ADIRU switch.....OFF 30 sec, then ON
Verify that the ON BAT light is extinguished
Verify that the OFF light is extinguished
VOICE RECORDER switch.... As needed
STATUS display....Verify that only expected messages are shown
Verify that the following are sufficient for flight-
oxygen pressure (SP.1.3)
hydraulic quantity
engine oil quantity
If crew change or MX-Note- The following oxygen pressure drop test only needs to be performed at one crewmember station.
Oxygen pressure drop Test
Oxygen mask ... Stowed and doors closed
Crew oxygen pressure ...Check STATUS display Note oxygen pressure.
RESET/TEST switch ......... Push and hold Verify that the yellow cross shows momentarily in the flow indicator. EMERGENCY/TEST selector... Push and hold While continuing to hold the RESET/TEST switch down, push the EMERGENCY/TEST selector for 5 seconds. Verify that the yellow cross shows continuously in the flow indicator. Verify that the crew oxygen pressure does not decrease more than 50 PSIG.
If the oxygen cylinder valve is not in the full open position, pressure can decrease rapidly, or decrease more than 50 PSIG, or increase slowly back to normal RESET/TEST switch and EMERGENCY/TEST selector (both) ...Release
Verify that the yellow cross does not show in the flow indicator. Normal/ 100% selector ................100%
Crew oxygen pressure .............Check STATUS display Verify that the pressure is sufficient for dispatch.
MX documents....
check Emergency equipment...
check Fire Extinguisher...checked and stowed
Crash Axe...stowed
Escape ropes...stowed
EVAS...checked and stowed (also see SP.1.5)
Other needed equipment...checked and stowed
Overhead MX Panel... Guards closed
Verify all lights are extinguished
Circuit breakers....Check
Verify in or collared with documentation
Parking brake...As needed for exterior inspection brake pin check
(FCOM Vol 1 Rev 2- NP.21.3-5) |