Boeing 737-48E

Service difficulty reports · 189

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '73748E'
  ORDER BY difficulty_date DESC"

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SDR MYWA201204160047Controller · malfunctionedZONE TEMP LIGHTS ON FWD CAB AND AFT CAB ILLUMINATE ON RECALL. ACCOMPLISHED BITE TEST ON ZONE TEMP CONTROLLERS IAW M/M TASK 21-51-00-705-275-002 AND RESET CONTROLLERS NO FAULTS NOTED SYSTEM OPS CHECK NORMAL NO LIGHTS ILLUMINATE WHEN RECALL PUSHED.Apr 15, 2012 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA201204160046Sensor · malfunctionedFWD & AFT CABIN TEMPS CAN NOT BE EASILY CONTROLLED WITH CABIN TEMP CONTROL SYSTEM. SMALL TEMP CORRECTIONS CAUSE LARGE TEMPERATURE SWINGS HOT TO COLD, OR COLD TO HOT. REMOVED AND REPLACED AFT CABIN TEMP BULB IAW AMM 21-62-25. TEMP SELECTORS ON ALL THREE CABIApr 13, 2012 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA120045Bleed Valve · malfunctionedAFTER SHUTDOWN, NR 1 ENGINE CONTINUED TO WINDMILL WITH APU BLEED AIR PRESSURE. SWITCHED APU BLEED AIR SWITCH FROM OFF TO ON AND BLEED SOURCE WAS REMOVED FROM ENGINE. REMOVED AND REPLACED HIGH STAGE VALVE IAW AMM 36-11-85. OPS AND LEAK CHECKED OK.Apr 13, 2012 · N752MA · Boeing 73748E · Compressor Bleed ValveSDR MYWA201204130044Cable · out of rigNR 1 ENGINE SLOW TO START & EGT FLASHING CHECK VSV FEEDBACK CABLE STATIC RIG CHECK. ON INITIAL CHECK, FOUND THAT THE NOTCH ON VARIABLE RIG PLATE WAS NOT ALIGNED. ADJUSTED STATICLY VSV FEED BACK CABLE AS PER AMM 75-31-02 PART I & J. ENGINE STARTED FROM FUELApr 10, 2012 · N752MA · Boeing 73748E · Turbine Engine Air Inlet SectionSDR MYWA201204130042Modulating Valve · failedCANNOT CONTROL CABIN TEMP ON CLIMB WITH BOTH FWD & AFT CONTROLS IN FULL HOT, SUPPLY DUCT SHOWED 14 + 17C RESPECTIVELY. CABIN VERY COLD. TROUBLESHOT CONTROL CABIN TEMP SYSTEM IAW MM 21-61-00 AND FOUND TRIM AIR MODULATING VALVE AT FAULT. REMOVED AND REPLACED Apr 10, 2012 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA201204100040Circuit Breaker · malfunctionedAPU WOULD NOT START. CYCLED APU START CIRCUIT BREAKER : OPS CHECKED GOOD, NO FURTHER ACTION REQUIRED IAW MM 49-00-00.Apr 9, 2012 · N752MA · Boeing 73748E · APU System WiringSDR MYWA120036Accessory Unit · malfunctionedETOPS SIGNIFICANT SYSTEM: FWD PASSENGER CABIN AND FLIGHT DECK ZONE TEMPERATURE HARD TO WARM UP. REMOVED AND REPLACED RT PACK AIR CONDITIONING ACCESSORY UNIT IAW AMM 21-61-00. SYSTEM OPS CHECK OK.Mar 20, 2012 · N752MA · Boeing 73748E · Cabin Temperature ControllerSDR MYWA120035Unknown · malfunctionedETOPS SIGNIFCANT SYSTEM: FWD LEFT WINDOW HEAT OVERHEAT LT ILLUMINATED WINDOW HEAT CB POPPED LEFT FRONT. RESET LEFT FRONT WINDOW C/B SYSTEM CK OK IAW AMM 30-41-00.Mar 18, 2012 · N752MA · Boeing 73748E · Windshield/Door Rain/Ice RemovalSDR MYWA120033Battery Pack · dischargedON P/T FOUND RT AFT SERVICE DOOR EMERGENCY EXIT LIGHT 3E INOP. T/S FOUND BAD BATTERY PACK, REMOVED & REPLACED POWER SUPPLY ASSY FOR RT AFT SERVICE DOOR POS AS PER AMM 33-51-51, OPS CHECK NORMAL.Mar 10, 2012 · N753MA · Boeing 73748E · Emergency LightingSDR MYWA120031Engine · hung startETOPS SIGNIFICANT SYSTEM: HUNG START ON NR 1 ENGINE. PERFORMED T/S ON NR 1 ENGINE MANUAL STARTED NR 1 STARTER & NO ISSUE FOUND DURING NR 1 ENGINE START. ALL PARAMETERS WERE WITHIN LIMITS IAW B737-400 AMM 71-00-00 & AMM 71-00-41 FIG 108 BLOCK 1.Mar 2, 2012 · N752MA · Boeing 73748E · Engine CrankingSDR MYWA120029Start Valve · not seatedETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE START SWITCH ON GRN NO N2 ROTATION. RESEATED NR 2 ENG START VALVE IAW B737-400 AMM 80-11-03, OPS CKS GOOD IAW 71-00-00-800-801-C0.Mar 1, 2012 · N752MA · Boeing 73748E · Engine Start Valves/ControlsSDR MYWA120028Warning System · false activationETOPS SIGNIFICANT SYSTEM: ENG NR 2 PMC LIGHT ILLUMINATED. T/S PER AMM 71-00-42 NO FAULTS FOUND RAN ENGINE PMC LIGHT STAYED OFF IAW 71-00-00.Feb 24, 2012 · N752MA · Boeing 73748E · Fuel Controlling SystemSDR MYWA120027Wire · out of positionETOPS SIGNIFICANT SYSTEM: LEFT FWD WINDOW NR 1 OVERHEATED AND POPPED C/B. PERFORMED INSPECTION ON LT WINDOW NR 1 DUE TO RESENT REPLACMENT OF LT WINDOW NR 1 REF LOG PAGE 237679 ITEM 6. CHECKED FOR CORRECT WIRING INSTALLATION AT WINDOW CONTROL TAP FROM WINDOWFeb 22, 2012 · N752MA · Boeing 73748E · Ice/Rain Protection System WiringSDR MYWA120025Controller · malfunctionedETOPS SIGNIFICANT SYSTEM: IN REF TO ITEM ABOVE, REPLACE WINDOW HEAT CONTROLLER FOR L1 WINDOW. REMOVED AND REPLACED L-1 WINDOW HEAT CONTROLLER IAW B737-400 M/M 30-41-11, OPS CHECK NORMAL.Feb 21, 2012 · N752MA · Boeing 73748E · Windshield/Door Rain/Ice RemovalSDR MYWA120024Window · arcedETOPS SIGNIFICANT SYSTEM: L1 WINDOW SHOW SIGN OF ARCHING AT UPPER HEATING ELEMENT. REMOVED AND REPLACED L-1 WINDOW IAW B737-400 M/M 56-11-11, OPS CHECK NORMAL.Feb 21, 2012 · N752MA · Boeing 73748E · Flight Compartment WindowsSDR MYWA201202210022Warning Light · illuminatedLEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATES. RESET CIRCUIT BREAKER FOR FWD LT WINDOW HEAT ( L-1 ) CIRCUIT BREAKER STAYED IN, SWAPPED WINDOW HEAT CONTROLLER LF & L SIDE FOR TROUBLE SHOOTING PURPOSES IAW AMM 30-11-11.Feb 21, 2012 · N752MA · Boeing 73748E · Windshield/Door Rain/Ice RemovalSDR MYWA120012Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: UNABLE TO HEAT FLIGHT DECK CONTROL CABIN FULL HEAT. OPS CHECK AIR CONDITIONING PACKS IAW AMM TASK 21-00-00-862-006. OPERATION OF CABIN TEMP CONTROL NORMAL. PERFORMED FAULT ISOLATION PER DISCREPANCY WRITEUP AND NO FAULTS FOUND IAW Jan 31, 2012 · N752MA · Boeing 73748E · Heating SystemSDR MYWA120004Engine · hung startETOPS SIGNIFICANT SYSTEM: INFO: NR 1 ENG HUNG START CROSS BLEED SECOND ATTEMPT OK. PERFORMED 2 SUCCESSFUL ENGINE START WITH APU AS PER AMM 71-0-00 NO HUNG START WAS NOTED STARTING OPERATION ARE WITHIN LIMITS 1ST AT 70 SECONDS 2ND AT 60 AS PER AMM 71-00-00 PAJan 14, 2012 · N752MA · Boeing 73748E · Engine (Turbine/Turboprop)SDR MYWA120003Sensor · dirtyETOPS SIGNIFICANT SYSTEM: UNABLE TO WARM FLIGHT DECK AT ALTITUDE EVEN WITH CONTROL CABIN ON MAX. PERFORMED TEMP CONTROLLER BITE