JASC 7540
Service difficulty reports · 108
Reports filed under 7540 · Bleed Air Indicating System, newest first.
Query with SQL
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 jasc_code = '7540' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 jasc_code = '7540' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR SIMA20261008001Warning Message · illuminatedDURING FLIGHT AT FL210, BLEED 1 LEAK EICAS AND ASSOCIATED YELLOW BAR ON BLEED 1 PUSH SWITCH. RAN QRH. EICAS REMAINED AFTER SHUTTING OFF BLEED 1 AND CROSSBLEED. AFTER SHUTTING OFF BLEED 2 EICAS WENT AWAY. BLEED 1 FAIL EICAS APPEARED SOON AFTER. DID NOT PUSH IN SDR AALA202508197007Sensor · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: BLEED TRIP LIGHT ILLUMINATED IN CLIMB. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. TROUBLESHOT PER FIM 36-10-00-810-809. REPLACED ENGINE NUMBER 2 PRECOOLER CONTROL VALVE SENSOR. PER AMM 36-12-03-4SDR CALA2025060305220Thermocouple · faultyEGT EXCEEDENCE ENG R DURING INITIAL CLIMB. RE DUCED THRUST EGT N ORML FAULT MESSAGE 75-50802 WAS SHOWN ON MAT. TCA THERMOCOUPLE PROBE TEMPERATURE RANGE CH B HAS BEEN REMOVED AND REPLACED. MESSAGE IS NO LONGER ACTIVE. POWERPLANT TEST PASSED. REF AMM 75-25-07 SDR 2023FA0000699Engine · abnormal#2 ENGINE CHIP LIGHT AFTER START. BURNT CHIP AND IT CAME BACK. SHUTDOWN AND CALLED MXSDR DALA2023041102852Unknown · unknownSHIP 8140 -ATB- RETURNED TO SLC DUE TO LEFT ENGINE NACELLE OVERHEAT INDICATION. CORRECTIVE ACTION: REPLACED BUFFER AIR VALVE, BUFFER AIR VALVE SOLENOID, PRESSURE SENSOR, AND SENSE LINE DUE TO ASSOCIATED FAULTS.SDR 2022FA0000191Sensor · defectivePITOT HEAT SENSOR DEFECTIVE GIVING A FALSE WARNING WHEN PITOT HEAT IS ACTUALLY WORKING.SDR ASAA2021072635602Actuator · faultedWHILE PERFORMING TASK CARD 78273000, #2 ENG HAS SHORT TIME FAULT 75-10452 THE VBV POSITION SIGNALS DISAGREE, ON MUILTIPLE FLIGHT LEGS. GROUNDED - YES. REMOVED AND REPLACED R/H VBV ON #2 ENGINE PER TECH SERVICES RECOMMENDATION, REF B737-800 AMM 75-32-02-400-802SDR 2021F00144Engine · making metalPILOT NOTICED ENGINE CHIP LIGHT ON APPROACH TO LAS VEGAS. NO INDICATIONS OF NOISE, VIBRATION, OR OTHER LIGHT.SDR AALA202104099010Transducer · faultedAIRCRAFT WAS GROUNDED: AFTER TAKEOFF ECAM MESSAGE FOR ENGINE 1 BLEED. CREW ATTEMPTED RESET BUT FAILED A SECOND TIME. EMERGENCY WAS DELARED. TESTED THE OVER PRESSURE VALVE PER AMM 36-11-53-720-001-A. ALSO CHANGED THE PRESSURE TRANSDUCER PER AMM 36-11-16.SDR UIEA2021032200682Warning Message · false indicationRT ENG BLEED OFF EICAS(<P>PERFORMED OPERATIONAL TEST & AIR SUPPLY DISTRIBUTION SYSTEM IAW AMM 36-11-00. NO FAULTS NOTED AT THIS TIME. OPS CHECK GOOD.