Leonardo AW139

Service difficulty reports · 321

Newest first. General aviation reporting is voluntary.

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 aircraft_model_key = 'AW139'
  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 2026FA0000825Hydraulic Line · rupturedDURING CRUISE AFTER DEPARTING, BTWN 5-10 MINUTES AFTER TAKE-OFF, AROUND 2000FT AND APPROX 140KTS, CREW NOTICED A CAS MSG HYD1 MIN, FOLLOWED BY 1 HYD PUMP, 1 HYD PRESS, 1 SERVO & EMERG UTIL PRESS CAUTIONS ILLUMINATED. AT THE POINT OF CAS INDICATIONS; MLG WEREOct 7, 2026 · N9YTKD · Agusta AW139 · Hydraulic System, MainSDR 2026FA0000526Windshield · crackedCREW REPORTED THAT UPON LANDING A “POP” SOUND WAS HEARD. SUBSEQUENT MULTIPLE CRACKS OBSERVED ON THE LT HEATED GLASS WINDSHIELD COMMENCING FROM AROUND THE BOTTOM RIGHT CORNER OF THE WINDSHIELD PROPAGATING VERTICALLY UPWARDS AND HORIZONTALLY LEFT ACROSS THE BOTTJun 17, 2026 · N9YENT · Agusta AW139 · Flight Compartment WindowsSDR 2026FA0000480Windshield · crackedDURING CRUISE FLIGHT OF 150 KIAS, SIC NOTICED WHAT LOOKED LIKE TO BE CRACKS IN SEALANT LOCATED ON THE PIC WINDSCREEN LOCATED AT THE TOP RIGHT CORNER ABOUT A 1/3 OF THE WAY DOWN AS YOU ARE LOOKING AT THE WINDSCREEN FROM THE SIC SEAT, WITH LIGHT VISIBLE THROUGH Jun 1, 2026 · N389MD · Agusta AW139 · Flight Compartment WindowsSDR 2026FA0000299Tail Boom · corrodedDURING THE PERFORMANCE OF THE GENERAL VISUAL INSPECTION AS SPECIFIED IN THE CONDITIONS OF PSE/TQ/2025/215289 REPAIR DEFERRAL LETTER, EVIDENCE OF PROPAGATION AND WORSENING CONDITIONS WAS DETERMINED OF THE CORROSION AT STA 8700, BL0.0 LOWER STRUCTURE OF 9Y-ELL TApr 27, 2026 · N485SH · Agusta AW139 · Rotorcraft Tail BoomSDR 2026FA0000287Windshield · crackedON 22 APRIL 2026 AT 1:56PM, THE CREW REPORTED WHEN TRANSITIONING INTO HOVER A "POP" SOUND WAS HEARD. SUBSEQUENTLY MULTIPLE VERTICAL CRACKS WERE OBSERVED ON THE R/H HEATED GLASS WINDSHIELD COMMENCING FROM THE BOTTOM LEFT CORNER OF THE WINDSHIELD TO THE TOP. NApr 23, 2026 · N9YTKD · Agusta AW139 · Flight Compartment WindowsSDR PN1R202603200003Torque Link · corrodedDURING INSPECTION, FOUND WHITE AND BLUE M/R TENSION LINK BUSHINGS FRETTED OUT OF PERMISSIBLE LIMITS. LIMIT: 39.040MM - WHITE: 39.050, BLUE: 39.050. S/N'S MC-10-0810 AND MCL1636Mar 20, 2026 · N118JM · Agusta AW139 · Main Rotor SystemSDR PN1R202603200002Torque Link · crackedDURING INSPECTION, FOUND RED MAIN ROTOR TENSION LINK CRACKED. S/N MCL1771Mar 20, 2026 · N98DQ · Agusta AW139 · Main Rotor SystemSDR PN1R202603200001Torque Link · crackedDURING INSPECTION FOUND RED, WHITE, YELLOW, AND BLACK MAIN ROTOR TENSION LINKS CRACKED. YELLOW S/N MCL1501, BLACK S/N MCL1535, WHITE S/N MCL1595, & RED S/N MCL1534.Mar 19, 2026 · N42EE · Agusta AW139 · Main Rotor SystemSDR PN1R202603190001Link · crackedDURING INSPECTION FOUND WHITE, YELLOW, AND BLACK MAIN ROTOR