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.

SDR RYNA200500013Tube · crackedDURING CLIMB FROM ORD, THE NR 2 ENGINE N1 WAS INDICATING .16 LOWER THAN THE NR 1 ENGINE. THE AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED CRACKED TUBE OFF NR 2 ENGINE P1 PROBE. OPERATIONAL CHECK NORMAL.Apr 8, 2005 · N753NA · Boeing 75728ASDR CA050218007Switch · inoperative(CAN) DURING CLIMB, NR1 ENGINE BLEED FAULT ILLUMINATED. AT CRUISE, THE BLEED WAS RESET RESULTING IN THE SAME BLEED DUCT LEAK ALERT. THE AIRCRAFT RETURNED TO BASE WITHOUT INCIDENT. MAINTENANCE REPLACED THE LT SHROUD OVERHEAT SWITCH IAW MM 36-11-11 AND TESTEDFeb 16, 2005 · Fokker F28MK0100SDR CA050209003Indicator · failed(CAN) DURING TAXI, THE CREW OBSERVED THE WING ANTI-ICE FAIL LIGHT CAME ON WITH THE ENGINE ANTI-ICE SELECTED ON. THE AIRCRAFT RETURNED TO THE GATE. MAINT PERFORMED THE CONTROL UNIT BITE TEST. THE OPERATIONAL TEST WAS CARRIED OUT IAW MM 30-11-00 WITH NO FAULTFeb 7, 2005 · Fokker F28MK0100SDR GTIA040792Duct · looseDURING CLIMB-OUT, TAIL COMPARTMENT HIGH LIGHT CAME ON 1 OR 3 TIMES SO RETURNED TO DEPARTURE AIRPORT. T/S FOUND RT TEMP CONTROL VALVE DUCT LOOSE. SECURED PRIMARY HEAT EXCHANGER EXHAUST DUCT.Oct 1, 2004 · N800NK · Doug DC982SDR ASMF200407029Warning Light · illuminatedAIRCRAFT RETURNED TO PLATFORM, LT ENGINE WITH LOW POWER AND IN IDLE POSITION TEMPERATURE REACHED 485 DEGREE (C) OUT OF LIMITS. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT SERVICE, THRUST LEVER TRIM WAS CHECKED IAW MM 76-11-00, LT ENGINE BLEED VALVES Jul 24, 2004 · N803ML · Doug DC987SDR QXEA200400430Shutoff Valve · inoperativePDX - ON FLIGHT NUMBER 2555, AFTER DEPARTURE THE AFT LAVATORY SMOKE DETECTOR WARNING MESSAGE APPEARED. FLIGHT ATTENDANT REPORTED SEEING SMOKE NEAR THE CEILING OF CABIN. SMOKE HAD AN ACRID SMELL TO IT. REPLACED THE 4TH STAGE SHUT OFF VALVE ON NR 2 ENGINE, FOJun 12, 2004 · N607QX · Cndair CL6002C10SDR G1IA2004001Warning System · activatedLT BLEED AIR FAIL LIGHT ILLUMINATED DURING FLIGHT. SECURED BLEED AIR FOR AFFECTED SIDE AND LANDED AT SCHEDULED DESTINATION. MAINTENANCE DEPT INSPECTED ALL BLEED DUCTS AND EVA TUBING, WITH NO DEFECTS NOTED. PURGED SYSTEM WITH COMPRESSED AIR CLEARING POSSIBLEMar 23, 2004 · N25KA · Beech 200BEECHSDR RYNA54233Transducer · faultyDURING CRUISE FLIGHT, ECAM DISPLAYED (LEFT WING AIR LEAK) MESSAGE. PERFORMED ECAM ACTION. RETURNED, AS A HEAVY WEIGHT LANDING. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 1 ENGINE BLEED PRESSURE TRANSDUCER.Mar 3, 2004 · N941LF · Airbus A320233SDR C2XA03TY217Sensor · faultyTYS, AIRCRAFT DIVERTED INTO TYS FOR A BLEED 1 OVERTEMP. MAINTENANCE REMOVED AND REPLACED THE FAN AIR CONTROL SENSOR, OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.Dec 24, 2003 · N17524 · Emb EMB135LRSDR 009081Warning Light · illuminatedFLT 4528 FROM PIT TO HGR AFTER T/O ON GEAR RETRACT, FI STOP OPEN LIGHT ILLUM. CREW WAS ADVISED TO RETURN TO FIELD. AC RETURNED TO FIELD WITH NO INCIDENT.Nov 27, 2003 · N146 · Saab SF340ASDR AWXA200300872Thermostat · defectiveAFTER TAKEOFF RECEIVED NR 1 & NR 2 ENGINE BLEED CLASS MESSAGES. BOTH BLEED VALVES CLOSED & TEMP AT 320 C, CYCLED SWITCHES WITH NO SUCCESS. TURNED APU BLEED ON & BOTH ENG BLEEDS RETURNED TO NORMAL. RETURNED BOTH ENG BLEEDS TO SERVICE & 2 MIN LATER BOTH ENG BLAug 3, 2003 · N658AW · Airbus A320232SDR 02310414TransducerDuring climb of the flight, at 2500' AGL, the crew heard a loud "pop" and noticed that the r/h engine instruments were rolling back. The crew secured the engine, returned to PHL, and landed without further incident. Maintenance personnel performed a borescopNov 6, 2002 · N414FJ · Dorner DO328300SDR CA030109006Duct · leaking(CAN) DURING CRUISE, CAUTION LIGHT ON FOR NR 2 BLEED HOT. ACC TO QRH IT WAS SWITCHED OFF. BASE WAS CONTACTED. THEY ASKED US TO SELECT IT ON AGAIN, WHICH WE DID AND SHORTLY AFTER CAUTION LIGHT CAME ON AGAIN.TCC ASKED US TO RETURN TO BASE WHERE WE MADE AN UNEVENNov 5, 2002 · Bombdr DHC8400SDR CA020510001Control Unit · failed(CAN) NR 1 AND NR 2 BLEED HOT CAUTION LIGHT ILLUMINATED AFTER TAKEOFF. AFTER LANDING, PERFORMED INSPECTION BY MAINTENANCE. NR 1 AND 2 BLEED HOT CAUTION LIGHT ILLUMINATED AFTER TAKEOFF WITHOUT BLEEDS SELECTED. FAULT CODES (L/CH AND R/CH 7008, 4109, 7004, 3102)Feb 11, 2002 · Dhav DHC8*SDR CHQ00091Warning System · activatedLOUD BANG FOLLOWED BY NR 2 BLEED EICAS MESSAGE.Jan 13, 2002 · N274 · Emb EMB145SDR AUS20011443Switch · failed(AUS) NR 1 BLEED AIR SYSTEM TEMPERATURE OVERHEAT SWITCH FAILED.Dec 24, 2001 · Dhav DHC8202SDR CHQ00030Warning System · activatedON FINAL APPROACH INTO STL, THE PILOT HAD A RT BLEED LEAK. PILOT DECLARED AN EMERGENCY.Oct 12, 2001 · N123 · Saab SF340ASDR 2001F00229Harness · damagedSAL - FLT 390 - DURING CLIMB, THE CAPTAIN REPORTED AIR ENGINE 1 BLEED ABNORMAL PRESSURE, AIR ENGINE 1 BLEED FAULT AND HYD GREEN ENG 1 PUMP LOW PRESSURE. THE AIRCRAFT RETURNED TO SAL STATION FOR MAINTENANCE. AFTER LANDING, MAINT TECH PERFORMED FAULT ANALYSIS, Aug 16, 2001 · N941LF · Airbus A320233SDR 2001UALA01268Warning Light · illuminatedLEFT ENGINE