</P>)SDR JRAA202009110005Epr System · false indicationUPON APPLYING T/O THRUST NR 2 EPR GAUGE DID NOT RESPOND. T/O CLEARANCE CANCELLED, EXITED RUNWAY FOR TROUBLESHOOTING, NO RELIEF. CHECKED MEL, NO RELIEF, RETURNED TO RAMP.SDR KY7A2019102209001Mixing Valve · wornPILOT REPORTED RH WING OVERHEAT STEADY. MX REMOVED AND REPLACED RH MIXING VALVE WITH OVERHAULED. SAFTIED AND SECURED HARDWARE. PREFORMED GROUND RUN OPS AND LEAK CHECK GOOD REINSTALLED PANEL.SDR CA190729013Pressure Switch · failed(CAN) #2 BLEED HOT ILLUMINATED DURING CRUISE. SYSTEM GOT TURNED OFF, AFTER THAT #1 SYSTEM FAILED. EMERGENCY DECENT WAS EXECUTED, PLANE DIVERTED TO YQT FOR MAINTENANCE. (TC# 20190729013)SDR SIMA2018072523004Sensor · failedABORTED TAKEOFF AT 60 KTS E2 NO DISP. C/W FIM 75-41-00-810-804-A01 & FIM 75-41-00-810-801-A01. REMOVED AND REPLACED ENGINE T2.5 SENSOR IAW MM 75-41-10.SDR RU3A201807232031Warning System · activatedRIGHT 14TH STAGE DUCT FAIL LIGHT ILLUMINATED IN FLIGHT.SDR K11A2018043073001Warning Light · illuminatedRIGHT BLEED TRIP OFF LIGHT ILLUMINATED ON TAKEOFF ROLLSDR VNAA2017062111101Warning System · false activationWITH THE RT PACK ON DEFERRAL, HAD A LT BLEED DUCT WARNING MSG IN FLIGHT, CABIN LOST PRESSURE DUE TO WARNING MSG. PAX O2 MASK'S AUTO DEPLOYED AND USED. SMELL OF BURNING IN CABIN, SUSPECT FROM O2 GENERATORS. AIRCRAFT DIVERTED. COMPANY MX CREW INSP BLEED DUCT SYSSDR ASAA2016061217020Warning System · false activationWHILE PERFORMING T/C 78273000, FOUND MAINTENANCE MESSAGE 75-30452, THE VBV POSITION SIGNALS DISAGREE, FLIGHT LEG 9 SHORT TERM. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, NO CURRENT FAULTS, OR FAULT HISTORY.SDR RU3A20160311006Warning System · activatedLEFT & RIGHT BLEED AIR LIGHTS ANNUNCIATED AFTER TAKEOFF, MCT POWER, WHEN NAC HEATS SELECTED ON.SDR RU3A2016Warning System · activatedLEFT & RIGHT BLEED AIR LIGHTS ANNUNCIATED AFTER TAKEOFF, MCT POWER, WHEN NAC HEATS SELECTED ON.SDR RU3A20151028022Warning System · activatedLEFT & RIGHT BLEED AIR LIGHT ILLUMINATED, SIMULTANEOUSLY THEN EXTINGUISH SOON AFTER TURNING BOTH BLEED AIR SWITCHES TO OFF.SDR 2015FA0000077Display · failedREPEATED, 4 CONSECUTIVE AFT AND 3 CONSECUTIVE REPAIRED UNITS, FAILURE OF EIS, ENGINE INSTRUMENT SYSTEM, DISPLAYS DURING SELF TEST FOUND AT ANNUAL/150 