JASC 2100

Service difficulty reports · 1,354

Reports filed under 2100 · Air Conditioning 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 = '2100'
  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 CALA2026101920449Valve · faultedFWD EQPT VALVE CAUTION MSG ON CLIMB OUT. TRIED TO CLOSE FWD EQUIP VAL PER FLIGHT MANUAL NON-NORMAL 2.20.45 VALVE AND MESSAGE WOULD NOT CLEAR. NEED TO MANUALLY CLOSE IAW MEL 2158S PROCEDURE 1. PERFORMED MAINTENANCE PROC ACCORDING MEL 2158S. ENSURED EXHAUST VALOct 14, 2026 · N67052 · Boeing 767424ERSDR ABXA20260920416Valve · malfunctionedFWD EQUIPMENT VALVE EICAS AFTER LANDING. MTC PERFORMED OPERATION TEST OF EQUIPMENT COOLING PER AMM 21-58-00 OPS CHECK GOOD AIRCRAFT REMAINS ETOPS 180 MIN. FWD EQUPMENT VLV RETURNED ON EICAS DURING TAXI. CREW RETURNED TO THE GATE (BTB). MTC DEFFERED FWD EQUIPMESep 20, 2026 · N1427A · Boeing 767306SDR 2026FA0000737Evaporator · leakingWATER DISCOVERED POOLING IN LOW AREAS UNDER FLOOR LEADING TO WETTING OF INSULATION, CLOGGING OF EVAPORATOR DRAINS, AND PREMATURE FAILURE OF LOWER ANTI-COLLISION BEACON LIGHT DUE TO MOISTURE EXPOSURE AND CORROSION. CONDITION DISCOVERED ON FOUR DIFFERENT FLEET Sep 17, 2026 · Beech B200GTSDR ASAA2026091168670Converter · faultedDURING DEPT FLIGHT DECK ONLY HAD MILD OIL SMELL. WENT AWAY AT AROUND 5000'. AGAIN DESCENDING THROUGH APPROX 5000' STRONGER OIL SMELL IN FLIGHT DECK ONLY UNTIL ARRIVAL AT GATE. GROUNDED - YES. R & R LT OZONE CONVERTER REF AMM 21-73-01, R & R LT RECIRCULATION FASep 11, 2026 · N494AS · Boeing 737990ERSDR CALA2026083119028A/C Pack · malfunctionedLEFT PACK OFF LIGHT NOT LIGHT DURING L ENG START. SMELL OF FUEL, POST START WITH PACK OFF. REF TO LP 3111827 FOR WORK PERFORMED, DURING ENG START LT PACK OFF LIGHT WAS ILLUMINATED AND NO FUEL ODOR WAS NOTED, FOLLOWING ENG START WITH PACK OFF / PACK ON OPERAug 26, 2026 · N57855 · Boeing 757324SDR 141A2026080400001Circuit Breaker · trippedLEFT VENT BLOWER CIRCUIT BREAKER POPPED OUT. SMELL OF SMOKE IN COCKPIT. DID A GATE RETURN.Aug 4, 2026 · N1983X · Cessna 208BSDR DXTA2026072708974Bypass Valve · faultedON CLIMB OUT FROM KLAS PASSING 10,000FT WE GOT AN AMBER EMERGENCY EXIT CAS MSG. LEVELED OFF AT 12,000FT & RAN THE QRH CHECKLIST. IT WAS NOTED THAT AT SPEEDS ABOVE 300KTS A DISTINCT VIBRATION WAS FELT IN THE CONTROL COLUMN AS WELL AS THE FUSELAGE. SLOWED TO 290Jul 23, 2026 · N790QS · Bombdr BD1001A10SDR DALA2026071604195Oil System · overservicedBRIEF BURN LIKE ODOR SMELLED THROUGHOUT AIRCRAFT, STRONGER