BLEED LIGHT WITH ASSOCIATED HSPOV EICAS MESSAGE.Jun 30, 2001 · N674UA · Boeing 767322SDR SIMA200115622Warning Light · false indicationCMH - FLT 4093 - NR 2 BLEED LEAK IN FLIGHT. COULD NOT DUPLICATE PROBLEM. PERFORMED CHECKS IAW AMM. AIRCRAFT RETURNED TO SERVICE. (M)Jun 5, 2001 · N624AE · Emb EMB145LRSDR GLBA2001006Warning Light · illuminatedRETURN TO BLOCK - RIGHT BLEED AIR ANNUCIATOR ILLUMINATED ON CLIMBOUT. REPAIRED EVA TUBING.Jan 12, 2001 · N202UX · Beech 1900DSDR AU000752Indicator · faulty(AUS) RT PYLON BLEED AIR LEAK DETECTOR LOOP HAD LOW RESISTANCE. FOUND DURING INSPECTION IAW SBA601R-36-104.Aug 21, 2000 · Cndair CL6002B19SDR DHL2000726004Valve · not closedREJECTED TAKEOFF FOR LOW EPR NR 1 ENGINE. FOUND NR 1 ENG ANTI ICE VALVE IN WRONG POSITION. MOVED NR 1 ENG ANTI ICE VALVE TO CLOSED POSITION WITH SWITCH. NORMAL TAKEOFF.Aug 1, 2000 · N726DH · Boeing 727228SDR CA000724003Fire Loop · failed(CAN) IN CRUISE ON FLIGHT 5367 FROM CINCINNATI TO MINNEAPOLIS / ST PAUL LT 14TH STAGE DUCT WARN ILLUMINATED. CREW FOLLOWED THEIR QRH AND SHUT DOWN THE ENGINE. AFTER DECLARING AN EMERGENCY AND DIVERTING TO MADISON THEY COMPLETED AN UNEVENTFUL LANDING.Jul 14, 2000 · Cndair CL6002B19SDR 00FDEA00292Warning System · activated00-118 DURING CLIMB, NR 2 ENG NACELLE TEMP ADVISORY ACTIVATED, FOLLOWED ADVISORY PROCEDURES. BROUGHT POWER BACK TO IDLE.Apr 20, 2000 · N443FE · Airbus A310203SDR DHL200070701Indicator · contaminatedNR 2 ENG PARAMETERS FLUCUATING. CLEARED MOISTURE TRAP OF LARGE AMOUNT OF WATER. SERVICED FUEL CONTROL BELLOWS, RAN ENG AT CRUISE AND T/O POWER FOR EXTENDED PERIOD, OPS GOOD. REF LOG PG 179027 ITEM I P.Apr 20, 2000 · N707DH · Boeing 72722SDR 20000707SH011Line · chafedINSPECTION REVEALED WIRE BUNDLE RUN W2705 (HGS) MAKES HARD CONTACT WITH TAT PROBE BLEED AIR LINE AT BS 312 LBL 47.0 WL 202.6. THIS HAS BEEN FOUND ON THE LAST 4 AIRCRAFT. CAUSE - BUNDLE NOT ROUTED PROPERLY. SUBMITTER RECOMMENDED RELOCATING WIRE BUNDLE DURING Nov 16, 1999 · N888GW · Boeing 7377CGSDR CA991007042Tachometer · failed(CAN) TACHOMETER BOX FAILING TO PROVIDE POWER TO THE BLEED VALVE, TTSN 1575.3 HOURS.Mar 23, 1999 · Snias AS350BASDR 99ZZZX3471Limiter · brokenAIRCRAFT LOST PRESSURIZATION DURING CLIMB THROUGH FL 200. AIRCRAFT RETURNED TO MAINTENANCE BASE FOR REPAIR. DUCT TEMP LIMITER FOR CABIN PRESSURIZATION FOUND BROKEN AT MOUNT BASE AND WAS REPLACED WITH AN UPDATED, IMPROVED PART IAW A FACTORY SUPPLIED AIRCRAFTFeb 5, 1999 · N444MK · Lear 25DSDR CA990125012Sensor Line · loose(CAN) RIGHT ENGINE BLEED OFF - EICAS