JASC 3600

Service difficulty reports · 508

Reports filed under 3600 · Pneumatic 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 = '3600'
  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 AALA202609093868Regulator Valve · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TP PIT DUE TO THE FLIGHT CREW REPORTING AT FL 360 BLEED 1 AND 2 FAULT MESSAGES DISPLAYED RESULTING IN A LOSS OF PRESSURIZATION - THE FLIGHT CREW ACCOMPLISHED THE ECAM PROCEDURES WHICH RSep 6, 2026 · N741UW · Airbus A319112SDR TAMF20260902060Warning Message · illuminatedDURING TAKEOFF ROLL AT LAX, AIRCRAFT GENERATED AN ECAM , BLEED ABNORMAL / BLEED CONFIG WARNING AT APPROX 60 KNOTS, RESULTING IN A REJECTED TAKEOFF AND RETURN TO GATE FOR MAINTENANCE INSPECTION. NO DAMAGE OR INJURIES WERE REPORTED. PERFORMED BMC BITE TEST IAW Aug 31, 2026 · N330QT · Airbus A330243SDR SWAA2026082568398Sense Line · faultedATB DUE TO RH LOW BLEED & LT PACK FLUCTUATING. O/W LANDING._ R & R NR 2 ENGINE PRECOOLER BRAIDED SENSE LINE PER MM 36-12-00Aug 18, 2026 · N8673F · Boeing 7378H4SDR VNAA2026081923103Clamp · looseLEFT BLEED DUCT WARNING MSG IN FLIGHT FOLLOWED BY L BLEED CAUTION MSG AND A CABIN ALT MSG AT 10K FT. HAZE IN CABIN. PERFORMED LEAK CHECK OF LT ECS IAW AMM 21-51-00-790-801. FOUND V-BAND CLAMP AT AFT OF LT DUAL HEAT EXCHANGER LOOSE. REINSTALLED CLAMP (FIGURE 40Aug 17, 2026 · N530EA · Cndair CL6002C10SDR N6WA2026081702Sleeve · unsecureLEFT BLEED DUCT WARNING. RESECURED HASOV HEAT SLEEVE IAW AMM 21-61-08. NO LEAKS NOTED AT THIS TIME. OPS CHECKED GOOD.Aug 14, 2026 · N577GJ · Cndair CL6002C11SDR CALA2026071617839Bushing · missingBLEED TRIP OFF LIGHT COMES ON DURING CLIMB LIGHT NO. 2 DEBRIEF CREW. #2 ENG BLEED TRIP OFF LIGHT CAME ON DURING CLIMB AT ABOUT FL700. RESET PER FLIGHT CREW CHCKLIST, LIGHT STAYED ON THROUGH THE ENTIRE FLIGHT. REVIEW OF AVIATAR PNEU REPORT SHOWS PRECOOLER OUT Jul 14, 2026 · N68836 · Boeing 737924ERSDR ABXA20260622275Pneumatic System · faultedDURING TAXI, APU FAULT NO PNEUMATIC PRESSURE. RETURNED TO GATE (BTB). MX PROCEDURES CW. PLACARD INSTALLED. MBCB 7/2/26. A/C REMAINS NO ETOPS. A/C RETURNED TO SERVICE.Jun 22, 2026 · N1499A · Boeing 767328SDR 2026FA0000486Controller · faultedDURING CLIMB AIR ENG BLEED 1+2 FAULT. IAW AMM 36-11-42-04 CONF 00 THE BLEED AIR PRECOLLER RH ENG WAS REMOVED AND REPLACED, IAW AMM 36-11-53-04 CONF 00 THE OVERPRESSURE VALVE 5HA2 WAS R & R. IAW AMM 36-11-55-04 CONF 00 THE  BLEED PRESSURE REGULATOR VALVE CONTJun 