TEST AS PER AMM 21-61-00 CONFIG 3 NO FAULTS FOUND. CLEANED COCKPIT TEMP SENSORS AS PER AMM 21-61-00 PG 701, OPERATED PACK WITH APJan 14, 2012 · N752MA · Boeing 73748E · Cabin Temperature SensorSDR MYWA120001Warning System · false activationETOPS SIGNIFICANT SYSTEM: ON RECALL CONT CAB ZONE TEMP ILLUMINATES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST AS PER AMM 21-61-00 CONFIG 3 FIG 103 FAULT CLEARED SYSTEM OPS CHECK NORMAL ITEM CLEARED DMI 8617 PLACARD REMOVED.Jan 3, 2012 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA120000Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: "CAB CONT" TEMP SELECTOR MAX HOT AND COCKPIT TEMP NEVER GOT ABOVE 11 C. ACCOMPLISHED BITE TEST ON PACK/ZONE TEMP CONTROLLER IAW B737-400 M/M 21-63-83 OPS CHECK NORMAL NO FAULTS NOTED. ACCOMPLISHED SYSTEM TEST OF THE TEMPERATURE CONTJan 3, 2012 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA110133Warning System · activatedETOPS SIGNIFICANT SYSTEM: APU OVERSPEED LIGHT ILLUMINATED DURING START SEQUENCE.Dec 14, 2011 · N752MA · Boeing 73748E · APU Indicating SystemSDR MYWA110130Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: APU FAILS TO START ON FIRST ATTEMPT. ACCOMPLISHED OPERATIONAL CHECK OF APU SEVERAL TIMES IAW B737-400 M/M 49-11-00 OPS CHECK NORMAL. NO DEFECTS NOTED AT THIS TIME.Dec 12, 2011 · N752MA · Boeing 73748E · APU Core EngineSDR MYWA110129Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: UNABLE TO HEAT COCKPIT. ONLY COLD AIR WITH CONT CAB SELECTOR AT MAX. ACCOMPLISHED BITE TEST ON NR 1 AND NR 2 ZONE TEMP CONTROLLERS IAW B737-400 M/M 21-61-00, OPS CHECK NORMAL. NO FAULTS NOTED.Dec 12, 2011 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA110128Control Panel · defectiveETOPS SIGNIFICANT SYSTEM: CABIN PRESSURE CONTROL PANEL DIGITS UNREADABLE. REMOVED AND REPLACED CABIN PRESSURE CONTROL PANEL IAW B737-400 M/M 21-31-25, OPS CHECK NORMAL IAW B737-400 M/M 21-31-00.Dec 12, 2011 · N752MA · Boeing 73748E · Cabin Pressure Control SystemSDR MYWA110124Filter · defectiveETOPS SIGNIFICANT SYSTEM: NR 1 ENG CSD DIFFERENTIAL PRESSURE DELTA P IS POPPED. REMOVED AND REPLACED NR 1 ENG CSD DIFF PRESS FILTER IAW AMM 24-11-41 LEAK CHECK OK. NO DEFECTS NOTED. OK TO CONTINUE SERVICE.Dec 4, 2011 · N752MA · Boeing 73748E · Alternator-Generator DriveSDR MYWA110122Cover · missingTHE 12 LT EMERGENCY LIGHT COVER IS MISSING. LIGHT FUNCTIONS PROPERLY. INSTALLED 12 LT EMERGENCY LIGHT LENS COVER IAW B737-400 MM 33-51-21, OPS CHECK NORMAL.Nov 30, 2011 · N752MA · Boeing 73748E · Emergency LightingSDR MYWA110108Engine · faultyETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE PARAMETERS ARE ERRATIC DURING CRUISE AS NI & EGT & N2 & FUEL FLOW FLUCTUATE DURING SMALL VIBRATIONS IN CRUISE +- .6% N1 & FF +-.3. IN REF TO LP 235894 ITEM 17. REMOVED & REPLACED NR 2 ENGINE, OPS CHECK OK IAW AMM 71-00-0Nov 3, 2011 · N752MA · Boeing 73748E · Engine (Turbine/Turboprop)SDR MYWA110107Filter · dirtyETOPS SIGNIFICANT SYSTEM: NR 1 ENGINE CSD DURING CRUISE INDICATES 80C IN AND 10C RISE. PERFORMED INSPECTION/CHECK