MESSAGE WHEN TAKEOFF POWER APPLIED. MESSAGE WENT OUT WHEN POWER REDUCED. SECOND ATTEMPT NORMAL. RT ENGINE PRESSURE RELIEF SHUT OFF VALVE SENSOR LINE INSPECTED AND TIGHTENED.Jan 16, 1999 · Boeing 75723ASDR MASA98207Annunciator · malfunctionedFLT 6411 - PHX-IFP - AFTER DEPARTURE FROM PHX, CREW REPORTED THE LEFT BLEED AIR FAIL ANNUNCIATOR ILLUMINATED. THE CREW DECLARED AN EMERGENCY AND THE AIRCRAFT RETURNED TO PHX. THE ITEM HAD BEEN PREVIOUSLY DEFERRED PER MEL 21-3. NO MAINTENANCE ACTION WAS REQUNov 18, 1998 · N78YV · Beech 1900DSDR CA981125022B Nut · loose(CAN) AIR RETURN DUE RT ENGINE BLEED OVERHEAT EICAS MESSAGE ON TAKEOFF. REPLACED BLEED CONTROL CARD PER MM. FOUND B-NUT ON DUCT PRESSURE SENSE LINE LOOSE, TIGHTENED.Oct 31, 1998SDR HEEA0016271Switch · malfunctionedBLEED CAUTION LIGHT INTERMITTENTLY COMES ON.Oct 22, 1998 · N911MJ · Skrsky S76ASDR CA981013012Connector · corroded(CAN) WHEN GROUND POWER SELECTED ON CIRCUIT BREAKER, NR 5B FOR BLEED CONTROL TRIPPED. INVESTIGATION FOUND THE CROSS-OVER CANNON PLUG 9811-P55 BELOW THE CENTER FLOOR ADJACENT TO LAVATORY CORRODED. PLUG REPLACED AND WIRE NR 2121-2G22 REPLACED. PART TC: 23,55Sep 28, 1998 · Dhav DHC8102SDR C2XA98CL063Switch · leakingCLE - FLT 4399 - CREW REPORTED THAT AFTER TAKEOFF THE LEFT ENGINE DUCT LEAK LIGHT ILLUMINATED AND WOULD NOT EXTINGUISH. THE LEFT ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED SEVERAL COAug 12, 1998 · N16731 · Emb EMB120RTSDR PLGA980729ASensor · malfunctionedMNT - FLT 4400 - WHILE IN FLIGHT, THE RIGHT ENGINE BLEED AIR LEAK LIGHT ILLUMINATED. CREW FOLLOWED PROCEDURES AND SHUT DOWN THE RIGHT ENGINE. AIRCRAFT DIVERTED TO MNT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND RIGHT NACELLE AND WING ROOT LEAK SENSOR AT Jul 29, 1998 · N348BE · Saab 340BSDR C2XA98CL048Sensor · malfunctionedGRR - FLT 3069 - CREW REPORTED THE LEFT ENGINE DUCT LEAK LIGHT ILLUMINATED DURING APPROACH, ALOS THE LIGHT WOULD NOT EXTINGUISH ON THE GROUND. AIRCRAFT WAS MAINTENANCE FERRIED TO CLE AND THE LEFT WING/FUSELAGE FAIRING DUCT LEAK SENSOR WS REMOVED AND REPLACED Jun 29, 1998 · N17728 · Emb EMB120RTSDR COMA9810132Switch · malfunctionRIGHT HAND BLEED AIR OVERHEAT WARNING DURING FLIGHT. REPLACED THE BLEED AIR OVERHEAT SWITCH.Jun 4, 1998 · N261CA · Emb EMB120RTSDR AU971653Switch · mis installed(AUS) LH AND RH BLEED AIR SENSE LINES TRANSPOSED. LH LINE CONNECTED TO RH SWITCH AND VICE VERSA. A HOLE IN THE RH SENSE LINE ACTIVATED THE LH BLEED AIR WARNING. SEE MDR 97/1609 FOR MORE INFORMATION.Dec 25, 1997 · Beech 200BEECHSDR