Ground EPs.txt

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Author:
elitylski
ID:
251856
Filename:
Ground EPs.txt
Updated:
2013-12-08 22:42:38
Tags:
38
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Description:
Ground EPs
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  1. No RPM Rise when external air applied
    • Indications:
    • Leaving taxiway/runway/ramp
    • Actions:
    • Shut down before departing
    • Emergency ground egress
    • Considerations:
    • Primary dangers are engine FOD and landing gear damage
  2. Low RPM after engine start
    • Indications:
    • Doesn’t reach generator cut in speed after 30 sec
    • drops below idle RPM after start
    • Actions:
    • Hold engine start button until generator cuts in
    • Considerations:
    • could be affected by tailwind
    • abort if not corrected
  3. Fuel Flow / EGT sensor failure during start
    • Indications:
    • 0 EGT or 0 FF
    • EGT or FF Fail with corresponding EED Fail
    • Actions:
    • With fail indication, try Master/Slave and cycle EED power
    • With no FF, move throttle past idle
    • With no EGT, press start button harder
  4. Excessive Fuel Flow during start
    • Indications:
    • FF exceeds 360 pph before ignition
    • Actions:
    • Abort start
    • Motor for 2 minutes
    • Reattempt start
    • Abort aircraft for excessive fuel flow on second start
  5. No EGT rise on start
    • Indications:
    • No EGT rise after 12 seconds of fuel flow
    • Actions:
    • Abort start
    • Motor for 2 minutes
    • Cycle EED Master/Slave and EGT power
    • Reattempt start
    • Considerations:
    • If no EGT rise but RPM is rising, abort start
  6. Excessive EGT on start
    • Indications:
    • EGT above 845C
    • Actions:
    • Abort start
    • Motor for 2 minutes
    • Attempt restart
    • Considerations:
    • Expect rapid EGT rise on second start attempt
    • If EGT exceeds 925C, write up with max temp, duration, and other EED indications
  7. Engine fire during start/taxi/runup
    • Indications:
    • FIRE warning lights, FIRE warning on MFD/HUD
    • FEVER indications
    • Ground crew signal (figure 8 with one hand, pointing at fire with other)
    • Actions:
    • Throttles – OFF
    • Emergency Ground Egress
    • Considerations:
    • Consider radio call to alert ground/fire chief
    • Call for egress before switching battery/APU off
  8. Emergency ground egress
    • Indications:
    • Need to egress in a hurry
    • Willing to accept additional risk of emergency egress
    • Actions:
    • Notify ground/tower as appropriate
    • “EGRESS, EGRESS, EGRESS”
    • Throttles – OFF
    • Seat – SAFE and pinned (confirm with RCP)
    • Battery – OFF
    • Unstrap (2,1,2,2,2)
    • Open canopy (normal, jettison, canopy breaker)
    • Exit cockpit
  9. Low Hydraulic Pressure (ground)
    • Indications:
    • Hyd Px below 1,500 psi when flight controls actuated
    • MASTER CAUTION
    • Actions:
    • Cycle flight controls and recheck indicator
    • If normal indications aren’t restored, abort the aircraft
    • Considerations:
    • Possible fluid leak
    • Longer actuation times for FANGS equipt if low px in utility hyd system
  10. Excessive hydraulic pressure on the ground (CAUTION light OFF)
    • Indications:
    • Hydraulic pressure above 3,200 psi after engine start
    • Actions:
    • Cycle flight controls and recheck indicator
    • If normal indications aren’t restored, shut down engine and abort aircraft
  11. Impending FOD Incident (ground)
    • Indications:
    • Foreign objects seen during ground ops
    • Actions:
    • Wait for objects to clear and call ground control to report
    • Shut down engines to prevent damage
  12. Deflated nose strut (ground)
    • Indications:
    • Nose strut “clunks” during taxi/runup
    • Actions:
    • Stop
    • call for a tow back to the chocks
    • shut down and egress normally
  13. Smoke, fumes or odors in cockpit (ground)
    • Indications:
    • Smoke, fumes, or unusual odors in cockpit
    • Actions:
    • Gangload during analysis
    • FEVER check – treat as fire as appropriate
    • Don’t take off with continued indications
    • Considerations:
    • Could be caused by A/C system with dirty coalescer bag
    • Combined with vibrations, could indicate A/C turbine failure – select RAM DUMP
  14. Generator failure with/without crossover (ground)
    • Indications:
    • Gen fail with crossover – MASTER CAUTION and LEFT/RIGHT GEN light
    • Right gen no cross – RIGHT GEN, RIGHT FUEL PX, ENGINE ANTI ICE
    • Left gen no cross – LEFT GEN, LEFT FUEL PX
    • Actions:
    • Check RPM above generator cut in range
    • Adjust affected engine RPM to other side of 65-75%
    • If failure to shift suspected, turn generator off, taxi clear and shut down affected engine
    • Assuming good crossover, attempt reset – if successful, press
  15. Improper flight control feel (ground)
    • Indications:
    • Binding or unusual feel during flight control check
    • Actions:
    • Abort and write up
  16. Brake failure/locked brake
    • Indications:
    • Brakes dragging, locked, or inop
    • Action:
    • Attempt to clear taxiway
    • Call for tow, shut down and egress
  17. Loss of nosewheel steering
    • Indications:
    • Nosewheel steering inop while taxiing
    • Actions:
    • Use differential braking
    • Attempt to clear runway/taxiway
    • Call for tow, shut down, and egress
    • Considerations:
    • If at the end of a mission, try braking hard enough to compress the nosewheel strut
    • If combined with low or fluctuating utility hydraulic pressure, suspect a leak
  18. Nosewheel steering will not disengage
    • Indications:
    • Nosewheel steering won’t disengage while taking the runway
    • Actions:
    • Abort the aircraft
  19. Rudder pedal rod end failure
    • Indications:
    • While holding brakes during runup, rudder pedal fails
    • Actions:
    • Abort the takeoff
    • Prepare to shut down and depart prepared surface
    • Call for a tow, shut down, and egress
  20. Nosewheel vibration
    • Indications:
    • Nosewheel vibration while taxiing
    • Actions:
    • Abort the aircraft
  21. Departing a prepared surface
    • Indications:
    • Leaving taxiway/runway/ramp
    • Actions:
    • Shut down before departing
    • Emergency ground egress
    • Considerations:
    • Primary dangers are engine FOD and landing gear damage

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