JASC 3610

Service difficulty reports · 7,150

Reports filed under 3610 · Pneumatic Distribution 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 = '3610'
  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 AALA202511263637Regulator Valve · inoperativeAIRCRAFT WAS GROUNDED: AIR INTERRUPT BACK T MIA DUE TO ABNORMAL BLEED PRESSURE #2 ENGINE. FLIGHT LANDED OVERWEIGHT WITHOUT INCIDENT, NO EMERGENCY DECLARED. MAINTENANCE REPLACED # 2 ENGINE PRV IAWAMM 36-11-52, PRESSURE TRANSDUCER 8HA IAW AMM 36-11-16, BLEED PRENov 24, 2025 · N757UW · Airbus A319112SDR UIEA2025111901313Duct · damagedBLEED 2 DUCT LEAK RH STATUS MSG. R & R R4 PDU PNEUMATIC DUCT IAW AMM 27-81-03-002-001. OPS & LEAK CHECKED OK.Nov 19, 2025 · N472MC · Boeing 74745ESDR DALA2025111708380Bmc · faultedATB - DUE TO AN AIR ENG 1 BLEED FAULT WITH RT PACK ALREADY DEFERRED PER MEL. REPLACED BMC 1 AND LT ENGINE PRV. (LP 8138300)Nov 16, 2025 · N372DN · Airbus A321211SDR 2025F00271Regulator Valve · leakingPILOT REPORTED: "RIGHT BLEED TRIP OFF LIGHT ILLUMINATED IN FL 390. PERFORMED THE QRH AND THE LIGHT CAME BACK ON". THE PILOT ELECTED TO DO AN AIR TURN BACK AND LAND AT STA: KMIA. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED ENGINE AIR SYSTNov 14, 2025 · N945FL · Boeing 737800*SDR CALA2025111311180Control Valve · out of limitsRIGHT BLEED TRIP OFF LIGHT PERFORMED PNUEMATIC HEALTH CHECK PER MM 36-11-00-700-801. FOUND PRSOV,BAR, AND PRECOOLER CONTROL VALVE OUT OF LIMITS. REMOVED AND REPLACED BAR PER MM 36-11-03. REMOVED AND REPLACED PSROV PER MM 36-11-04. R/R PRECOOLER CONTROL VALVE PNov 11, 2025 · N17229 · Boeing 737824SDR DALA2025111208309Pressure Valve · faultedATB- DUE TO (AIR ENG 2 BLEED) ECAM MESSAGE WITH REPORTED SMELL IN CABIN. REPLACED MANIFOLD PRESSURE VALVE. (LP# 7582278)Nov 9, 2025 · N575DZ · Airbus A350941SDR NACA2025110700001Precooler · damagedNR 2 ENG PRE COOLER WAS DAMAGED. R & R NR 2 ENG PRE COOLER IAW AMM 36-11-15-004-003-001, AMM 36-11-15-404-080-005.Nov 7, 2025 · N563NC · Boeing 7673BGSDR FDEA202510282101Controller · failedCAC MANF DECAY CK AT FL380. FOLLOWING THE CHECK, LEVEL 1 AVNCS FAN OVRD, AIR SYS 3 OFF, AND AIR SYS 2 OFF. REMOVED AND REPLACED ENVIRONMENTAL SYSTEM CONTROLLER, ADJUSTMENT/TEST PASSED PER ABOVE REFERENCES. REMOVED AND REPLACED ENVIRONMENTAL SYSTEM CONTROLOct 28, 2025 · N642FE · Doug MD11FSDR AALA202510300050Controller · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: BLLED LIGHT APPEARED FOR LEFT ENGINE BLLED AIR, DIZZINESS AND POSSIBLE HYPOXIA. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT ABQ. REPLACED LEFT HAND ENGINE PRSOV-PRESSURE REGULATOR AND SHUTOFF VALVE (AALA20Oct 27, 2025 · N329SL · Boeing 7378SDR AALA202510307135Valve · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: BLLED LIGHT APPEARED FOR LEFT ENGINE BLEED AIR, DIZZINESS AND POSSIBLE HYPOXIA. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT ABQ. REPLACED LEFT HAND ENGINE PRSOV-PRESSURE REGULATOR AND SHUTOFF VALVE (AALA20Oct 27, 2025 · N329SL · Boeing 7378SDR AALA202510309430Shutoff Valve · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: BLLED LIGHT APPEARED FOR LEFT ENGINE BLEED AIR, DIZZINESS AND POSSIBLE HYPOXIA. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT ABQ. REPLACED LEFT HAND ENGINE PRSOV-PRESSURE REGULATOR AND SHUTOFF VALVE (AALA20Oct 27, 2025 · N329SL · Boeing 7378SDR CALA2025102910716Sensor · faultedCHIME ALERTED LEFT ENGINE BLEED TEMP NEARING BLEED TRIP OFF, DURING CRUISE AND DESCENT. THE BLEED REPORT CAPTURED THAT THE PRE-COOLER OUTLET TEMPERATURE REACHED AS HIGH AS 490 °F, RESULTING IN A LOW BLEED DUCT PRESSURE OUTPUT OF 17 PSI. (SYSTEM HAS GONE INTO Oct 26, 2025 · N68817 · Boeing 737924ERSDR DALA2025102707893Acm · leakingATB - DUE TO A RT WING BLEED LEAK MESSAGE AT FL350. WING A/I WAS NOT BEING USED. LEAK FOUND IN RT PACK BAY. REPLACED RT ACM OUTLET JOINT SEALS. (LP 8025030)Oct 25, 2025 · N580DT · Airbus A321271NXSDR CALA2025102710616Isolation Valve · faultedAIR X BLEED FAULT ON CLIMB OUT PFR SHOWS 36-12 AIR X BLEED FAULT W/ CORRELATED MSG'S 36-11-34 BMC 1 OR SOLENOID, 36-12-00 X FEED VALVE 6HV AND 36-12-00 X FEED VALVE 6HV OR CKT. ACP BMC 1 & 2 BITE CHKS GOOD ON THE GRND ALSO OPERATED X BLEED SWITCH AND ALL ECAMOct 24, 2025 · N838UA · Airbus A319131SDR CALA2025102410499Valve · faultedLEFT BLEED TRIP OFF LIGHT ILLUMINATED REPEAT WRITE UP. NR 1 ENG HIGH STAGE REGULATOR (HSR) FAIL HEALTH CHECK TEST REGULATOR, REMOVED N REPLACED HI STAGE REGULATOR REF AMM 36-11-07 OPS CHECKS GOOD. PERFORMED HEALTH CHECK FOR 1 ENG, FOUND BLEED AIR REGULATOOct 21, 2025 · N61882 · Boeing 737924ERSDR YENA2025102101050Warning Message · false activationFLT#353, YHZ-DUB. (ETOPS) "MX AIR BLEED STATUS MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED ); PERFORMED GROUND SCANNING AND BITE TEST PER AMM 36-11-00. NO FAULTS NOTED. CAN NOT DOct 19, 2025 · N2180J · Airbus A321271NXSDR YENA2025102101046Valve · brokenFLT#2220, LHR-JFK. (ETOPS) (AIRCRAFT PERFORMED AN AIR RETURN TO LHR) "AIR ENG 2 BLEED FAULT; FOUND FAN AIR VALVE ROD BROKEN REMOVED AND REPLACED FAN AIR VALVE REF AMM 36-11-54 ENG RUN OK NO FURTHER FAULTS NOTED A/C OK FOR SERVICE."Oct 17, 2025 · N4083J · Airbus A321271NXSDR CALA2025101610188Controller · faultedBLEED FAMV R EICAS STATUS RIGHT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN O R CLOSED, OR RT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. CMC MSG 3610325, AIR SUPPLY & CABIN PRES SURE CONTROLLER (R) PRESENT LEG FAULTS AND EXISTING FAULTS. Oct 14, 2025 · N2645U · Boeing 777300ERSDR HALA20251015319Rod · damagedETOPS - RETURN TO GATE AFTER ENG. START DUE TO ENG.1 BLEED FAULT. FOUND FAN AIR VALVE ACTUATOR ROD DAMAGED. REMOVED AND REPLACED ACTUATOR ROD PER AMM 36-11-54-400-803-A. OPS CHECK OF FAN AIR VALVE ACTUATION GOOD W/IDLE RUN. NO FAULTS NOTED. OK FOR SVC.Oct 14, 2025 · N226HA · Airbus A321271NSDR SWAA2025101323353Regulator · malfunctionedAIRPLANE WAS NOT ABLE TO PRESSURIZE IN AUTO MODE. CABIN CLIMB GAGE WAS ERRATIC. OK ON MANUAL MODE. PERFORMED FIM 36-10 TASK 810. FOUND #2 ENGINE HIGH STAGE REGULATOR REGULATES CONTROL PRESSURE TOO LOW. REMOVED AND REPLACED #2 ENG. HIGH STAGE REGULATOR IAW AMOct 9, 2025 · N917WN · Boeing 7377H4SDR CALA2025100809803Shutoff Valve · faultedRIGHT ENG BLEED OFF EICAS MSG DURING INITIAL CLIMB. TRIED 1 RESET PER FM. NO HELP. PERFORMED READ-OUT PER AMM ON THE AIR BLEED MODULE AND THE MODULE GIVES A PRSOV FAULT. EXCERCISED PRSOV AND IT APPEARS TO BE STIFF TO MOVE. RT ENG PRSOV REMOVED IAW AMM 36-11-Oct 5, 2025 · N669UA · Boeing 767322SDR YENA2025092300961Valve · failedFLT#32, AMS-BOS. (ETOPS) "REMOVED NEO FAN AIR VALVE AS ROD WAS DAMAGED NEEDS INSTALLATION; INSTALLED NEW FAN AIR VALVE & ROD IAW AMM 36-11-54 ALL OPS TEST PASSED A/C OK FOR SERVICE # 1 ENG."Sep 21, 2025 · N4077J · Airbus A321271NXSDR HALA20250919283Bmc · damagedETOPS - AIR L WING LEAK DET FAULT ON ECAM. FOUND BMC 2 BOX DAMAGED. REMOVED AND REPLACED BMC 2 PER AMM 36-11-34. CONDITION SAME. REMOVED BMC 1 & BMC 2 OPEN C/B'S C73 & T34. LOOP CONNECTORS AT 382HF DISCONNECTED PER AMM 36-22-00-810-909-A. 382HF 275OHMS TO BMC Sep 18, 2025 · N379HA · Airbus A330243SDR AJXA2025090800037Tube · rupturedDURING CLIMB PILOT RECEIVED EICAS MESSAGE "PAC HP VLV OPN L-R"Sep 5, 2025 · N917PG · Cessna 750SDR AALA202509023828Regulator Valve · inoperativeAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING THAT AFTER TAKEOFF THEY RECEIVED AIR BLEED 2 FAULT AND THE #2 BLEED VALVE WOULD NOT OPEN. THE AIRCRAFT LANDED SAFELY AT MIA AND TAXIED TO THEAug 31, 2025 · N163AA · Airbus A321231SDR ABXA20250830204Controller · inoperativeDURING TAXI OUT, NO AIR OFF OF RIGHT ENGINE AFTER ENGINE START,.A/C RETURNED TO GATE (BTB). MTX GROUNDED A/C MTX PERFORMED FIM 36-11 TREE 837, REMOVED AND REPLACED PRC/PRVC IAW B767 AMM 36-11-19 OPS TEST GOOD A/C RELEASED NO ETOPS. AND RETURNED A/C TO SERVICE.Aug 30, 2025 · N760CK · Boeing 767341SDR UIEA2025082101132Shutoff Valve · faultedBLEED OFF ENG R EICAS WITH APU ALREADY ON DEFERRAL. REPLACED RH ENG HPSOV PER AMM 36-11-07 & IPC 36-11-02-0113. OPS CHECK NORMAL. PERFORMED ENG RUNS & ACCOMPLISHED ENG AIR SUPPLY OPS TEST PER AMM 36-10-00. OPS CHK GOOD. NO FAULTS NOTED. ALSO, R & R PRSOV CONAug 21, 2025 · N760GT · Boeing 777FSDR DXTA2025082204650Precooler · leakingIN FLIGHT CLIMBING FROM 29000 TO 35000 FT WE SMELLED AN ELECTRICAL BURNING TYPE SMELL AND HAD A RED CAS MSG PACK LEAK. WE RAN THE QRH CHECKLIST AND GOT A A/C TEMP HI AMBER CAS. WE LANDED WITHOUT EVENT. I BELIEVE THIS IS A REPEAT WRITE UP. WHILE AIRCRAFT PRESSUAug 19, 2025 · N796QS · Bombdr BD1001A10SDR CALA2025082007975Pressure Sensor · faultedBLEED OFF ENG R EICAS ADVISORY RIGHT ENGINE BLEED VALVE CLOSED FOR SYSTEM FAULT OR SWITCH OFF, AND THE ENGINE IS NOT SHUTDOWN. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 3610470 AIR SUPPLY & CABIN PRES SURE CONTROLLER (R) IP SENSOR FAIL 36-10470 FAug 17, 2025 · N78008 · Boeing 777224SDR CALA2025081807864Pneumatic System · contaminatedFUMES OR SMOKE IN CABIN PNEUMATIC POWER SUPPLIED BY ENGINE ENGIN E 1 STRONG SMELL OF OIL IN COCKPIT NOT IN CABIN ON TAKEOFF. MASTER C AUTION FLASHED FOR 1 SECOND. SPOKE WITH CREW ON ARRIVAL AND THEY CONFIRMED SMELL WS PRESENT DURING TAKEOFF AND DISSIPATED QUICAug 16, 2025 · N69830 · Boeing 737924ERSDR YENA2025081300831Warning Message · false activationFLT#778, LAS-BOS. (ETOPS) CLASS AIRBLEED MX MSG ON STATUS PAGE ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED ); TROUBLE & RESET BMC'S PER AMM 36-11-34. OPS CHECK NORMAL. NO FUTHER DEFECAug 13, 2025 · N2180J · Airbus A321271NXSDR AALA202508158279Sense Line · low pressureAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS SAY THERE IS A BURNT SMELL AROUND THE AFT GALLEY. ACCOMPLISHED SOF INITIAL T/S PER CARD 08L00021001. FOUND POTABLE WATER COMPRESSOR CONTINUOSLY RUNNING AND BURNT SMELL FROM HOUSING CAUSING ODOR IN CABIN. REMOVE AND REPLAug 12, 2025 · N944AN · Boeing 737823SDR AALA202508153246Compressor · burned outAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS SAY THERE IS A BURNT SMELL AROUND THE AFT GALLEY. ACCOMPLISHED SOF INITIAL T/S PER CARD 08L00021001. FOUND POTABLE WATER COMPRESSOR CONTINUOSLY RUNNING AND BURNT SMELL FROM HOUSING CAUSING ODOR IN CABIN. REMOVE AND REPLAug 12, 2025 · N944AN · Boeing 737823SDR AALA202508151303Compressor · failedAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS SAY THERE IS A BURNT SMELL AROUND THE AFT GALLEY. ACCOMPLISHED SOF INITIAL T/S PER CARD 08L00021001. FOUND POTABLE WATER COMPRESSOR CONTINUOSLY RUNNING AND BURNT SMELL FROM HOUSING CAUSING ODOR IN CABIN. REMOVE AND REPLAug 12, 2025 · N944AN · Boeing 737823SDR DALA2025081005958Seal · leakingDIVERTED TO DTW DUE TO A RT WING BLEED LEAK MESSAGE. REPLACED WING ANTI-ICE TAPPING SEALS AND DUCT CLAMP. PERFORMED CLEANING OF OHDS CONNECTORS AND APPLIED ELECTRICAL INSULATING COMPOUND.Aug 9, 2025 · N541DE · Airbus A321271NXSDR AALA202508117452Shutoff Valve · failedAIRCRAFT WAS GROUNDED: PACKS BEGAN TO PULSE WHAT SEEMED LIKE BETWEEN HIGH FLOW AND LOW FLOW, VERY LOUDLY. PULSING CONTINUED AT VARIOUS THRUST SETTINGS. A QUICK PASSING BURNING ELECTRIC SMELL WAS PRESENT, ODOR CLEARED WITHIN 30 SECONDS. MAINTENANCE MESSAGE 36-Aug 8, 2025 · N330TJ · Boeing 7378SDR ASMF202508040001Shutoff Valve · faultyDUCT PRESSURE INDICATION LOW DURING TAKEOFF, CLIMB AND CRUISE, ENGINE IS THE BLEED SOURCE. FRM 361 040 00Jul 28, 2025 · N950AM · Boeing 737852SDR YENA2025072800771Bleed Air Sys · faultedFLT#824, LAX-JFK. (ETOPS) "CLASS II AIR BLEED ON STATUS PAGE ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED )" (SUPPLEMENTAL INFORMATION TO FOLLOW)Jul 26, 2025 · N2105J · Airbus A321271NXSDR YENA2025072800773Bleed Air Sys · faultedFLT#1023, JFK-LAX. (ETOPS) CLASS II AIR BLEED MSG LOWER