3, 2026 · N567AV · Airbus A320214SDR CNMA2026040004Pressure Valve · inoperativeL HPSOV EICAS MSG, AND L BLEED LIGHT ILLUMINATEDApr 21, 2026 · N351AX · Boeing 76733ASDR CALA2026032014714Seal · wornAIR BLEED MSG - DUE TO HISTORY OF AIR BLEED MSG, AVIATAR IS SHOWING L WING LOOP A 36-22-16 DURING CRUISE FLT DO THE FAULT ISOLATION PER TSM 36-22-00-810-825-A TO CHK L-WING LOOP A FOR DISCREPANCIES. VERIFY NO BLEED LEAKS ARE PRESENT. CHK LOOP RESISTANCE AND IMMar 18, 2026 · N851UA · Airbus A319131SDR ABXA20260312102Shutoff Valve · defectiveDURING CRUISE, CABIN ALT WARNING PRESSURIZATION MODE AUTO 1 AND RT ENGINE BLEED MSG. CREW DONNED O2 MASK AND DECLARED AN EMERGENCY. (EDC). AIR TURN BACK TO TPA. (ATB). #2 ENG PRSOV REPLACED ON AMES NR 16641-0390. SEE AMES NR 16641-0389/16641-0390 FOR WORK CMar 12, 2026 · N312AA · Boeing 767223SDR YENA2026011400036Warning Message · illuminatedFLT # 2009 JFK-JFK (ETOPS). "REJECTED TAKE OFF APPROXIMATELY 60 KIAS DUE TO AIR -R WING LEAK.; REMOVED & REPLACED 1EA. BLEED AIR DUCY LOCATED TOP CENTER #2 ENGINE PYLON IAW MM 36-11-48-400-803-A. IDLE LEAK CHECK NORMAL. NO LEAKS. ACCOMPLISHED POWER ASSURANCE TJan 14, 2026 · N4064J · Airbus A321271NXSDR YENA2026010200008Relay · faultedFLT 872 SLC-JFK (ETOPS) PER TECH SUPPORT REQUEST REPLACE RELAY-APURV CMND (21HV).; REMOVED AND REPLACED RELAY APURV CMND (21HV) OPS CHECK GOOD.IAW ESPN-20-46-50. OPENJan 4, 2026 · N2142J · Airbus A321271NXSDR DALA2025122309355Shutoff Valve · faultedMISC - DECLARED EMERGENCY DUE TO "R BLEED FAIL" AND "ALPHA LIMIT" MESSAGES WHILE IN ICING. REPLACED THE HIGH PRESSURE SHUT OFF VALVE. (LP# 7694666)Dec 17, 2025 · N308DU · Airbus BD5001A11SDR CALA2025112811565Shutoff Valve · faultedENGINE ANTI-ICE AMBER LIGHT ON NR 2 ENGINE CAME ON. PER CREW ISSUE PRESENTED DURING CLIMB. REF FIM 36-21011 PILOT TRIED TO RECYCLE NO HELP. COMPLIED WITH MEL HPSOV IS DEACTIVATED CLOSED. MAINT PROCEDURE COMPLIED WITH. CB FOR NR 2 COLLARED. MSG INHIBITED. PLANov 24, 2025 · N47412 · Boeing 7379SDR 2025FA0000748B-Nut · looseDEPARTED KCPP HEADING TO KSDL. IN CRUISE ABOUT 1.5 HRS INTO FLT, CAPTAIN REPORTED DUAL BLEED LIGHTS CAME ON INDICATING A BLEED AIR LEAK IN THE TAIL SECTION. CAPTAIN REDUCED POWER & LIGHTS WENT OUT A COUPLE MINS LATER. CAME BACK ON WHEN POWER LEVERS ADVANCED. Nov 7, 2025 · N317MP · Lear 60LEARSDR SWIA202509220001Warning Message · illuminatedRIGHT 14TH DUCT WARNING MESSAGE WHEN CLIMBING THROUGH ABOUT 8000FT. RAN QRH. MESSAGE CLEARED. RETURNED