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function (alerting & display) has
been manually switched off.
TERR POS Advisory Option EGPWS has determined that 34-46-1
horizontal position uncertainty
exceeds limit.
TERR SYS Status Option Terrain awareness functionality 34-46-1
of Enhanced Gnd Prox Sys has
failed.
TIRE PRESSURE Advisory Prov’n Tire pressure monitor unit
(TPMU) detects any main or nose gear tire low pressure.
TIRE PRESSURE Status Prov’n Tire pressure monitor unit
(TPMU) detects any main or nose gear tire low pressure. None

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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本文鏈接地址：757 最低設(shè)備清單 Minimum Equipment List (MEL) 1(36)