ON NR 1 ENGINE CSD FOUND OIL FILTER POP-OUT INDICATOR POPPED OUT. REMOVED AND REPLACED CSD OIL FILTER IAW B737-400 AMM 24-11-41 INSPECTED MAGNENov 3, 2011 · N752MA · Boeing 73748E · Alternator-Generator DriveSDR MYWA110088Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: PILOT NR 1R FWD WINDOW HEAT OVERHEAT LIGHT REMAINS ILLUMINATED. NR 1R FWD WINDOW HEAT FOUND C/B POP. RESET C/B AND PERFORM W/H OPS CHECK AS PER B-737 M/M 30-41-00 SYS OPS CHECKED NORMAL.Aug 13, 2011 · N752MA · Boeing 73748E · Windshield/Door Rain/Ice RemovalSDR MYWA110072Circuit Breaker · trippedETOPS SIGNIFICANT SYSTEM: GEN PWR CONT CB POPPED AND APU SHUTDOWN AT GATE. FOUND GEN PWR CONT C/B INADVERTENTLY POPPED RESET C/B AND ACCOMPLISHED OPERATIONAL CHECK OF APU IAW B737-400 M/M 49-11-00 PG 501 OPS CHECK NORMAL NO DEFECTS NOTED AT THIS TIME.Jul 9, 2011 · N753MA · Boeing 73748E · AC Generation SystemSDR MYWA110071A/C Pack · malfunctionedETOPS SIGNIFICANT SYSTEM: (L) PACK LIGHT ILLUMINATED WILL NOT RESET. RESET AND OPS CHECKED LEFT PACK ON GROUND IAW AMM 21-51-00, NO FAULTS NOTED.Jul 8, 2011 · N752MA · Boeing 73748E · Cabin Cooling SystemSDR MYWA110067Filter · dirtyETOPS SIGNIFICANT SYSTEM: WEATHER RADAR FAIL MESSAGE IN FLIGHT. CLEANED THE R/T MOUNT FILTER IAW AMM 34-41-32. PERFORMED OPERATIONAL TEST IAW AMM 34-41-00 TEST NORMAL.Jul 4, 2011 · N752MA · Boeing 73748E · Weather Radar SystemSDR MYWA110056Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: NR 1 ENG START APU GENERATOR FALLS OFF LINE FREQ'S BELOW 390. ACCOMPLISHED ADJUSTMENT AND TEST OF THE APU IAW B737-400 M/M 49-11-00 OPS CHECK NORMAL ACCOMPLISHED ENGINE START IAW B737-400 M/M 71-00-00 OPS CHECK NORMAL WITH APU NO DEJun 18, 2011 · N752MA · Boeing 73748E · AC Generator-AlternatorSDR MYWA110055Circuit Breaker · trippedETOPS SIGNIFICANT SYSTEM: NUMBER 2 ENGINE START VALVE WOULD NOT OPEN ON ENGINE RUN UP. T/S , RESET NR 2 START VALVE BREAKER , OPS CHECK NORMAL IAW B737 AMM 80-11-03 & 20-60-05.Jun 16, 2011 · N752MA · Boeing 73748E · Engine Start Valves/ControlsSDR MYWA110041Controller · malfunctionedETOPS SIGNIFICANT SYSTEM: FWD CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AND WOULD NOT RESET. INSTALLED NEW CONTROLLER IN ZONE 2 TEMP ZONE OPS CHECKED GOOD IAW AMM 21-61-83.Apr 10, 2011 · N752MA · Boeing 73748E · Cabin Temperature Control SystemSDR MYWA110039Indicator · fluctuatesETOPS SIGNIFICANT SYSTEM: ENGINE NR 2 VIBRATION INDICATOR FLUCTUATES OCCASIONALLY FROM 0 TO 4.5 AND BACK. REPLACED VIB COMPUTER IAW AMM 77-31-03 ENG RUN UP ACCOMPLISHED. FAULT DID NOT DUPLICATE ON GROUND. ACTION CLEARS DMI 8088 M/C NOTIFIED. PLACARD REMOMar 30, 2011 · N753MA · Boeing 73748E · Engine Vibration AnalyzerSDR MYWA110020Fire Loop · no testETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE "B" LOOP WOULD NOT TEST. REMOVED AND REPLACED NR 2 ENGINE FIRE LOOP CORE DETECTOR IAW MM 26-11-11, OPS CHECKED NORMAL.Feb 8, 2011 · N752MA · Boeing 73748E · Fire DetectionSDR MYWA110019Regulator · inoperativeETOPS SIGNIFICANT SYSTEM: ON CLIMBOUT RIGHT SIDE DUCT PRESSURE READ "0" PSI. CYCLED NR 2 BLEED. NO RELIEF MTX CONTROL ADVISED RETURNED TO BLOCK. REMOVED AND REPLACED NR 2 ENGINE BLEED AIR REGULATOR AND CONNECTOR. SYS OPS NORMAL.Feb 5, 2011 · N752MA · Boeing 73748E · Pneumatic Distribution SystemSDR MYWA110017Connector · deterioratedETOPS SIGNIFICANT SYSTEM: NR2 ENGINE "A" FIRE LOOP WOULD NOT TEST. TROUBLE SHOT NR 2 ENG FIRE LOOP FOUND CONNECTOR DS1125 DETERIORATED. REMOVED & REPLACED IAW M/M 26-11-00. PERFORMED OPS CHECK IAW MM, OPS CHECKED NORMAL.Feb 5, 2011 · N752MA · Boeing 73748E · Fire Protection System WiringSDR MYWA110014Connector · damagedETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE FIRE HANDLE LIGHT DOES NOT ILLUMINATE DURING ENGINE FIRE TEST. TROUBLE SHOT PER FIM FOUND PINS PUSHED BACK. RESEATED PINS SYSTEM. OPS CHECK NORMAL.Jan 31, 2011 · N752MA · Boeing 73748E · Fire Protection System WiringSDR MYWA110012Sense Line · looseETOPS SIGNIFICANT SYSTEM: AFTER T/O DUCT PRESSURE CHECKED L-52 AND R-30, CRUISE L-38 R-32, DESCENT L-16 R-16. RETORQUED PRE COOLER SENSE LINE.Jan 28, 2011 · N752MA · Boeing 73748E · Pneumatic Indicating SystemSDR MYWA110009Connector · dirtyETOPS SIGNIFICANT SYSTEM: ON DESCENT NR 2 ENGINE VIBRATION MONITOR FLUCTUATES BETWEEN .5 AND MAX OF 5. PERFORMED BITE CHECK OF AVMS, CHECKED SENSORS, WIRING, CLEANED CONNECTORS AND RAN ENGINE. COULD NOT DUPLICATE PROBLEM.Jan 21, 2011 · N753MA · Boeing 73748E · Engine Indicating System WiringSDR MYWA110011Engine · malfunctionedETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE LT IGNITION SYSTEM INOP, RT OK. REPLACED NR 2 ENGINE, LT IGNITOR SYSTEM OPS NORMAL.Jan 19, 2011 · N752MA · Boeing 73748E · Engine (Turbine/Turboprop)SDR MYWA110003Control Valve · inoperativeETOPS SIGNIFICANT SYSTEM: RIGHT PACK LIGHT ILLUMINATED ON RECALL. REPLACED RIGHT PACK TEMP CONTROL VALVE.Jan 11, 2011 · N753MA · Boeing 73748E · Cabin Cooling SystemSDR MYWA110001Valve · out of adjustETOPS SIGNIFICANT SYSTEM: APU EGT GAUGE INTERMITTENT. FOUND THE CIRCUIT RESISTANCE VALVE TOO HIGH. ADJUSTED VALVE. SYSTEM OPERATION NORMAL.Jan 4, 2011 · N753MA · Boeing 73748E · APU Indicating SystemSDR MYWA100127Warning System · activatedETOPS SIGNIFICANT SYSTEM: IN FLIGHT, NR 1 ENGINE HIGH OIL TEMP DRIVE LIGHT ILLUMINATED WITH NORMAL TEMP PARAMETERS.Dec 16, 2010 · N752MA · Boeing 73748E · Engine Oil TemperatureSDR MYWA100124Indicator · faultyETOPS SIGNIFICANT SYS: ON APPROACH CREW HAD A FLAP ASSEMETRY BETWEEN 2 AND 5. ACCOMPLISHED NON-NORMAL CHECKLIST. AFTER LANDING, REPLACED FLAP POSITION INDICATOR. SYS OPS NORMAL.Dec 2, 2010 · N753MA · Boeing 73748E · Trailing Flap Position Indicating SystemSDR MYWA100121Smoke Detector · inoperativeETOPS SIGNIFICANT SYSTEM: AFT CARGO B-LOOP SMOKE DETECTOR INOP. SMOKE DETECTOR REPLACED.Nov 23, 2010 · N752MA · Boeing 73748E · Smoke DetectionSDR MYWA100120Indicator · intermittentETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE N1 INDICATOR INTERMITTANT.Nov 23, 2010 · N752MA · Boeing 73748E · Engine RPM Indicating System
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