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NO. 2 ENG CHIP DET Metal chips in No. 2 engine or engine transmission oil.
XMSN CHIP DET Metal chips in the oil of the forward, combining, or aft transmision or the aft thrust bearing.
NO. 1 ENG N1 CONT No. 1 engine N1 component has failed or the engine condition lever or N1 actuator is not
in the STOP, GND, or FLT position.
TM 1-1520-240-10
2-14-10
Table 2-14-1. Master Caution Panel Capsules 712 (Continued)
WORD SEGMENT EXPLANATION
NO. 2 ENG N1 CONT No. 2 engine N1 component has failed or the engine condition lever or N1 actuator is not
in the STOP, GND, or FLT position.
NO. 1 ENG XMSN
HOT
No. 1 engine transmission oil temperature is above about 190C.
NO. 2 XMSN HOT No. 2 engine transmission oil temperature is above about 190C.
CM INOP Countermeasure set has failed.
CM JAM Countermeasures set has detected interference from other countermeasures sets or system
is being jammed.
EAPS 1 FAIL Pressure switch within No. 1 EAPS has sensed a pressure differential of 10 psi, indicating
a partial blockage of inlet air.
EAPS 2 FAIL Pressure switch within No. 2 EAPS has sensed a pressure differential of 10 psi, indicating
a partial blockage of inlet air.
2-14-29. MASTER CAUTION Lights.
Two MASTER CAUTION lights on the instrument panels
indicate that one or more of the caution capsules have
illuminated. On the pilot instrument panel, the caution
light is above the airspeed indicator. On the copilot instrument
panel, it is above the altimeter.
Movable NVG filters are attached to the instrument panels
to the left of each light. For NVG operations, the filters
can be rotated over the two MASTER CAUTION lights
making the lights NVG compatible. After the MASTER
CAUTION has illuminated and the condition noted, the
pilots should extinguish the MASTER CAUTION light by
pressing (PUSH TO RESET) the face of the light. The
MASTER CAUTION light is then ready to indicate a subsequent
malfunction of a different system.
Once the malfunction is corrected, the affected caution
capsule will extinguish. The HEATER HOT capsule is an
exception (Refer to Section X). If either generator is
cycled OFF then ON while another caution capsule is lit,
the MASTER CAUTION light may remain illuminated after
the generator comes back on and the associated
GEN OFF capsule extinguishes. If this occurs, press to
extinguish the MASTER CAUTION light.
Figure 2-14-6. Master Caution /Advisory Panel 714A
TM 1-1520-240-10
2-14-11
2-14-30. CAUTION LT Panel.
The CAUTION LT (caution light) panel is located on the
center instrument panel (16, fig. 2-1-4). It comprises of a
BRT-DIM switch and a TEST switch.
a. BRT-DIM Switch. When the switch is placed to
BRT, the caution capsule will light to full intensity. When
moved to DIM, the caution capsules will not be as bright.
When the cockpit dome lights are on white, it is not possible
to dim the master caution panel. If the white dome
light is selected while the caution lights are operating on
DIM, the caution lights will automatically switch to BRT
mode of operation.
b. TEST Switch. When the switch is placed to
TEST, all the caution capsules on the master caution
panel and the two MASTER CAUTION lights illuminate
to faciliate checking the individual capsule lamps. When
released to OFF, the lamps in the MASTER CAUTION
lights and all the caution capsules extinguish. When the
PLT INST and CPLT INST lights rotary control switches
are active, and the VHF NAV and marker beacon VOL
switches are on, the test feature will also light all the
select legends on the MODE SELECT panel and the
MKR BCN indicator lights.
Table 2-14-2 Master Caution/Advisory Panel Capsules 714A
WORD SEGMENT EXPLANATION
ENG 1 FAIL Power turbine shaft faliure, N1 underspeed, or flameout. During engine start this caution
is illuminated if the engine fails to start.
ENG 2 FAIL Power turbine shaft faliure, N1 underspeed, or flameout. During engine start this caution
is illuminated if the engine fails to start.
FADEC 1 No. 1 PRI system hard fails.
ENG CONT PWR PTIT is within contingency power range.
FADEC 2 No. 2 PRI system hard fails.
REV 1 No. 1 REV system hard fails.
REV 2 No. 2 REV system hard fails.
ENG 1 OIL LVL Approximately 2 qt of usable oil is remaining in No. 1 engine oil tank.
EAPS 1 FAIL Pressure switch within No. 1 EAPS has sensed a pressure differential of 10 psi, indicating
a partial blockage of inlet air.
EAPS 2 FAIL Pressure switch within No. 2 EAPS has sensed a pressure differential of 10 psi, indicating
a partial blockage of inlet air.
ENG 2 OIL LVL Approximately 2 qt of usable oil is remaining in No. 2 engine oil tank.
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