TENSION LINKS CRACKED.Mar 19, 2026 · N614CJ · Agusta AW139 · Main Rotor SystemSDR 2026FA0000238Fuel Tank · leakingON 16TH MARCH 2026, AFTER 9Y-TKD RETURNED TO THE HANGAR, A HEAVY DOWNPOUR OF JET FUEL EMANATING UNDERNEATH THE AIRCRAFT WAS OBSERVED. A DAILY INSPECTION WAS CONDUCTED; FUEL TANK LEAK WAS OBSERVED AT THE MAIN RIGHT FUEL TANK SUMP AREA. AIRCRAFT DEFUELED TO FAMar 16, 2026 · N9YTKD · Agusta AW139 · Fuel StorageSDR PN1R202602180001Seal · leakingDURING INSPECTION, FOUND #1 ENGINE NO. 5 BEARING SEAL LEAKING.Feb 18, 2026 · N614CJ · Agusta AW139 · Turbine Engine Oil SystemSDR 2026FA0000096Clamp · brokenDURING THE DE-PANELING PROCESS ON AIRCRAFT 31035 WE FOUND THE LH EXHAUST STRAP (BAS238-6-1300 CLAMP ASSY (NSCM KB568)) HAD BROKEN LOOSE AND COME TO REST ON THE TAIL ROTOR DRIVE SHAFT, BETWEEN THE FIRE BOTTLES. IT DAMAGED THE DRIVE SHAFT BEYOND REPAIR. THERE ARFeb 10, 2026 · N697RS · Agusta AW139 · Engine Collector/Tailpipe/NozzleSDR 2026FA0000122Landing Gear · defectiveMULTIPLE NR 2 WOW FAIL CAS MESSAGES. NOT FULLY EXTENDING. RIGHT MAIN LANDING GEAR SERVICED. EXTENSION AND RETRACTION OPERATIONAL CHECK CARRIED OUT SATISFACTORY. CIRCUIT BREAKER WAS RECYCLED, INITIAL FAULT OF “#2 WOW CAS” COULD NOT BE REPLICATED. RIGHT MAINFeb 9, 2026 · N9YENT · Agusta AW139 · Landing Gear SystemSDR AC2A2025122013901Cooling Fan · shearedDURING TAXI IN FROM RUNWAY, MGB TEMP WARNING ILLUMINATED.Dec 19, 2025 · N639CF · Agusta AW139 · Rotorcraft Cooling Fan SystemSDR U0GA VP000639Tail Boom · corrodedTHIS AIRCRAFT HAS BEEN GROUNDED AT OUR REPAIR STATION ON VP-000639-2024 SINCE THE DATE OF DISCOVERY. THE REPAIR IS AS FOLLOWS; REPLACE LT SIDE PANEL, P/N 3G5350A07431C1 AND STA 8700 BULKHEAD FRAME, P/N 3G5306P14811 ON TAILBOOM P/N 3G5350A00135 S/N PZL003 TAILBDec 19, 2025 · N739BG · Agusta AW139 · Rotorcraft Tail BoomSDR U0GA2025121900639Frame · damagedTHIS AIRCRAFT HAS BEEN GROUNDED. THE REPAIR FROM AS FOLLOWS; REMOVE AND REPLACED THE LEFT AND RIGHT BS 5700 FRAME 3P5338A13355 AND 3P5338A13455. IAW PSE/TQ/2024/172423.Dec 19, 2025 · N739BG · Agusta AW139 · Fuselage Main, FrameSDR 2026FA0000022Stabilizer · crackedREFENCES ARE MADE TO SDR UNIQUE CONTROL #2026FA0000017, #2026FA0000018 AND #2026FA0000020 RAISED PREVIOUSLY. #2026FA0000017 - ERRORS WERE MADE WHEN ENTERING THE AIRCRAFT SERIAL NUMBER (9Y-TKB) THIS SHOULD READ "41395" AS CORRECTED, #2026FA0000018 - DIFFICULTY Nov 19, 2025 · N9YTKB · Agusta AW139 · Rotorcraft Tail BoomSDR 2026FA0000017Stabilizer · crackedDURING A VISUAL INSPECTION OF 9Y-TKB AFTER FLIGHT THE LINE SUPERVISORS DISCOVERED THE CRACK ON THE TAILPLANE ASSEMBLY LEFT LEADING EDGE LOWER PANEL. LOCATION OF CRACK IS ESTIMATED TO BE STA 12370 AND BL (-940 THRU -718). A LOGBOOK ENTRY (LBE 206/25) WAS RAISENov 19, 2025 · N41395 · Agusta AW139 · Rotorcraft Tail BoomSDR 2025FA0000520Bolt · looseDURING INSPECTION