AU971609Switch · mis wired(AUS) LH BLEED AIR WARNING SWITCH PRESSURE LINE TRANSPOSED WITH RH SWITCH. RH BLEED AIR SENSE LINE CONTAINED A SMALL HOLE WHICH HAD ACTIVATED THE (INCORRECT) WARNING LIGHT. PERSONNEL/MAINTENANCE ERROR.Dec 15, 1997 · Beech 200BEECHSDR CA971216056Line · melted(CAN) BLEED AIR WARNING LINE HAD MELTED WHICH GAVE READING OF BLEED AIR FAIL LIGHT. NO FAILURE OF BLEED AIR SYSTEM JUST LACK OF INSULATION BY DISTRIBUTION BOX.Nov 20, 1997 · Beech A100SDR AU971415Electrical Sys · contaminated(AUS) BLEED AIR SYSTEM ELECTRICAL CIRCUIT CONTAMINATED WITH WATER DUE TO HEAVY RAIN.Oct 31, 1997 · Dhav DHC8102SDR PLGA971001ASwitch · failedBOS - FLT 4253 - AFTER TAKEOFF, THE LEFT BLEED AIR OVERPRESSURE LIGHT ILLUMINATED AND THE BLEED VALVE CLOSED. AIRCRAFT RETURNED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LEFT BLEED OVERPRESSURE SWITCH HAD FAILED. SWITCH WAS REPLACED AND SYSTOct 1, 1997 · N751BA · Saab SF340ASDR REXA97187T4.5 Bias Trim · out of adjustTEMPERATURE REACHED 941 DEGREES CELSIUS AT 108 PERCENT TORQUE ON TAKEOFF ROLL. ADJUSTED T4.5 BIAS TRIMMER. (X)Jul 1, 1997 · N935MA · Saab SF340ASDR 97ZZZM651Sense Tube · damagedRIGHT BLEED AIR FAIL ANNUNCIATOR ILLUMINATED, DUE TO HOLE IN SENSE TUBING.Apr 23, 1997 · N846CA · Beech 1900DSDR GLBA97048Eva Tube · looseGRI - RIGHT 'BLEED AIR FAIL'. MAINTENANCE SECURED EVA TUBING. (M)Mar 26, 1997 · N208GL · Beech 1900DSDR CA970408007Bleed Air Detect · failed(CAN) DURING CLIMBOUT THE BLEED AIR DETECT ANNUNCIATOR LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO BASE. MAINTENANCE FOUND A PREVIOUS REPAIR HAD FAILED. THE TUBING WAS REPAIRED IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS AND THE AIRCRAFT RETURNED TO Mar 26, 1997 · Beech 200BEECHSDR GLBA97046Eva Tubing · looseDLH - RIGHT 'BLEED AIR FAIL'. MAINTENANCE SECURED EVA TUBING IN LEFT WING AREA. (X)Mar 25, 1997 · N225GL · Beech 1900DSDR 97ZZZM469Over Temp Sw · failedOKC - FLT 3601 - ON CLIMB-OUT AFTER TAKEOFF, CREW REPORTED STRONG ELECTRIC SMELL IN CABIN, FOLLOWED BY LT PACK FAULT INDICATION. AIRCRAFT RETURNED TO OKC LANDED WITHOUT INCIDENT. CONTRACT MAINTENANCE INSPECTED AIRCRAFT BUT NO OBVIOUS DAMAGE WAS NOTED. ITEM Feb 24, 1997 · N417AT · Aerosp ATR72212SDR MALA965266Caution Light · illuminatedFLT 3223 - ON CLIMB-OUT FROM LNK, THE NR 2 BLEED AIR HOT CAUTION LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO LNK. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. (M)Dec 28, 1996 · N852MA · Dhav DHC8102
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