TO ORD. (FLIGHT 5610) OPEN.Sep 20, 2025 · N218PS · Cndair CL6002B19SDR SWIA20250922019Loop · faultedLEFT BLEED DUCT WARNING, SWITCHED TO LT BLEED DUCT CAUTION. RAN QRH. (FLIGHT 5322) NO LT BLEED DUCT WARNING NOR CAUTION MESSAGES APPARENT. TROUBLESHOT LT BLEED DUCT WARNING IAW FIM 36-21-01. INTERROGATED MDC, FLAGGED B1 CODE 349536 (LT BLEED LOOP A FAILESep 19, 2025 · N790SK · Cndair CL6002C10SDR SWIA2025091900008Duct · warning messageR 10TH DUCT WARNING MSG DURING CLIMB AT 3500FT, APPLIED THE QRH MSG DISAPPEARED, RETURNED TO KORD WITH NO FURTHER ISSUE. (FLIGHT 5215 - FILED OPEN)Sep 18, 2025 · N218PS · Cndair CL6002B19SDR CALA2025091108792Valve · malfunctionedLEFT ENG HIGH STAGE EICAS C, THE LEFT ENGINE HPSOV IS CLOSED BECAUSE THE HIGH STAGE BLEED PRESSURETOO HIGH. CREW ABORTED TAKEOFF AT APPROX 20KTS. REF MEL 3611P FOR HPSOV DDP ACCOMPLISHED REQUEST MEL ON #1 ENG. MEL HAS BEEN COMPLIED WITH AND VALVE LOCKED OUTSep 7, 2025 · N77865 · Boeing 75733NSDR 2025FA0000530Seal · wornON 7/27/2025, N276BG DEPARTING KELP FOR A PASSENGER PICKUP IN KLRU, THE RH ENGINE BLEED LIGHT CAME ON INDICATING A LEAK IN THE PYLON AREA. THE CAPTAIN DECIDED TO RETURN TO ELP. THE RH PYLON PANEL WAS REMOVED AND ENGINE RUN COMPLETED, A SMALL BLEED AIR LEAK WASJul 27, 2025 · N276BG · Lear 60LEARSDR CALA2025072806985Sensor · faultedR ENG BLEED OFF ICAS WIT BLEED OFF LIGHT ON OVERHEAD ADDED PICS OF ASCTU RT ENG FAULT HISTORY PER CREW DEBRIEF, BLEED OFF AND PACK OFF WAS INTERMITTENT. REF HISTORY OF R BLEED OFF ON LEVEL OFF AND DESCEND PERFORM FIM 36-10 FT913 ALONG WITH PNEUMATIC HEALTH CHEJul 24, 2025 · N67052 · Boeing 767424ERSDR VNAA2025072311101Duct · leakingL BLEED DUCT CAUTION MSG IN FLIGHT. / UPON LEAK CHECK FOUND LEAK AT LH CONNECTOR DUCT FWD OF FLOW CONTROL VALVE AND AT APU BLEED AIR CHECK VALVE. REMOVED AND REPLACED CONNECTOR DUCT IAW AMM 36-19-03-000/400. PERFORMED LEAK TEST IAW AMM 36-10-00-790-801. LEAK Jul 17, 2025 · N546FF · Cndair CL6002C10SDR CALA2025060305223Shutoff Valve · faultedENG ANTI-ICE LIGHT ILLUMINATED IN FLIGHT SEE LOG PAGE 5050989. PRSOV AND INTERMEDIATE MANIFOLD PRESSURE SENSOR REMOVED AND REPLACED REF AMM 36-11-04-801 AND 36-11-05-400-801. TEST PASSED DUCT PRESS NEEDLES SPLIT 10-20 PSI DIFFERENCE ON GROUND AND IN C LIMB - RJun 1, 2025 · N17279 · Boeing 7378SDR AALA202505197868Shutoff Valve · seizedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: DURING CLIMB LEFT BLEED TRIP OFF ANNUNCIATOR ILLUMINATED, LEFT BLEED TRIP OFF ANNUNCIATOR REMAINED ILLUMINATED AFTER QRH. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT ORD. REMOVED AND REPLACMay 15, 2025 · N935AN · Boeing 737823SDR VNAA2025051311101Clamp · looseL BLEED DUCT WARNING MSG. / INSPECTED LOOP IN AEB AND FOUND BLUE ADEL CLAMP THAT HOLD BOTH LOOPS IN PLACED EXTREMELY LOOSE (HOLDING BY ONE THREAD) CAUSING BOTH LOOPS TO TOUCH. RETORQUED CLAMP PER AMM 20-21-00-910-801-A01 AND 36-21-00-910-801-A01. NO OTHER DEFEMay 12, 2025 · N527EA · Cndair CL6002C10SDR N6WA2025042401Duct · crackedL BLEED DUCT MASTER WARNING WITH CABIN PRESSURE DROP. INSPECTED AN FOUND BLEED DUCTS CRACKED AT THE RH PACK PRECOOLER BYPASS DUCT AND THE BLEED AIR CROSSOVER DUCT, BLOWING HOT AIR ONTO THE LEFT SIDE BLEED LOOPS. REF. LOG PAGE 581053 DISCREPANCY 1 AND DISCREPAApr 21, 2025 · N569GJ · Cndair CL6002C11SDR DALA2025041502938Line · defectiveSHIP 3801 -MISC/DE- DECLARED EMERGENCY ON DESCENT TO DTW DUE TO RIGHT ENGINE LOW DUCT PRESSURE AND ENGINE VIBRATION. CORRECTIVE ACTION: REPLACED PRSOV CONTROL PRESSURE LINE, PRSOV, HSV AND AC MODULE. OPS CHECKS GOOD.Apr 13, 2025 · N801DZ · Boeing 737932ERSDR ANCF20250330005Sense Line · leakingENGINE 2 BLEED FAULT IN FLIGHT DUE TO PNEUMATIC AIR LEAK WAS REMOVED AND REPLACED THE SENSE LINE BTW THE PRV AND THE PYLON INTERFACE ON ENGINE #2 I.A.W AMM 36-11-49-000/400-026-A REV 71 REV DATE 01-FEB-2025 AND PERFORMED LEAK CHECK I.W.A AMM 36-11-52-790-001-AMar 30, 2025 · N862AV · Airbus A320214SDR AALA202503271775Duct · blownAIRCRAFT WAS GROUNDED: AFTER TAKEOFF NAC TEMP FLASHING ON RIGHT ENG. TEMP UP TO 380.EGT RIGHT ENGINE 630. NAC TEMP REMAINS FLASHING AT 320 IN SLOWCRUISE. RT ENG MADE SURGING SOUND AT THRUST SET AT TAKEOFF. NO ASYMMETRIC THRUST FELT. AIRCRAFT DIVERTED TO TUMar 24, 2025 · N650AW · Airbus A320232SDR CALA2025031902943Valve · faultyDUCT PRESSURE INDICATION LOW (BELOW 18 PSIG) DURING TAKEOFF, CLI MB AND CRUISE; THE ENGINE IS THE BLEED SOURCE PER TECH SUPPORT REMOVED AND REPLACE THE HIGH STAGE VALVE. PERFORMED TASK 36-11-06-000-801 UP TO AND INCLUDING 2.D.(3)(E)29-3611-9-0002,QTY :1 FOR TRMar 16, 2025 · N37277 · Boeing 737824SDR JJBA20250318017Support Bracket · crackedRH PYLON, PRECOOLER FWD SUPPORT BRACKET FOUND CRACKED. RH PYLON PRECOOLER FWD SUPPORT BRACKET REPLACED.Mar 14, 2025 · N24128 · Emb EMB145XRSDR GTIA2025031038793Seal · faultyAIR WING LEAK R PASSING THROUGH 27K FEET-TIGHTENED CLAMP ON PACK 2 IAW AMM 21-52-41. R&R PERI SEALS ON WING BLEED AIR SYSTEM IAW AMM 