IF Surging or Popping Continues:
Both Engines Are Surging:
Operate at minimum thrust for safe flight.
* * * *
Only One Engine is Surging:
Shut down affected engine. Normally an engine should not be restarted if it was shut down because of surging or popping. However, at Captain’s discretion, a restart may be attempted if engine is critical for sustained safe flight. In this case, engine
OR
operation should be carefully monitored after restart and for remainder of flight to ensure that surging or popping has not resulted in engine damage.
* * * *
Surging or Popping Stops:
ENG IGN Switch..................A OR B / GRD START & CONTIN
Engine Anti-Ice Switches ..........................................................ON
PNEU X-FEED Valve Lever (Affected Engine(s)) .............. OPEN
Air Foil Anti-Ice Switch(es) .....................................................ON
Throttle (Affected Engine(s)).............SLOWLY ADVANCE (TO
MAINTAIN SAFE FLIGHT)
(Continued)
Sec. 3 Page 134 MD-80
Rev. 08/01/98 #27 Continental Flight Manual
IF No Surging or Popping:
Continue operation.
* * * *
Surging or Popping Returns:
Engine Anti-Ice Switch (Affected Engine(s))............OFF
Note: Under certain conditions, moving affected engine anti-ice switch to OFF will minimize possibility of surging or popping. This will cause NO MODE light on the TRI to come on, which may be disregarded due to the abnormal bleed configuration.
Operate the engine(s) below level that causes surging or popping and avoid icing conditions.
* * * *
MD-80 Sec. 3 Page 135
Flight Manual Continental Rev. 05/15/95 #23
EPR ERRATIC OR FIXED
Note: This condition may occur due to icing or EPR indicator malfunction.
IF In Icing Conditions:
ENG IGN Switch..SYS A OR SYS B / GRD START & CONTIN Engine Anti-Ice Switches ..........................................................ON EPR Gauge and Engine Parameters.................................CHECK
IF Normal:
OR
Continue operation.
OR
* * * *
IF Abnormal:
Continue at . IF Not In Icing Conditions:
. Throttle.............................................................................ADJUST
N1, EGT, N2, Fuel Flow....................................................CHECK
IF Normal Response and EPR is Erratic:
Assume EPR circuit malfunction and use N1 for power setting.
OR * * * *
IF Normal Response and EPR is Fixed:
EPR CB’s (K25 & L 25)........................RESET IF TRIPPED
IF EPR Remains Fixed:
Use N1 for power setting.
* * * *
Sec. 3 Page 136 MD-80
Rev. 08/01/98 #27 Continental Flight Manual
N1 AND / OR N2 OVERSPEED
Thrust (Affected Engine) .......................................................REDUCE
N1 Has Exceeded 99.2% (-217) [101.6% (-217A)] But Not Over 102.8% and/or N2 Has Exceeded 102.5% But Not Over 103.5% and All Engine Indicators Are Normal:
Continue engine operation and record RPM above maximum limit
in logbook.
* * * *
N1 Has Exceeded 102.8% and/or N2 Has Exceeded 103.5%:
A precautionary engine shutdown should be accomplished at
Captain’s discretion. Record RPM overshoot in logbook.
* * * *
MD-80 Sec. 3 Page 137
Flight Manual Continental Rev. 12/01/00 #29
OIL PRESSURE LOW LIGHT ON AND / OR OIL PRESSURE LOW
Note: Oil pressure between 35 and 40 PSI is not desirable and should be tolerated only for completion of flight, preferably at a reduced thrust setting to as low a level a flight conditions permit.
Thrust (Affected Engine) .....................................................REDUCE
OIL PRESS LOW Light is On:
OIL PRESS, OIL TEMP, and OIL QUANTITY Are Normal:
Continue normal engine operation.
* * * *
OIL PRESS, OIL TEMP, or OIL QUANTITY Are Abnormal:
Shut down engine. Refer to ENGINE INFLIGHT SHUTDOWN CHECKLIST.
* * * *
IF OIL PRESS LOW Light is Off, but OIL PRESS Gauge Indicates below 35 PSI:
OIL TEMP and OIL QUANTITY Are Normal:
Continue normal engine operation.
* * * *
IF OIL TEMP or OIL QUANTITY Are Abnormal:
Shut down engine. Refer to ENGINE INFLIGHT SHUTDOWN CHECKLIST.
* * * *
Sec. 3 Page 138 MD-80
Rev. 05/15/95 #23 Continental Flight Manual
OIL PRESSURE HIGH
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