HOUR INSPECTIONS. FAILURES ARE A CODE 25, FAILURE OF RS232 RECEIVER, INTERNAL OR APU A OR B MONITOR TEST FAILUSDR CALA2014062091305Warning System · false activationCOMPRESSOR VANE DISPLAYED ON UPPER ECAM SCREEN, ENG PARAMETERS NORMAL. OCCURRED DURING CLIMB OUT WAS JUST MOMENTARY. THEN REOCCURRED DURING TAXI-IN & REMAINED DISPLAYED. WORKED WITH LOCAL MAINTENANCE & FOUND FAULT ACRONYM B25TK IN FADEC. TROUBLESHOOTING ONSDR VNAA2013013100015Sensing Element · faultyCREW REPORTED LEFT 14TH STAGE BLEED DUCT WARNING MESSAGE WITH ANTI-ICE TURNED ON AND APU STARTED. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MESSAGE WENT OFF 15 TO 20 MINUTES LATER. MAINTENANCE INSPECTED, REMOVED AND REPLACED LEFT ENGINE 14TH STAGE PYLON SESDR CA121025010Line · ruptured(CAN) ON A ROUTINE, THE CREW HAD A A BLEED AIR FAIL LIGHT ILLUMINATE IN FLIGHT, THE ACFT CONTINUED WITHOUT INCIDENT. MAINTENANCE DISCOVERED A BRAKE DE-ICE LINE HAD RUPTURED AND MELTED THE WARNING TUBE. THE HOSE WAS REPLACED WITHOUT FURTHER INCIDENT.SDR NSVA20120303464Warning System · activatedDURING INITIAL CLIMBOUT A/C RECEIVED A RIGHT BLEED AIR LEAK LIGHT. RAN THE QRH, LIGHT WOULD NOT EXTINGUISH, THE QRH DIRECTED THEM TO ENGINE SHUTDOWN. CREW DECLARED AN EMERGENCY. ONCE LANDED TAXIED TO THE GATE UNDER THEIR OWN POWER.SDR NSVA20120306464Warning System · activatedDURING INITIAL CLIMBOUT A/C RECEIVED A RIGHT BLEED AIR LEAK LIGHT. RAN THE QRH, LIGHT WOULD NOT EXTINGUISH, THE QRH DIRECTED THEM TO ENGINE SHUTDOWN. CREW DECLARED AN EMERGENCY. ONCE LANDED TAXIED TO THE GATE UNDER THEIR OWN POWER.SDR CA120125017Switch · failed(CAN) FLIGHT CREW HAD A BLEED AIR WARNING LIGHT DURING FLIGHT. SYSTEM WAS TROUBLESHOT AND PROBLEM WAS FOUND TO BE THE BLEED AIR WARNING SWITCH HAD AN INTERNAL FAILURE. SWITCH, PN 90-380002-3 WAS REPLACED WITH NEW AND SYS GROUND TESTED SERVICEABLE.SDR UALA2011121406873Thermocouple · strippedNR 2 ENG TCA THERMOCOUPLE PROBE STUD STRIPPED. REPLACED NR 2 ENG TCA THERMOCOUPLE PROBE IAW AMM.SDR UALA2011110906112Probe · faultyPER A CHECK JC 2-2020B MAINT MESSAGE REVIEW FOUND MAINT MESSAGE 75-40802 TCA THERMOCOUPLE PROBE (R ENG,CH A) SIGNAL IS OUT OF RANGE HAS OCCURED MORE THAN ONCE DURING LAST 5 FLT LEGS. REPLACED NR 2 ENG TCA THERMOCOUPLE PROBE.SDR CA110907005Tube · leaking(CAN) THE SNAG WAS THE LOW BLEED LIGHT WARNING WAS COMING ON SOMETIMES IN FLIGHT. AFTER PRESSURIZING THE HOSE IT WAS NOTED THAT THE HOSE HAD A LEAK IN IT CAUSING THE PRE-SET SWITCH TO KICK ON.SDR VNAA2011083100023Sensor · faultyCREW REPORTED LEFT ENGINE BLEED YELLOW MESSAGE EN ROUTE FROM CLT TO SDF. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AIR SYSTEM AND REMOVED, INSPECTED, CLEANED AND REINSTALLED THE FOLLOWING: PIPS (PACK INLET PRESSURE SENSOR) TUSDR CA110614016Line · damagedCREW HAD RT BL FAIL ANNUNCIATOR ILLUMINATE IN FLIGHT. WHEN COMPLETING THE REQUIRED CHECK LIST TURNING THE BLEED OFF THERE WAS NO CORRESPONDING DECREASE IN ENGINE ITT. MX FOUND THAT THE FLARE ON PN 129-550084-X WAS CRACKED.SDR CVGA 11 120 2Warning System · activatedLT ENGINE BLEED AIR OVERHEAT LIGHT ILLUMINATES IN-FLIGHT.SDR AALA20100513LAX01Switch · faultyLAX INFLIGHT DFW-HNL. CREW REPORTED DURING CLIMB EICAS MESSAGE "LEFT ENGINE BLEED OVERHEAT" INDICATION CAME ON. EMERGENCY DECLARED FLIGHT DIVERTED LAX LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED BLEED SWITCH AND LEFT FAN AIR VALVE. SYSDR NSVA201062Warning System · activatedON TAKEOFF ROLL, CREW NOTICED BLEED HOT INDICATIONS LIGHT. CREW ABORTED TAKEOFF AND RETURNED TO GATE. OPERATIONALLY CHECKS GOOD.SDR REXA201000035Shutoff Valve · failedDIVERTED EARLIER IN DAY TO TYS DUE TO L ENG BLEED CAUTION MESSAGE. MAINT WORKED ON AIRCRAFT ALL DAY WHILE CREW WAITED AT HOTEL. DURING PART 91 REPO FLIGHT BACK TO ATL, CAUTION MESSAGE RETURNED. AIR RETURN TO TYS WAS RESULT. REMOVED AND REPLACED L 10TH STAGSDR AC2A2009053181959Pickup · malfunctionedENROUTE, YELLOW M/ECU2 INDICATOR, WHITE ECU INDICATOR ABOVE THE NR 2 ENGINE TQ AND NP INDICATION FLUCTUATED FOR ABOUT FIVE MINUTES BEFORE IT RETURNED TO NORMAL INDICATION. ALTERED ROUTE FOR A DIRECT FLIGHT. SHUT DOWN ACFT AT HELIPORT AND NOTIFIED MX. REPLSDR 4533301062008Clamp · looseRT BLEED OVERHEAT AMBER CAS MESSAGE POSTED. CREW DECLARED AN IFE AND LANDED. MX FOUND LOOSE CLAMPS ON THE LT HP BLEED VALVE AND LT LP DUCT PERRY SEALS. SEALS WERE REPLACED, CLAMPS RETORQUED AND LEAK CHECKS PERFORMED. NO DEFECTS NOTEDSDR 07FDEA05115Valve · crackedDURING CLIMB TO CRUISE ALTITUDE, ECAM PRESENTED AN ADVISORY PAGE FOR NR 1 ENG NAC TEMP AT 200. SELECTED NR 1 BLEED VALVE OFF AND REDUCED POWER ON NR 1 WITH NO CHANGE IN NR 1 NAC TEMP. AFTER THROTTLE WAS REDUCED TO ALMOST IDLE SETTING, NR 1 NAC TEMP FELL TO 1SDR 2007UALA05008Sensor · faultyRTFL DUE TO NR 2 ENGINE AIR BLEED FAULT. FOUND RT HEAT EXCHANGER OUTLET TEMP SENSOR FAULTY. REPLACED THE RT HEAT EXCHANGER OUTLET TEMP SENSOR AND REPLACE NR 2 FAN AIR VALVE CONTROL THERMOSTAT DUE TO NR 2 BLEED