BlogHide Resteemsjeonbyeongchan (25)in b737 • 6 years agoHigh Engine VibrationP6-2A Transfer Bus2 - 115v ac Condition : Accomplish this NNC only when engine vibrations indicate above 4.0 units and airframe vibrations occur (to exclude a faulty indication). Consider this…jeonbyeongchan (25)in b737 • 6 years agoFMC FAIL(review) in GUMP6-1D P18-2A Transfer Bus 1 Sect 1 - 115v ac Standby Bus Sect 1 - 115v ac (as wired) Transfer Bus 2 Sect 2 - 115v ac (optional FMC 2) Condition : “FMC” message or MENU page on both (M) CDU.…jeonbyeongchan (25)in b737 • 6 years agoEngine Ignition InoperativeP6-2D (left) P18-2A (right) Transfer Bus 1 Sect 1/2 - 115v ac (left) Standby Bus Sect 1/2 - 115v ac (right) On GND Left ignition is powered by Transfer Bus 1. As a result, left ignition is only…jeonbyeongchan (25)in b737 • 6 years agoEngine Limit or Surge or StallLIMIT Condition : LIMIT refers to N1, N2 or EGT approaching or exceeding its respective limits. However, if the ENG OVERHEAT amber light or ENGINE FIRE switch illuminates, the respective NNC must…jeonbyeongchan (25)in b737 • 6 years agoPACK / PACK TRIP OFFP6-4A, Temp at ACM Compressor Oulet > 199 degrees C / 390 degrees F Temp at ACM Turbine Inlet > 99 degrees C / 210 degrees F Temp in Supply Duct > 121 degrees C / 250 degrees F Failure…jeonbyeongchan (25)in b737 • 6 years agoALL Flap Up LandingFCTM 8.x [Leading Edge or Trailing Edge Device Malfunctions] Approach Review the approach chart : Published procedure turns and radar vectors that are executed at a speed below flaps up…jeonbyeongchan (25)in b737 • 6 years agoTail StrikeTypical tail clearance during takeoff is between 50 and 75 cm / 20 and 30 inches. This clearance increases with flap setting. Consider using Flaps 15 for takeoff with low gross weight. Subtract…jeonbyeongchan (25)in b737 • 6 years agoMANUAL REVERSION or LOSS OF SYSTEM A AND SYSTEM BFCTM 8.x [Hydraulic System(s) Inoperative - Landing] X with one or both hydraulic system fluid quantities not zero, verify the EDP. The EMDP are located in the E&E, so these pumps cannot be…jeonbyeongchan (25)in b737 • 6 years agoLOSS OF BOTH ENGINE DRIVEN GENERATORSMake sure you are not dealing with a single or dual engine failure! Advance thrust levers and verify engine response. ENG FAIL should not be displayed. Verify MCP settings - values may have…jeonbyeongchan (25)in b737 • 6 years agoEngine In-Flight StartNote : An engine in-flight start is not allowed if %N1 or %N2 shows zero rpm There in no minimum oil quantity requirement for an engine in-flight start. However, after engine start, oil quantity…jeonbyeongchan (25)in b737 • 6 years agoEngine Fuel LeakAccording to the NNC an increase in fuel imbalance of 230 kg / 500 lbs or more in 30 minutes should be considered an engine fuel leak. However, bear in mind that not every fuel leak is an engine…jeonbyeongchan (25)in b737 • 6 years agoEMERGENCY DESCENTNNC 0.x [Emergency Descent] PRIOR DESCENT - Advise ATC about rapid descent - Advise cabin crew using company SOP and call-outs DURING DESCENT - confirm heading and altitude to ATC - verify…jeonbyeongchan (25)in b737 • 6 years agoEngine Bird Strike! typical indications for an engine bird strike are audible thuds on the airframe, increase in engine EGT, engine surge, engine vibrations and unpleasant odors from the air conditioning system.…jeonbyeongchan (25)in b737 • 6 years agoAPU FIREPulling the APU Fire Switch : closes the APU Fuel SOV closes the APU Bleed Air Valve trips the APU GCR and GCB closes the APU inlet Door arms the discharge squib on the APU Fire…jeonbyeongchan (25)in b737 • 6 years agoCABIN ALTITUDE WARNING or Rapid DepressurizationRAPID DECOMPRESSION outflow valve malfunction door operning structural damage (e.g. bomb explosion) SLOW DECOMPRESSION outflow valve malfunction presurization controller…jeonbyeongchan (25)in b737 • 6 years agoAUTO FAIL/UNSCHEDULED-PRESSURIZATION CHANGEAUTO FAIL or Unscheduled Pressurization Change P6-4F Loss of DC power on DC BUS 1/2 for > 3" Rate of cabin pressure change > 2,00 fpm SLE Cabin altitude above 15,800 feet Differential…jeonbyeongchan (25)in b737 • 6 years agoAIRSPEED UNRELIABLEThe following events may cause the air data to become invalid: pitot/static system blocked by protective covers installed for overnight stop pitot/static system taped for airplane cleaning…jeonbyeongchan (25)in b737 • 6 years agoPARTIAL OR GEAR UP LANDINGFCTM 8.x [Partial or Gear Up Landing] - Do not spend too much time trying to clear a gear problem and meanwhile reducing the possibility of diverting to a more suitable airport or even run out of…jeonbyeongchan (25)in b737 • 6 years agoEngine High Oil TemperatureThrust lever (affected engine) Retard slowly Decreasing thrust may lower oil temperature by reducing the amount of heat generated by the engine. However, increasing thrust may also lower the oil…jeonbyeongchan (25)in b737 • 6 years agoEEC ALTERNATE MODEEngine %N2 > 56% AND EEC selected ON AND Loss of signal from either DEU OR AND Invalid Pt signal from ADIRU (*) -> soft 15" delay. Engine %N2 > 56 % AND EEC not manually selected ALTN AND…