36-11-48. OPS CHECK GOOD AT THIS TIMEMar 9, 2025 · N667NK · Airbus A321231SDR HALA20250227073Solenoid · no testETOPS - PRV SOLENOID TEST FAILED- REF W/O # 340011 AND T/C # E1128-330-36-026-RH. REMOVED AND REPLACED PRV SOLENOID VALVE IAW A330 AMM 36-11-55. OPS CHECK GOOD.Feb 26, 2025 · N5879K · Airbus A330343SDR AALA202412103057Seal · leakingAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO SEA DUE TO THE FLIGHT CREW REPORTING A LEFT WING BLEED AIR LEAK CAUTION MESSAGE. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES AND LANDED SAFELY AT SEA WITHOUT FURTHER INCIDENT. **SUPPLEMENTAL REPORT FORDec 8, 2024 · N140AN · Airbus A321231SDR N6WA2024120101Sensor · out of positionR BLEED DUCT MASTER WARNING INFLIGHT. FOUND MT204 TOUCHING AIRFRAME. ADJUSTED POSITION IAW CRJ AMM 36-21-00 AND PERFORMED OPS CHECK IAW CRJ AMM 36-21-00, OPS CHECKED GOOD.Nov 27, 2024 · N557GJ · Cndair CL6002C11SDR 2NEA20241106120Modulating Valve · malfunctionedAFTER TAKEOFF AND GEAR RETRACTION THE FLIGHT CREW NOTED SMOKE EMITTING FROM THE CONDITIONED AIR DUCTS, AND NUMBER 1 ENGINE HIGH ITT, CREW RETURNED TO FIELD. AFTER RETURNING AND BEING CHECKED BY ARFF CREW NOTED THE CABIN TEMPERATURE WAS HOT. SUBSEQUENT ENGINE RNov 6, 2024 · N220CK · Lear 35ASDR CALA2024110501021Shutoff Valve · faultyON TAKEOFF AT 1000 FT EICAS L ENG BLEED PER TOMC ATTEMPTED RESE T. BLEED OK NOW LOCKED FOR FIX CONFIRMATION TOMC UNLOCKS FOR REPAIR REPORTS PERFORMED PNEUMATIC HEALTH CHECK IAW AMM 36-23-00-745-005-001. FOUND FAULT HPSOV FAILED OP AND PRV FAILED OP ON ASCTU.Nov 2, 2024 · N76054 · Boeing 767424ERSDR QXEA2024110400253Gasket · missingFLIGHT 2041. ON CLIMB OUT AROUND 18,000 FT BLEED 2 LEAK CAUTION MSG. RAN CHECKLIST. MESSAGE REMAINED. ON LANDING BLEED 2 FAIL MESSAGE. REMOVED FROM SERVICE. C/W E175 FIM TASK 36-11-00-810-837-A FOR FC 36113001AMR. FOUND NVM READS BLEED 2 OVERHEAT CONDITION AT Oct 31, 2024 · N622QX · Emb ERJ170200LRSDR CALA2024101700848Shutoff Valve · faultedENGINE 1 OVERHEAT LIGHT ON CLIMBOUT. SWITCH WAS IN A POSITION W B LOOP ON MEL. REPLCD. ENG AND APU FIRE CONT. PANEL REF AMM26-00-01-400-801, AND ACP APU FIRE DET OPS TEST REF AMM26-15-00-710-801, ENG FIRE DET. OPS TEST REF AMM26-11-00-710-801, FIRE AND OVHT DEOct 13, 2024 · N66837 · Boeing 737924ERSDR YENA2024101401345Sense Line · failedFLT#20, LHR-JFK. (ETOPS) ' ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED ); FOLLOWED TSM 36-11-00-810-AA-A PERFORMED DRIFT TEST OF THE PRESSURE SENSOR