Master Caution Panel Flashcards
Eng 1/2 Fail
Power turbine shaft failure, N1 underspeed, or flame out. During engine start light is illuminated if engine fails to start.
FADEC 1/2
No. 1/2 PRI system hard fails.
ENG CONT PWR
PTIT is within contingency power range.
REV 1/2
No. 1/2 REV system hard fails.
ENG 1/2 OIL LVL
Approximately 2 quarts of usable oil is remaining in No. 1/2 engine oil tank.
ENG 1/2 CHIP DETR
Metal chips in No. 1/2 engine or engine transmission oil, or transmission sump screen is bridged with conductive particles.
XMSN OIL HOT
Transmission oil temperature is more than 140*C.
XMSN CHIP DETR
Metal Chips in the oil of the forward, combining, or aft transmission, or the aft thrust bearing or conductive particles in the FWD, AFT, L COMB, or R COMB transmission sump screen.
ENG 1/2 XMSN HOT
No. 1/2 engine transmission oil temperature is above about 190*C.
XMSN OIL PRESS
Transmission main oil pressure is less than 20 psi, or less than 10 psi in the aft rotor shaft.
L/R FUEL LVL
Left/right main fuel tank has approximately 20% of fuel remaining.
XMSN AUX OIL PRESS
Less than 20 psi auxiliary oil pressure in the forward, or aft transmission, or less than 10 psi in the combining transmission.
L/R FUEL PRESS
Left/Right fuel pressure is below 10 psi.
HTR HOT
Temperature within heater is greater than 177*C.
RECT 1/2
No. 1/2 Transformer-rectifier has failed or the generator output is interrupted.
BATT SYS MALF
Battery or battery charging system has failed or the battery has exceeded the safe operating temperature.
PWR STEER
Steering control has been disabled due to system malfunction or steering limits have been exceeded.
GEN 1/2
No. 1/2 generator is inoperative or the generator switch is at OFF.
UTIL HYD HOT
Utility hydraulic flight control system fluid temperature is above about 120*C.
HYD 1/2 PRESS
No. 1/2 flight control hydraulic system pressure is below 1,800 psi.
UTIL HYD SYS PRESS
Utility hydraulic system pressure is below 1,800 psi.
AFCS 1/2
The No. 1/2 AFCS is off, failed, or DASH is reprogramming.
APU ON
The APU is up to speed and can be used.
EXT PWR
The light comes on whenever external power is connected to the bus.
FWD HOOK OPEN
The forward cargo hook has been opened either electrically or manually.
PARK BRK ON
Parking brake is on.
MID HOOK OPEN
The mid cargo hook has been opened, either hydraulically, pneumatically, or manually.
GROUND CONTACT L/R
The left/right landing gear proximity switch is activated.
AFT HOOK OPEN
The aft cargo hook has been opened either electronically or manually.