IN BACK OF AIRPLANE. STARTED JUST AFTER ROTATION, DISSIPATED AFTER 30 SECONDS. NO FURTHER ODOR NOTED ON FLIGHT. PERFORMED T/S OF SMOKE AND FUMES IN THE CABIN PER W/C 0550-2001. FOUND ENG NR 1 OIL OVER Jul 15, 2026 · N330DU · Airbus BD5001A11SDR NI6R202606190066Regulator Valve · stuckDURING FLT, SMOKE IN CABIN, DURING SLOW CRUISE FLT OVER FIRE TRAFFIC AREA, PERFORMED QRH ITEMS, REMOVED SMOKE FROM CABIN. DEPARTED THE FTA TO KCDC LANDED WITHOUT FURTHER PROBLEMS. MX TROUBLESHOT SMOKE IN CABIN TO BE COMING FROM RT ENG. AFTER EXTENSIVE TROUBLEJun 18, 2026 · N840TW · Gulstm 690CSDR CALA2026061617126Bpcu · faultedCREW RETURNED TO THE FIELD FOR A STRONG ELECTRICAL ODOR COMING FROM THE VENTS LOCATED FROM BACK OF FIRST CLASS TO MIDDLE OF THE ACFT. NO ELECTRICAL SMELLS NOTED THROUGHOUT AIRCRAFT. RAN APU WITH PACKS ON & ALL RECIRC FANS OPERATING. NO LOAD SHED OF LAV/GALJun 14, 2026 · N26970 · Boeing 7879SDR AALA202604243410Air Duct · contaminatedAIRCRAFT WAS GROUNDED: AIR FROM GASPERS ON FLIGHT DECK SMELLS LIKE DIRTY SOCK. FLIGHT ATTENDANTS SMELLED IT DURING TAKEOFF, FLIGHT DECK REMAINED STRONG SMELL. ACCOMPLISHED JC08L00021001, DECONTAMINATED AIR CONDITIONING AND PNEUMATIC SYSTEM DUCTING. PER AMM 21-Apr 23, 2026 · N928NN · Boeing 737823SDR 4TXA2026050700324Control Module · intermittentINTERMITTENT WARNING HORN CABIN ALTITUDE LIGHT ILLUMINATED FL 270 CAB ALTITUDE SHOWING 11000 FT. FOLLOWED QRH AND LANDED THE AIRCRAFT IN MUCU SAFELY. EMERGENCY DECLARED.Apr 19, 2026 · N802TJ · Boeing 7374B7SDR IXX2026F00008Block · crackedR/H ECS BAY EXHAUST PHENOLIC BLOCK IS BROKEN.Apr 10, 2026 · N313AZ · Boeing 767338SDR ABXA20260331140Warning Message · illuminatedDURING TAXI OUT AND ENGINE START, FWD EQPT VALVE EICAS AFTER START LIGHT REMAINED ILLUMINATED WITH SWITCH IN STBY. CHECK AND APPROVED FOR DEFERRED IAW MEL 21-58-7-2-1 C/W MAINTENANCE PROCEDURES (21-58-7) MBCB 04/10/2026 A/C REMAINS NO ETOPS.Mar 31, 2026 · N760CK · Boeing 767341SDR CALA2026031814641Solenoid · corrodedPRESURIZATION SYS V/S FLUCTUATES + - 800FT CONSTANTLY CONSTANT LY IN FLIGHTCAPT REPORTS THE V/S FT/MN INDICATION ON CAB PRESS PAGE KEPT FLUCTUATING UP AND DOWN WHEN SWITCHED TO MANUAL MODE INDICATION WENT FULLY CLOSED. CAPT ALSO REPORTS BLEED 2 INDICATION WMar 16, 2026 · N839UA · Airbus A319131SDR YENA2026021800219Ecs · contaminatedFLT 968, PBI-HPN. CABIN/COCKPIT FUMES MOMENTARILY ON ASCENT B/T 5000-8000. THEN PROLONGED ON DESCENT FROM UPPER TEENS (17-19000) TO GROUND ALL CREW SMEELED IT. AIR