IAW AMM 36-11-00-740-805. MX MSG APOct 12, 2024 · N4077J · Airbus A321271NSDR ABXA20241012187Isolation Valve · faultedDURING TAXI R ISLN VALVE LIGHT ON, NO AIR FOR START AC RETURNED TO GATE AND MAITENANCE GROUNDED AC. MTX CYCLED RIGHT ISOLATION VALVE 3 TIMES SUCCESSFULLY PER AMM 36-11-04. AIRCRAFT REMAINS NO ETOPS. RETURNED AC TO SERVICE .Oct 12, 2024 · N1327A · Boeing 76737DSDR YEN20240930003Computer · failedFLT#8417, BOS-JFK. (ETOPS) 'BMC FUNCTIONAL TEST NOT RESPONDING; REMOVED AND REPLACED BMC2 COMPUTER IAW AMM 36-11-00. OPS CHECK GOOD. A/C OK FOR CONT SVC.' (SUPPLEMENTAL ADDED TO CORRECT DESCRIPTION)Sep 27, 2024 · N4058J · Airbus A321271NSDR YENA2024092701308Computer · failedFLT#8417, BOS-JFK. (ETOPS) 'BMC1 FUNCTIONAL TEST NOT RESPONDING; REMOVED AND REPLACED BMC2 COMPUTER IAW AMM 36-11-00. OPS CHECK GOOD. A/C OK FOR CONT SVC.'Sep 27, 2024 · N4058J · Airbus A321271NSDR YENA2024092701307Computer · failedFLT#8417, BOS-JFK. (ETOPS) 'BMC1 FUNCTIONAL TEST NOT RESPONDING; REMOVED AND REPLACED BMC1 COMPUTER IAW AMM 36-11-00. OPS CHECK GOOD. A/C OK FOR CONT SVC.'Sep 27, 2024 · N4058J · Airbus A321271NSDR SWIA202409230001Duct · warning messageDURING CLIMB AROUND FL 220 RECEIVED L BLEED DUCT WARNING MESSAGE (FLIGHT 4841 - FILED CLOSED) TROUBLESHOT L BEED DUCT WARNING MESSAGE PER CRJ-700 FIM 36-21-01, B1 CODE: 349537 (LOOP B 142, 29% AND 43%), 007181 (LOOP A 141, 0%). FOUND CBP-1 D7 POPPED UPOSep 20, 2024 · N772SK · Cndair CL6002C10SDR 2024FA0000671Pin · brokenON CLIMB OUT AROUND 17000', 'L BLEED LEAK' CAS POSTED.Aug 29, 2024 · N311GS · Bombdr BD1001A10SDR GTIA2024082438324Cable · openAFTER T/O AIR L WING LEAK DET FAULT.-PERFORMED TSM 36-22-00. FOUND ON BMC 1 OPEN LINE ON PIN 3B &4B. R&R INTER CONNECTING CABLE (90 HF) IN REF W/ AMM 36-22-18. BITE TEST OK. NO DEFECTS OR ECAM MESSAGES PRESENT.Aug 20, 2024 · N611NK · Airbus A320232SDR HALA20240716193Duct · contaminatedATB - AFTER TAKEOFF PRIOR TO THRUST REDUCTION, BURNING ELECTRICAL AND CHEMICAL SMELL OBSERVED IN THE COCKPIT. TAKEOFF THRUST WAS TOGA. PERFORMED DECONTAINATION OF THE BLEED AIR DUCTS LEVEL C AMM 36-10-00-615-806-A. NO BURNING SMELL WHEN PACKS 1 AND 2 ON AND OFJul 15, 2024 · N227HA · Airbus A321271NSDR CALA2024070301958Sense Line · crackedAT CRUISE RT DUCT PRESS URE WENT TO 11 PSI 41LT STAYED LOW DURI NG DESENT IDLED BOTH ENGINES. #2 ENGINE PRODUCED BELOW 0 PSI SENSE LINE CRACKED.Jul 3, 2024 · N77258 · Boeing 737824
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