Engine Malfunction Indications Flashcards
1
Q
Engine High-side Failure in flight
A
All of the following conditions exist:
- TRQ is 10% or greater than other engine
- Ng is 5% or greater than other engine
- Np is matched with in 5% of other engine
- Nr is at or above 103%
2
Q
Engine low-side Failure
A
All of the following conditions exist:
- Torque is 10% below the good engine.
- Ng it’s 5% or less than the good engine
- Np is at or below 98%
- Nr is at or below 97%
3
Q
Engine Torque or TGT Spiking/fluctuations
A
Differences between engine torques is greater than 10%.
4
Q
Compressor Stall
A
Rapid increase in TGT, hang up or decrease in NG, loss of power, or change in engine noise level varying from barely audible to muffled explosions.
5
Q
Engine High-Speed Shaft Failure
A
NP is greater than an NR by more than 3% and engine torque is below 10%.