B757 - 200 MINIMUM EQUIPMENT LIST
Message Level Notes Condition MEL Item
L ALTN T/R Advisory Option Left thrust reverser alternate hydraulic source valve disagrees with commanded position. 78-31-1
L AOA PROBE Advisory Basic Left angle of attack probe heat power or continuity loss. 30-32-1
L AUX PITOT Advisory Basic Left auxiliary pitot heat power or continuity loss or incorrect
power level. 30-31-1
L BLD DUCT LEAK Caution Basic Duct leak between left engine (or 26-18-1
APU) and isolation valve.
L BUS ISOLATED Advisory Basic Left isolation bus tie
automatically or manually locked open. None
L CTR ENT DOOR Advisory Basic Left center entry door unlatched. 52-71-1
L DATALINK SYS Status Option The left ACARS MU failed or wiring between the left ACARS 23-22-1
MU and EICAS has failed.
L EICAS CMPTR Status Basic Left EICAS computer failed or off. 31-41-1
L ELEC HYD OVHT Advisory Basic Left electrical pump temperature excessive. None
L ELEV PCU Status Basic Valve jammed in one or more left elevator power control units. 27-21-2
L EMER DOOR Advisory Basic Left emergency door unlatched. 52-71-1
L ENG ANALOG N2 Status Basic Digital left N2 above idle and
analog left N2 less than 40%. None
L ENG ANTI-ICE Advisory Basic Left engine cowl anti-ice valve/ switch disagree with engine running. 30-21-1
L ENG BLEED OFF Advisory Basic Left engine Pressure Regulating & 36-11-1
Shutoff Valve closed with engine running.
L ENG BLEED VAL Caution Basic Left engine bleed air overheat. 36-11-2
L ENG CASE COOL Status Basic Left engine EEC channel-in¬control indicates both core vent valves failed open. 75-24-1
L ENG EEC POWER Advisory Basic Left EEC powered by ground test power. N/A
B757 - 200 MINIMUM EQUIPMENT LIST
Message Level Notes Condition MEL Item
L ENG FAIL Caution Option Failure of the left engine in-flight None
based on N2 sub-idle and low
engine oil pressure.
L ENG FIRE LP 1 Status Basic Left engine fire loop 1 fire or fault
output.
L ENG FIRE LP 2 Status Basic Left engine fire loop 2 fire or fault
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本文链接地址：757 最低设备清单 Minimum Equipment List (MEL) 1(26)
