THERAP OXY ON Advisory Option Therapeutic Oxygen System N/A
activated.
TRACK DISAGREE Advisory Option Instrument Comparator Unit 34-21-1
senses left or right track
disagreement.
TRACK FAIL Advisory Prov’n Instrument Comparator Unit 34-25-1
senses invalid track data.
TRIM AIR Advisory Basic Trim air valve selected closed 21-61-3
(75°F fixed temperature pack
mode selected).
UNABLE RNP Caution Option Required navigation performance
accuracy not met during an RNP based approach.
UNABLE RNP Advisory Option Required navigation performance N/A
accuracy not met.
B757 - 200 MINIMUM EQUIPMENT LIST
Message Level Notes Condition MEL Item
UNSCHD STAB TRIM Caution Basic Uncommanded stabilizer motion in autopilot or Mach/Speed Trim modes. None
VHF DATA OFF Comm F Option VHF radio is in voice mode and N/A
ACARS cannot communicate via
VHF.
WARN ELEX Status Basic Warning electronics system single power supply failure or stall warning unit failure. 34-61-1
27-32-2
WHEEL WELL FIRE Warning Basic Wheel well fire. 26-17-1
WINDOW HEAT Advisory Basic Two or more window heater failures. 30-41-1
WINDSHEAR PRED Status Option Predictive Windshear function of the Weather Radar unit is failed. 34-43-1
WINDSHEAR SYS Advisory Option Either the predictive or the reactive windshear functions have failed, and their associated 34-43-1
alerting is no longer available. 34-46-1
WXR SYS Status Basic WXR display is not present when 34-43-1
WXR selected on EFIS control panel.
YSM Status Basic Failure of one YSM. 27-09-1
NUMBER INSTALLED
NUMBER REQUIRED FOR DISPATCH
- 0 REMARKS OR EXCEPTIONS
EICAS STATUS MESSAGES
None
PLACARD
Airplane flight log as appropriate - A/C OZONE CONVERTER(S) INOP
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本文链接地址：757 最低设备清单 Minimum Equipment List (MEL) 1(36)