FOUND 2 OF 4 MOUNT BOLTS ON #2 PCM LOOSE. UPON REMOVAL OF PCM FOUND CRACK IN FWD DECK AT FWD INBOARD MOUNT INSERT. REQUIRES REPAIR IAW AW139 AMP. THIS IS 3RD OR 4TH AIRCRAFT WE HAVE FOUND IN THE LAST 2 YEARS WITH A SIMILAR CONDITION.Jul 25, 2025 · N696BB · Agusta AW139 · Fuselage Structure (General)SDR 2025FA0000363Fuel Filter · cloggedPILOT REPORTS FUEL FILTER CAS MESSAGE. UPON TROUBLESHOOTING AND INSPECTION FOUND EXCESSIVE DEBRIS AND DETERIORATION TO THE LH, RH, AND AUX FUEL TANKS.May 20, 2025 · N3W · Agusta AW139 · Aircraft Fuel Distribution SystemSDR AC2A202503271391Hose · leakingDURING FLIGHT HYD UTIL PRESS CAS LIGHT ILLUMINATED, #2 HYD RES LEVEL INDICATED 50% LEVEL. USED EMER GEAR DOWN WITCH. UPON INSPECTION, WE DISCOVERED THAT THE THE HYDRAULIC LINE ON THE #2 MAIN LANDING GEAR WAS LEAKING WHICH CAUSED THE #2 RESERVOIR LOW CAS.Mar 27, 2025 · N639GG · Agusta AW139 · Hydraulic System, MainSDR 2025FA0000121Elec Connector · looseDURING INSPECTION, FOUND ALL RELAY CONNECTORS LOOSE UNDER PDP #2 WITH CONNECTOR SCREWS FULLY TIGHTENED.Feb 20, 2025 · N822KL · Agusta AW139 · Electrical Power System WiringSDR HEEA202501200001Gearbox · making metalON CLIMB OUT, GOT A MAIN GEARBOX CHIP CAS MSG. BURNED IT THREE TIMES AND CAME ON A FOURTH TIME.Jan 17, 2025 · N151PH · Agusta AW139 · Main Rotor GearboxSDR KY1R20241101001Cooling Fan · separatedDURING A COMPANY-MANDATED DAILY INSPECTION OF THE AIRCRAFT, A TECHNICIAN FOUND THE OUTLET SCREEN FOR THE MAIN GEARBOX (MGB) OIL COOLER FAN WAS BROKEN WITH THE WELDED MESH SPLAYED OUTWARD. FURTHER INVESTIGATION REVEALED THAT THE MGB OIL COOLER FAN CONTAINMENT Nov 1, 2024 · N382MD · Agusta AW139 · Main Rotor GearboxSDR HEEA202407110001Actuator · inoperativeBEFORE LANDING CHECKS, THE NOSE GEAR SHOWED LOCKED DOWN BUT 2X MAIN GEAR WERE SHOWING AMBER CAUTION LIGHTS. AIRSPEED WAS REDUCED AND THE CIRCUIT BREAKER AND HYDRAULIC PAGE WAS CHECKED. ALL WAS NORMAL & GEAR WAS CYCLED 3 TIMES. THE MAIN GEAR WAS STILL SHOWING AJul 10, 2024 · N153PH · Agusta AW139 · Landing Gear ActuatorSDR HEEA202407020001Connector · contaminatedAFTER TAKE-OFF DURING CLIMB OUT MAIN GEAR BOX CHIP SUMP KEEP CAME ON AND OFF NONSTOP. RTB. FOUND OIL & WATER IN SUMP CHIP PLUG CONNECTOR. CLEANED CONNECTOR.Jun 28, 2024 · N152PH · Agusta AW139 · Main Rotor Drive System WiringSDR HEEA496701162024Unknown · corrodedAFT UPPER DECK DECK CORRODED BEYOND LIMITS.Jan 16, 2024 · N139H · Agusta AW139 · Fuselage Main, StructureSDR 2023FA0000811Bushing · scoredDURING INSPECTION FOUND WHITE TENSION LINK FLANGE BUSHING BORE SCORED.Dec 5, 2023 · N383MD · Agusta AW139 · Main Rotor SystemSDR 2023FA0000810Bushing · wornDURING INSPECTION, FOUND TAIL ROTOR SLIDER BUSHING WORN BEYOND ALLOWABLE LIMITS. INSTALLED NEW BUSHING P/N 3G6430L00251, REF. AW139 AMP SECT. 64-31.Dec 5, 2023 · N383MD · Agusta AW139 · Tail Rotor Drive SystemSDR 