SMELLS CLEAN ON APU BLEED.; C/W LEVEL A DECONTAMINATION PER INFO NOTICE 2017-T015M. REF LP 4458Feb 16, 2026 · N663JB · Airbus A320232SDR DXTA2026021106822Sensor · defectiveABOUT 5 MINUTES INTO FLIGHT, NOTICED A SLIGHT SMOKY ODOR & A MIN LATER, FA SAID SHE SMELLED SMOKE. SIC ALSO SMELLED SMOKE. WAS A STRONGER TOWARDS ZONE 3 & IT WENT AWAY & CAME BACK. SMELLED LIKE A CAMP FIRE SMOKE, BUT FA SAID IT SMELLED LIKE A CHEMICAL. NFeb 8, 2026 · N190QS · Bombdr BD7001A12SDR DALA2026011800403Actuator · failedDUE TO AIR PACK 1 2 FAULT ECAM WARNING AT FL320 (PACK 1 FAILED WITH PACK 2 ON MEL). REPLACED LEFT RAM AIR OUTLET ACTUATOR (9HH) AND LEFT FAN AIR VALVE THERMOSTAT (7170HM1). (LP: 7700178)Jan 16, 2026 · N338NW · Airbus A320212SDR KY7A2026011600038Cooling Turbine · fumesAIRCRAFT SMOKY WHEN IN FULL HOT. DRAINED 0IL OUT OF COOLING TURBINE REF SA227 MM CH 21-50-00Nov 24, 2025 · N787C · Swrngn SA227ACSDR CALA2025110610943Unknown · odorJET FUEL ODOR IN AFT GALLEY AREA DURING TAKEOFF AND LANDING. PERFORMED APU DRAIN MAST INSPECTION IN REF AMM 49-16-11. NO FUEL LEAK DETECTED PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION IN REF AMM 05-51-56. NO FUEL FUMES DETECTED IN CABIN. ENGINE RUNov 3, 2025 · N37521 · Boeing 7379SDR IPXA2025101465028Controller · faultedATB, LEVEL 2 AVIONICS AIR FLOW OFF AFTER TAKE OFF, RESULTED IN AIR TURNBACK REMOVED AND REPLACED ENVIRONMENTAL SYSTEM CONTROLLER IAW AMM 21-08-01-400-801. OPS CHECKED NORMAL. ALL TESTS PASSED. NO FAULTS SHOWN.Oct 14, 2025 · N255UP · Doug MD11FSDR HNAA2025100100653Mixer Box · odorAFTER T/O, CREW REPORTS STRONG BURNING SMELL, MORE RUBBBER THAN ELECTRICAL. RAR CONDENSER/ MIXER OPS CHECK GOOD.Oct 1, 2025 · N658AE · Emb EMB145LRSDR YENA2025091700944Ecs · contaminatedFLT#172, FLL-LGA. CABIN CREW REPORTED FUMES DURING DESCENT IN ROWS 10-15. SMELL OF CHEMICALS OR DIRTY SOCKS; COMPLIED WITH INO NOTICE 2017-T015, ACCOMPLISHED ECS DECONTAMINATION AND REPLACED HEPA FILTERS AND OZONE FILTERS, REF PAGE 4527976 AND 4527977. A/C OK Sep 15, 2025 · N641JB · Airbus A320232SDR HALA20250912277Vent · faultedDIV - COND MD VENT FAULT. DIV TO KSTL. AWAITING INFO AND RESOLUTIONSep 11, 2025 · N5879K · Airbus A330343SDR HALA20250910276Seal · brokenETOPS - F/A REPORTED FLOOR VIBRATION AND HUM ROW 15 THRU 19 A/C RIGHT ON CLIMB OUT, NOISE CHANGE WITH A/C SPEED . T/SHOOTING PERFORMED. FOUND HEAVY AIR LEAK BETWEEN PACK 1 FCV AND OZONE CONVERTER MATING SURFACES. BROKEN SEAL REPLACED AS PER AMM 21-51-51-865-05Sep 9, 2025 · N395HA · Airbus A330243SDR YENA2025090500914Computer · failedFLT#7, JFK-LHR. (ETOPS) "VENT AVNCS SYS FAULT AT THE GATE; PER MCC REQUEST REMOVED AND REPLACED AEVC COMPUTER IAW AMM 21-26-34 PERFORME TEST NO DEFECT TEST OK."Sep 4, 2025 · N4077J · Airbus A321271NXSDR CALA2025090308431Ecs · contaminatedDUE TO ENGINE 2 REMOVAL FOR OIL WETTING FOUND IN THE COMPRESSOR, REPLACE THE OZONE CONVERTER, DUAL HEAT EXCHANGER, CONDENSER / REHEATER AND FLIGHT DECK AIR DISTRIBUTION MUFFLER. REF FIM 21-00 TASK 808. PREVIOUS ENGINE REMOVALS FOR THIS CONDITION HAVE SHOWN OIAug 29, 2025 · N229UA · Boeing 777222SDR CNMA2025080001Fan · fault messageON CLIMB AT 5000 FEET R RECIRC FAN EICAS. AT 6500 FEET LOUD BAND AND YAW AND R RECIRC FAN EICAS EXTINGUISHED. WE HAD A BURNING SMELL, ENGINE INDICATIONS NORMAL. VIBRATION ON DECENT BUT ENGINE INDICATIONS NORMAL. OIL SMELL BACK OF CABIN AFTER SHUTDOWNAug 27, 2025 · N468AX · Boeing 76736NSDR M3XA20250720004Relay · overheatedPILOT PERFORMED A PRECAUTIONARY LANDING FOR A BURNING SMELL IN THE CABIN. DURING INSPECTION OF THE ACFT THE MECHANIC FOUND A RELAY WITH SIGNS OF HIGH HEAT. MECHANIC REPLACED RELAY PN 389FXAXC1-24D. FUNCTION CHECK OK WITH NO FURTHER SMELLJul 20, 2025 · N521RC · Bell 407SDR AALA202507211272Valve · faultedAIRCRAFT WAS GROUNDED: 96F IN COCKPIT - NO CHANGE AFTER 40 MINUTES FLIGHT TIME REQUIRING RETURN TO DFW, EMERGENCY DECLARED AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED LOW LIMIT VALVE IAW AMM 21-52-30.Jul 19, 2025 · N759AN · Boeing 777223SDR HALA20250623192Filter · not reportedETOPS - INTERMITTENT STATUS MESSAGE: FWD CARGO VENT, BULK VENT NUMEROUS TIMES; LASTING A FEW SECS. REMOVED AND REPLACED CABIN TEMP SENSOR FILTERS PER AMM 21-63-17-920-802. PERFORMED VC SYSTEM TEST PER AMM 21-28-00-710-807-A. TEST OK. OK FOR SVCJun 22, 2025 · N383HA · Airbus A330243SDR YENA2025061600612Precooler · faultedFLT#21, BOS-PBI. (AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS). '" R BLEED OVHT" CAUTION MESSAGE O N CLIMBOUT. SEVERAL MINUTES AFTER TAKE OFF. SYNOPTIC PAGE SHOWS YELLOW BLEED DUCTS ON THE FLIGHT SIDE FROM X BLEED VALVE TO PACK VALVE. RAN ECL MESSAGE STAYED ON Jun 13, 2025 · N3142J · Airbus BD5001A11SDR 3EJA202506090001Unknown · noiseWHILE CLIMBING THROUGH FL280 WE EXPERIENCED AND LOUD POP/THUMP AND THEN HEARD AIR RUSHING INTO THE AIRCRAFT.Jun 9, 2025 · N821JS · Cessna 560XLSDR YENA2025042300423Ecs · contaminatedFLT#637, BDL-MCO. 