AIR OVERHEAT.SDR CA061116005Switch · failed(CAN) BLEED HOT CAUTION NR 2 CAME ON. CDS INTEREGATION FAULT CODE 1701. RIGHT BLEED OVERTEMPERATURE SWITCH FLAGGED. REPLACE SWITCH. SERIAL NUMBER 0781.SDR PCSA1016061SUSwitch · malfunctionedABORTED TAKEOFF AT 135 KTS. ENGINE FAIL LIGHTS CAME ON, ALL PARAMETERS WORKED NORMAL. TRANSFERRED AUTO PACK TRIP SYSTEM TO DMI 14808. A HIGH ENERGY STOP CONDITION INSPECTION WAS PERFORMED. NO DISCREPANCIES WERE NOTED. SUPPLEMENTAL ADD ON INFO, FOLLOW-UP RSDR QXEA200602430Warning System · malfunctionedBOI- LEFT ENGINE BLEED CAUTION MESSAGE ILLUMINATED. CONDUCTED EMERGENCY CHECKLIST, AND CLEARED THE MESSAGE. ON THE GROUND, RECONFIGURED THE BLEEDS TO THE NORMAL CONFIGURATION, AND THE MESSAGE DID NOT SHOW UP. MAINTENANCE COMPLIED WITH FIM PROCEDURE 75-30-00SDR AMTA200600287Regulator · unserviceableDUCT PRESSURE INDICATION, LT AND RT POINTERS SPLIT. THE ENGINE IS THE BLEED SOURCE. ALT - 36000 FT, N1-88 PERCENT, LT 28 PSI, RT 46 PSI. REPLACED NR1 BLEED AIR REGULATOR. NO DUCT SPLIT AND PRESSURES. OPS NORMAL IAW AMM AND FIM. OK FOR SERVICE. (K)SDR AMTA200600286Bleed Air Sys · out of balanceAT FL370 LT DUCT PRES 27 PSI + RT SHOWS 43 PSI. PERFORMED LT ENG BLEED SYSTEM HEALTH CHECK IAW AMM AND RAN L/ENG, NO FAULTS NOTED, DUCT PRESSURE NORMAL. (K)SDR DXTA200601317Engine · warning messageUPON APPLICATION OF TAKEOFF POWER, HAD A MASTER WARNING INDICATION. IT APPEARED TO BE THE BLEED PRESS/TEMP HI MESSAGE. MESSAGE WENT OUT IMMEDIATELY WHEN RETARDING THE THROTTLES. RAN APE FOR 30 MINS. RAN BOTH ENGINES FOR 20 MINS. ADVANCED BOTH ENGINES INDISDR CA060224010Swivel · leakingENGINE PYLON DUCT OVERHEAT CAS MESSAGE LIGHT ILLUMINATED 25 MINUTES INTO FLIGHT. AIRCRAFT RETURNED TO BASE. ENGINE GROUND RAN AND FOUND THAT LIGHT EXTINGUISHES WITH POWER BELOW 50%. PYLON DUCT REPLACED.SDR QXEA200501148Warning Light · illuminatedRDD FLIGHT NR 2308: BOTH BLEED HOT CAUTION LIGHTS CAME ON DURING ROTATION ON TAKEOFF. RAN CHECKLIST. LIGHTS STAYED ON. RETURNED TO FIELD. ACCOMPLISHED UNEVENTFUL LANDING. NO PARTS REPLACED. MAINTENANCE RESET WITH FIM. OPS CHECK GOOD. AIRCRAFT RETURNEDSDR RYNA200500012Transmitter · inoperativeDURING CLIMB-OUT ABOVE 14,000, THE CREW NOTICED AN ABNORMAL SPLIT IN ENGINE PARAMETERS WITH THRUST LEVERS MATCHED UP. WHEN TRYING TO MATCH EPR, THERE WAS A HUGE SPLIT IN THRUST LEVER POSITION AND N1, N2, N3, EGT AND FUEL FLOW. AIRCRAFT RETURNED TO ORD AND LA
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