2023F00285Unknown · unknownBIRD STRIKE RTB.Sep 19, 2023 · N151PH · Agusta AW139 · Standard Practices/StructuresSDR 2023F00221Pedal · unstakedWHILE DOING A TR TRACK AND BALANCE FLIGHT DURING LANDING WE NOTICED THE PEDALS WERE STUCK. WE WENT AROUND TO ASSESS THE PROBLEM.Jul 7, 2023 · N925VH · Agusta AW139 · Rotorcraft Flight ControlSDR 2023FA0000359Actuator · stuckWHILE DOING A TR TRACK AND BALANCE FLIGHT DURING LANDING WE NOTICED THE PEDALS WERE STUCK WE WENT AROUND TO ASSESS THE PROBLEM.Jul 7, 2023 · N925VH · Agusta AW139 · Rotorcraft Flight ControlSDR AC2A2023062213901Actuator · unserviceableROTOR BRAKE FAIL CAS ILLUMINATED ON SHUT DOWN WITH CALIPER INDICATING DOWN POSITION. REPLACED ROTOR BRAKE ACTUATOR.Jun 18, 2023 · N639MM · Agusta AW139 · Main Rotor GearboxSDR KY1R20230607001Stud · fracturedDURING AIRCRAFT RUN, AND RELEASE OF PARKING BRAKE, PILOT'S RIGHT YAW PEDAL STUD BROKE WHICH AFFIXES THE BRAKE CYLINDER TO THE PEDAL ASSEMBLY, WHICH LED TO THE INABILITY FOR THE PILOT IN COMMAND TO USE THE THE RIGHT BRAKE. THE PILOT SECOND IN COMMAND APPLIED BRJun 1, 2023 · N383MD · Agusta AW139 · Rotorcraft Flight ControlSDR 2023F00139Engine · inoperativeDURING TAKEOFF, BUT PRIOR TO DP, PIC NOTED LARGE TORQUE SPLIT AND#2 ENGINE OPERATING OUT OF LIMITS. ABORTED TAKEOFF.May 2, 2023 · N152PH · Agusta AW139 · Engine (Turbine/Turboprop)SDR U0GA202304240001Attach Bracket · bentAPPROACHING KC875 (LUCIUS) ON OUR SECOND FLIGHT LEG (FROM GC608), LOWERING THE LANDING GEAR RESULTED IN THE LEFT MAIN GEAR INDICATOR REMAINING AMBER. REFERRING TO THE QRH, WE WENT THROUGH THE PROPER PROCEDURE INCLUDING THE EMERGENCY BLOW DOWN. LIGHT REMAINED AApr 23, 2023 · N389B · Agusta AW139 · Landing Gear SystemSDR KY1R20230424715Relay · inaccurateDURING TROUBLESHOOTING/REPAIR, A FAULTY ENGINE RELAYS BOX WAS FOUND TO BE CAUSING AN ERRONEOUS 1 EEC FAIL CAS MESSAGE. AN INSPECTED/TESTED ENGINE RELAYS BOX WAS INSTALLED AND SUBSEQUENTLY FAILED THE FUNCTIONAL TEST DUE TO A MANUAL ENGINE MODE INDICATION, THE Apr 20, 2023 · N381MD · Agusta AW139 · Engine Indicating SystemSDR KY1R20230424714Relay · incorrectPILOT DISCREPANCY: "NO. 1 EEC CAS ILLUMINATED ENROUTE TO PAD, CLEARED ON SUBSEQUENT START-UP." TROUBLESHOOTING FOUND THAT THE #1 ENGINE EEC INTEGRITY TO BE SATISFACTORY, WITH NO INTERNAL FAULTS FOUND. FURTHER TROUBLESHOOTING REVEALED THAT THE ENGINE RELAYS BApr 20, 2023 · N381MD · Agusta AW139 · Engine Indicating SystemSDR U0GA ASR9556Light · shortedWHILE BEING VECTORED TO ITIWE ON THE RNAV 36 APPROACH INTO KHUM, PASSENGERS IN THE CABIN OF THE AIRCRAFT STARTED YELLING TO GET THE CREW'S ATTENTION ABOUT A STRONG BURNING ODOR. THE FLIGHT CREW CONFIRMED THE PRESENCE OF THE ELECTRICAL/PLASTIC BURNING SMELL.Feb 3, 2023 · N603PW · Agusta AW139 · Passenger Compartment LightingSDR 2023FA0000032Link · crackedDURING INSPECTION FOUND BLUE MAIN