bombdr BD1001A10

Difficulty date
September 29, 2016
Submitted
September 30, 2016
Operation
Air carrier
Aircraft
N780QS
Make and model
Bombdr BD1001A10
Aircraft serial
20568
Aircraft time
1,167 hours, 659 cycles
Part
Fadec
Condition
Malfunctioned
Location
Rt Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON THE SECOND FLIGHT OF THE DAY, DURING CLIMB OUT AT CLIMB POWER THE RIGHT ENGINE ROLLED BACK AND THE RED R ENGINE EXCEEDANCE AND CYAN R ENGINE FAULT CAS MESSAGES POSTED. THE RIGHT N2 READ 100% AND WAS RED AND THE LEFT N2 WAS LOWER. I RETARDED THE RIGHT POWER LEVER AND DETERMINED THAT THE N2S WOULD START TO DIVERGE AROUND 35-40% N1 AND BY 60% N1 THE RIGHT N2 WOULD REACH 100%, TURN RED AND ANY FURTHER POWER INCREASE CAUSED THE FADEC TO ROLL BACK THE RIGHT ENGINE.