EP Symptoms, Titles, and Landing Criteria

Question 1

1) Repeated illumination of pilot and copilot flashing Master WARNING light without a WCA Panel warning light illuminated

Answer 1

Unassociated Master Warning Light

-Abort Mission

Question 2

1) Loss of XMSN lubrication OR illumination opf a GB CHIP warning light with an MGB CHIP annunciation on the VEMD CAUTION/FUEL page in conjunction with any of the following:
- Yaw kicks
- Abnormal transmission noises
- Unusually high power requirements

2) Loss of XMSN lubrication AND illumination of a GB CHIP warning light with an MGB CHIP annunciation on the VEMD CAUTION/FUEL page.

Answer 2

Main Gearbox Failure Imminent

-Land/Ditch immediately (power on)

Question 3

Any ONE of the following conditions constitutes an indication of a single malfunction. Several symptoms may be evident in a single malfunction. A loss of MGB oil pressure may precede a complete loss of MGB lubrication, and will be indicated by the following:

• MGB PRESS warning light
• Low XMSN oil pressure

A complete loss of MGB lubrication will be indicated by the following:

• XMSN oil [pressure at zero
• MGB PMP MAIN caution light
• MGB PMP AUX caution light
• MGB PRESS warning light

Possible:
- Abnormal rise in MGB oil temperature

Any ONE of the following:

1) Loss of MGB Oil Pressure and/or a complete loss of MGB lubrication
2) GB CHIP warning light illuminated with an MGB CHIP annunciation on the VEMD CAUTION/FUEL page
3) Abnormal transmission noises

Answer 3

Main Gearbox Malfunction

-Land as soon as practicable

Question 4

1) Illumination of MGB PMP MAIN caution light
2) Decrease in XMSN oil pressure
3) Increase in XMSN oil temperature

Answer 4

Main Gearbox Pump Main Element Failure

-Land as soon as practicable

Question 5

1) Illumination of MGB PMP AUX caution light

Answer 5

Main Gearbox Pump Auxiliary Element Failure

-Abort mission

Question 6

Any ONE of the following conditions:

1) MGB PRESS warning light illuminated
2) XMSN oil pressure in red or zero (may be accompanied by MGB exceedance in CDU due to shared transducer)
3) OIL TEMP warning light illuminated
4) XMSN oil temperature in red or zero

Answer 6

Main Gearbox Indicating System Failure

-Abort mission

Question 7

1) OIL TEMP warning light illuminated

2) Abnormal rise in MGB oil temperature

Answer 7

Main Gearbox Overtemp

• Land as soon as practicable

Question 8

1) Transmission oil pressure greater than 80 PSI

Answer 8

Main Gearbox High Pressure

-Land as soon as practicable

Question 9

1) MGB fire warning light illuminated
Possible additional symptoms:
2) Illumination of MGB related warning and caution lights
3) Loss of MGB oil pressure and/or rise in temperature
4) Drop in fuel or hydraulic pressure
5) Electrical system malfunctions

Answer 9

Main Gearbox Fire

• Land/ditch immediately (confirmed)
• Land as soon as possible (not confirmed)

Question 10

1) FIRE warning light illuminated on the instrument panel
2) Red warning light illuminated on the corresponding EFSL
3) Flames and/or smoke coming from engine compartment

Answer 10

Engine Compartment Fire in Flight

• Land/ditch immediately (persists)
• Land as soon as possible (no longer evident)
• Land as soon as practicable (not confirmed)

Question 11

1) FIRE warning light illuminated
2) Possible hand or voice signals from ground crew
3) Red warning light illuminated on the corresponding EFSL

Answer 11

Engine Compartment Fire on Deck