ROTOR TENSION LINKED CRACKED. INSTALLED NEW TENSION LINK.Jan 18, 2023 · N118JM · Agusta AW139 · Main Rotor HeadSDR AC2A2022103113901Control Module · cracked#2 PCM (HYDRAULIC POWER CONTROL MODULE) LEAKING AT CRACK IN BOSS CASTING.Oct 30, 2022 · N639DS · Agusta AW139 · Hydraulic System, MainSDR AC2A2022103013901Tail Boom · unserviceableTAIL STRUCTURE HAS AREA OF DELAMINATION ON R/H SIDE.Oct 30, 2022 · N639MM · Agusta AW139 · Rotorcraft Tail BoomSDR 2022FA0000646Axle · corrodedCUSTOMER REPORTED ROTOR BRAKE INOPERATIVE ON ARRIVAL AT REPAIR STATION FOR SCHEDULED INSPECTION. TROUBLESHOOTING REVEALED THE ROTOR BRAKE CALIPER WOULD NOT LOWER WHEN THE ROTOR BRAKE WAS RELEASED. FURTHER EVALUATION REVEALED THE ROTOR BRAKE ACTUATOR WAS INOPOct 26, 2022 · N9NJ · Agusta AW139 · Main Rotor BrakeSDR U0GA ASR12345None · noneHEAVY SMOKE IN THE COCKPIT, UNCOMMANDED COLLECTIVE AND CYCLIC INPUT LEADING TO EMERGENCY DESCENT AND POWER CONTROL VIA ENGINE THROTTLES. AUTOROTATIVE LANDING PERFORMED, AIRCRAFT WENT OFF RUNWAY AFTER LANDING. NTSB NOTIFIED PER 49 CFR 830. MORE DETAILS TO FOLLOSep 24, 2022 · N811T · Agusta AW139 · Smoke DetectionSDR 2022F00340Life Raft · activatedRIGHT LIFE RAFT SELF-DEPLOYED WHILE IN HANGARSep 11, 2022 · N118NZ · Agusta AW139 · Cabin Equipment/FurnishingsSDR ALGAASR8579Fire Warning · false indicationAFTER LEVELING OFF AT 5000 FT THE NO 1 FIRE DET LIGHT IS ILLUMINATED. WE VERIFIED THERE WERE NO INSTRUMENT INDICATIONS OF A FIRE IN THE NO 1 ENGINE AND CONSULTED THE QRH. AFTER NOTING THERE WAS NO IMMEDIATE DANGER WE TURNED THE AIRCRAFT TO OGLE AND COMPLETESep 1, 2022 · N939B · Agusta AW139 · Fire DetectionSDR 2022F00337Damper · departedON A NORMAL APPROACH TO THE H AT THE NORTH RAMP, AT ABOUT 150 AGL, WE SUDDENLY FELT A STRONG VIBRATION. WE PROCEEDED TO LAND AND SHUT DOWN ON THE H (NO TAXI). POST FLIGHT REVEALED THAT ONE TAIL ROTOR DAMPER DEPARTED THE AIRCRAFT.Aug 29, 2022 · N152PH · Agusta AW139 · Tail Rotor HeadSDR KY1R2020713Light · shortedDURING THE TECHNICIAN'S DAILY INSPECTION, THE LEFT POSITION LIGHT ASSEMBLY WAS FOUND TO BE INOPERATIVE, WHICH WAS INSTALLED 4.7 FLIGHT HOURS EARLIER DUE TO FAILURE. UPON INSPECTION, IT WAS FOUND THAT ONE OF THE SCREWS WHICH SECURES THE LIGHT DEFLECTOR CAME LOJul 11, 2022 · N382MD · Agusta AW139 · Exterior LightingSDR 2022F00267None · noneNO 1 FIRE DET CAUTION LIGHT ILLUMINATED WITH NO INDICATION OF FIRE AND RETURNED TO BASE.Jun 28, 2022 · N639B · Agusta AW139 · Detection SystemSDR AC2A2022061313901Smoke Detector · intermittentPILOT'S REPORT - DESCRIPTION: N639MC DISPATCH ON A NORMAL PASSENGER FLIGHT TO CONQUEROR AND ROWAN WITH 5 PAX ONBOARD. AFTER NORMAL RUNUP AND RELEASE FOR ATC, DEPARTED TAXIWAY A TO THE NORTH WITH A CLIMBING RIGHT TURN TO OUR ON COURSE HEADING. NEW ORLEANS ATJun 12, 2022 · N639MC · Agusta AW139 · Fire Detection
Back to Leonardo AW139