ECAM ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED); PERFORMED OPERATIONAL CHK OF BLEED SYSTEM WITH APU OPS CHK OK PER AMM 21-31-0Jul 25, 2025 · N2151J · Airbus A321271NXSDR YENA2025072500765Valve · failedFLT#2260, MAD-BOS. (ETOPS) "FAN AIR VALVE BODY HAS BEEN BROKEN CONNECTING ROD TO ACTUATOR ON #1 ENG; REMOVED AND REPLACED #1 ENG FAN AIR VALVE BODY IAW AMM 36-11-54. OPS CHK AND GROUND VERIFICATION OK."Jul 25, 2025 · N4058J · Airbus A321271NXSDR YENA2025072500766Band · damagedFLT#2220, LHR-JFK. (ETOPS) "DURING REMOVAL OF FAN AIR VALVE FOUND "V" BAND DAMAGED REF IPC 36-22-86-40 ITEM #340; REPLACED V BAND ON FAN AIR VALVE I/A/W 36-11-54 LEAK & OPS CHK OK A/C OK FOR SERVICE."Jul 24, 2025 · N4062J · Airbus A321271NXSDR HALA20250723229Transducer · faultedETOPS - RT PYLON BLEED PRESSURE ERRATIC IN ALL BLEED CONFIGURATIONS WITH LT AT CONSTANT PRESSURE. REMOVED AND REPLACED REG PRESSURE TRANSDUCER (8HAZ) IAW AMM 36-11-16. OPS CHECK AND LEAK CHECK GOOD.Jul 22, 2025 · N5827K · Airbus A330343SDR YENA2025072300754Valve · faultedFLT#20. LHR-JFK. (ETOPS) P2 TSI / ENGINE 2 FAN AIR VALVE AVIATAR IS SHOWING FAULTS FOR PRECOOLER (7150HM2) / FAN AIR-V (9HA2) WITH FAULT CODE 36-11-42. PLEASE INSPECT THE ENGINE 2 FAN AIR VALVE AND ACTUATOR FOR DAMAGE/WEAR. IF NO OBVIOUS DEFECTS ARE FOUND, PLEJul 21, 2025 · N4062J · Airbus A321271NXSDR SWAA2025071590453Bleed Air Sys · leakingRIGHT DUCT PRESSURE OFF THE SCALE HIGH @ 10;000 FEET RIGHT DUCT PRESSURE OFF THE SCALE HIGH @ 10000 FEET<[01] UPON INSPECTION; FOUND PRSOV LEAKING EXCESSIVELY. REMOVED AND REPLACED PRSOV IAW AMM 36-11-04.Jul 11, 2025 · N8657B · Boeing 7378H4SDR I5PA2025071168803Pilot Valve · faultedRIGHT HS PILOT FAILED PNEUMATIC HEALTH CHECK. R & R RH HS PILOT PER AMM. PERFORMED HEALTH CHECK. OPS CHK OK.Jul 11, 2025 · N688SL · Boeing 757230SDR I5PA2025071168802Shutoff Valve · faultedRIGHT HPSOV FAILED PNEUMATIC HEALTH CHECK. R & R RH HPSOV PER AMM. PERFORMED HEALTH CHECK. OPS CHK OK.Jul 11, 2025 · N688SL · Boeing 757230SDR YENA2025070900716Valve · failedFLT#1908, CDG-JFK. (ETOPS) "REF T/C A3625040-01 ON WO 1423764 FAN AIR VALVE REQ REPLACEMENT; REMOVED AND REPLACED FAN AIR VALVE IAW AMM 36-11-54 OPS CHK GOOD."Jul 8, 2025 · N4022J · Airbus A321271NXSDR NACA2025070700005Shutoff Valve · no testFOUND RH ENGINE PRSOV HEALTH CHECK FAIL. REMOVED AND REPLACED #2 ENGINE PRSOV AND CARRIED OUT TEST AS PER 767-300 AMM 36-11-09Jul 7, 2025 · N566NC · Boeing 7673BGSDR NACA2025070700004Sleeve · leakingRH HEAT EXCHANGER SLEEVE FOUND AIR LEAKAGE. REMOVED AND REPLACED RH AFT AIR CONDITIONER SURFACE BODY CROSS OVER DUCT SLEEVE SEAL AS PER AMM 36-11-00Jul 7, 2025 · N566NC · Boeing 7673BGSDR NACA2025070700002Shutoff Valve · no testFOUND RT ENGINE PRSOV HEALTH CHECK FAIL. REMOVED AND REPLACED THE NR 2 ENGINE PRSOV AND CARRIED OUT TEST IAW AMM 36-11-09 REV 145.Jul 7, 2025 · N566NC · Boeing 7673BG
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