'CABIN AIR QUALITY EVENT ON APPROACH INTO ORLANDO FLIGHT ATTENDANTS IN THE AFT CABIN COULD SMELL FUEL/OIL SMELL VERY STRONG. ONE FLIGHT ATTENDANT REPORTS AND HEADACHE STARTED AROUND 2000 FULL CONFIGURATION FOR LANDING FLAPS FULL GEAR DOWN; CApr 22, 2025 · N657JB · Airbus A320232SDR CALA2025040903652Module · faultedNGS DEGRADED BLUE LIGHT COMPLIED WITH DEFERAL AND APPLIED INOP STICKER. TOMC APPROVED DEFERED. *DM* REF FIM 47-31 TASK 840 TO ASSIST T/S. ADDED FILTER KIT AND ASM TO M/L IN CASE NEEDED REMOVED AND REPLACED NGS FILTER ELEMENT REF AMM 47-32-04. ROTABLE PARTS CHAApr 6, 2025 · N14231 · Boeing 737824SDR DALA2025040202491Heat Exchanger · leakingSHIP 5644 -ATB/PRES/DE- DUE TO CABIN PRESSURE CONTROL ISSUE. CORRECTIVE ACTION: R/R OUTFLOW VALVE, CABIN PRESS CONTROL PANEL, AUTO CABIN PRESSURE CONTROLLER 1, AND RIGHT HEAT EXCHANGER. PERFORMED SINGLE PACK CONFIDENCE CHK.Apr 1, 2025 · N544US · Boeing 757251SDR YENA2025033100345Valve · failedFLT#2724, LAX-JFK. (ETOPS) 'COND TRIM AIR SYS FAULT - FWD CABIN TRIM VALVE; SYSTEM TROUBLESHOOT IAW TSM 21-63-00-810-803-Q AND REMOVED AND REPLACED FWD CABIN TRIM AIR VALVE (12HK) IAW AMM 21-63-51. OPS CHECK GOOD OK FOR SVC.'Mar 29, 2025 · N4080J · Airbus A321271NXSDR NACA20250414009Controller · no testPERFORM PACK STANDBY CONTROLLER BITE FOUND L NO GO LAMP ON WHEN TURN THE TEST SWITCH TO POSITION 7.Mar 11, 2025 · N321CM · Boeing 767323SDR SWI2025F00310Module · faultedAMS CTRL FAIL CAUTION MESSAGE APPEARED AT APPROXIMATELY FL230-240 DURING DESCENT ON ARRIVAL. (FLIGHT 6256 - FILED CLOSED) INTERROGATED CMC AND FOUND FAULT CODE 21000100. TROUBLESHOT PER ERJ-175 FIM 21-00-00-810-808-A. REMOVED AND REPLACED AMS CTRL MICRO Mar 6, 2025 · N501SY · Emb ERJ170200LRSDR DALA2025030701781Unknown · odorSHIP 3036 URNT PLASTIC SMELL COMING FROM OVER WITH ORANGE "SERVICE". CORRECTIVE ACTION: C/W NO-GO ODI PREVENTION PER A321 ATA 2172. ALL STEPS C/W. (0841975)Mar 5, 2025 · N336DX · Airbus A321213SDR YENA2025030500231Ecs · contaminatedFLT#667, HPN-PBI.' ODOR REPORTED BY INFLIGHT NOTED AT 3;13 LOCAL THROUGHOUT CABIN MEDIUM INTENSITY DURATION 15 MINUTES CHEMICAL /DIRTY SOCK SMELL NOTED ON APPROACH NO NOTED PHYSIOLOGICAL EFFECTS EMITTED IN PSUS; COMPLIED WITH INFO NOTICE 2017-T015 SE3CTION B2 Mar 4, 2025 · N665JB · Airbus A320232SDR GTIA2025030338776Ecs · contaminatedDIRTY SOCKS SMELL IN COCKPIT SHORT FINAL.-ACCOMPLISHED DECONTAMINATION OF ENVIROMENTAL SYS IAW AMM21-00-00-615-803-AQ R+R RECIRCULATION FILTER IAW AMM 21-21-41 OPS CK NORMAL AT THIS TIMEFeb 28, 2025 · N917NK · Airbus A320271NSDR GTIA2025030338772Ecs · contaminatedDESCENDING THROUGH 14,000 FT FLIGHT ATTENDANTS IN THE AFT OF THE AIRPLANE CALLED TO ADVISE OF STRONG MOULD SMELL IT CONTINUED ALL THROUGH THE DESCENT.-REF. LP 3633169-2 ACCOMPLISHED TI 2100-2002-NEO. AS PER TSM 05-050-00-810-831-A PERFORMED DECONTAMINATION OF Feb 28, 2025 · N970NK · Airbus A320271NSDR YENA2025030300222Ecs · contaminatedFLT#2126, MLB-FLL. 'FUMES ODOR NOTED ON DESCENT FOR SEVERAL MINUTES. DECREASED AT HIGHER THRUST SETTING. FLT ATT'S REPORTED STRONG ODOR IN AFT CABIN; SEE LOG PAGE 4247507, ITEM 2 (ACCOMPLISHED ECS LEVEL B DECONTAMINATION IAW AMM 21-00-00-615-803. REF L/P # 424Feb 26, 2025 · N809JB · Airbus A320232SDR CALA2025022402416Inlet · contaminatedSMOKE OR FUMES IN CABIN AIR SUPPLIED BY APU ACCOMPLISHED FIM 49-52 TASK 801, THE LEFT PACK WAS RUNNING WHEN RAMP DE-ICED THE AIRCRAFT. FUILD WAS SUCKED DOWN THE RAM INLET. CLEANED REMAINING FUILD AND RAN BOTH PACKS TO CLEAR RESIDUAL FUILD FROM PACK AND BLEED AFeb 23, 2025 · N37532 · Boeing 7379SDR CALA2025021002248Bellows · rupturedREF LP# 3803036 PRESSURATION AT 19000 WAS 8900 FEET CABIN PRES S. LEVELED OFF AT 20000 CABIN PRESS UP TO 9800 ORIGINAL LP 3803036 CLOSED IN ERROR. CPC 1 AND 2 NO FAULTS. AEVC TEST PERFORMED, NO FAULTS. MANUALLY CLOSED AND OPENED OUTFLOW VALVE, NO FAULTS NOTED.Feb 8, 2025 · N493UA · Airbus A320232SDR DALA2025020400829Valve · faultedSHIP 3102 - DIV - TO BIL DUE LOSS OF LT ENGINE BLEED PRESSURE WITH RT PACK ALREADY ON MEL. CORRECTIVE ACTION: REPLACED THE LT ENG PRV AND RT PACK FLOW CONTROL VALVE. (LP 6112716)Jan 30, 2025 · N302NB · Airbus A319114SDR 141A202501220002Warning Message · illuminatedDURING FLIGHT AT 20000 FEET, ACS LOW INFLOW CAS MESSAGE, RAN QRH CHECKLIST ACS INHIBITED ABD SET BACK TO AUTO WITH NO CHANGE. DECENT TO 10000 FEET AND DECLARED EMERGENCY. ACS WAS INHIBITED AND SET BACK TO AUTO AGAIN WITH SUCESS. ATC WAS INFORMED AND APPROVED TJan 22, 2025 · N853SA · Pilats PC1247ESDR ABXA20250120017Valve · warning messageFWD EQPT VAL YELLOW MESSAGE APPEARED WHILE ENTERING RUNWAY FOR TAKEOFF. QRH PROCEDURES DID NOT REMEDY.AC RETURNED TO THE GATE (BTB) AND MTX GROUNDED ACFT , MTX DEFERRED THE FWD EQUIPT. VALVE IAW MEL ABX-21-58-8-1-1. AND RETURNED AC TO SERVICE.Jan 20, 2025 · N762CK · Boeing 7673P6SDR DXTA2025012001973Fairing · damagedAIRFLOW: BIRD FLEW INTO RAM AIR INLET. REPLACED DORSAL FAIRING. IAW EMB-505 SRM PART 2 51-21-03 AIRCRAFT.Jan 15, 2025 · N394QS · Emb EMB505
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