JASC 2920

Service difficulty reports · 287

Reports filed under 2920 · Hydraulic System, Auxiliary, 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 = '2920'
  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 YENA2026040600377Ram Air Turb · faultedFLT# 1621, LHR-BOS. (ETOPS) HYD RAT FAULT ON ENG 1 SHUTDOWN; REMOVED AND REPLACED RAT PRESSURE SWITCH PER AMM 29-22-53 & PERFORMED DEPLOYMENT & RETRACTION PF THE RAT PER AMM 29-22-00 OPS CK NORMAL NO LEAKS NOTED A/C OK FOR SVC.Apr 7, 2026 · N4077J · Airbus A321271NXSDR ABXA20260318114Warning Message · false activationDURING TAXI OUT, AFTER BLOCK OUT THE RAT UNLOCKED MESAGE ON EICAS. A/C RETURNED TO BLOCKS (BTB). DEPLOYED AND RESTOWED RAT IAW B767 AMM 29-21-00. MESSAGE CLEARED. NO FAULTS PRESENT AT THIS TIME. RAT GUARD RESECURED. A/C RETURNED TO SERVICE.Mar 18, 2026 · N391CM · Boeing 767381SDR CALA2026030214202Pressure Switch · damagedAFTER RAT FAN BLADE INSPECTION RED LIGHT ACTUATOR PRESSURE LGHT IS ILLUMINATED ON RAT CONTROL MODULE AFTER STOWING RAT ALSO RAT FAULT DISPLAYED ON UPPER ECAM WITH AMBER TRIANGLE DISPLAYED ON HYDRAULICS PAGE. REPLACED RAT ACTUATOR PRESURE SWITCH, LEAK CK OK OPSFeb 28, 2026 · N837UA · Airbus A319131SDR CALA2026010712748Blade · damagedRAM AIR TURBINE BLADES DAMAGED WHEN CARRYING OUT RAT DEPLOYMENT TEST. HUB REMOVED IAW AMM 29-21-01/401. RAT HUB ASSY INSTALLED IAW AMM 29-21-01-434-078. SPEED SENSOR TEST IAW AMM 29-21-15-835-001 AND SYSTEM TEST IAW AMM 29-21-00-735-001 CARRIED OUT, NO FAULTJan 5, 2026 · N676UA · Boeing 767322SDR IPXA2025082327433Manifold · brokenEMERGENCY DECLARED, DIVERSION, LVL 2 HYD 3 FAIL. STARTED HYD 3 ELEV OFF THEN HYD 3 OFF. REMOVED & REPLACED #3 ENGINE UPPER (LEFT) EDP PER AMM TASK 29-11-20-400-802 UP TO STEP (H). BLEED, LEAK & OPS CHECK REQUIRED. SERVICED #3 HYD SYSTEM IAW AMM 12-13-02/301.PEAug 23, 2025 · N264UP · Doug MD11FSDR UIEA2025070700845Ram Air Turb · unwanted deployRAM AIR TURBINE DEPLOYMENT ON GROUND. C/W RETRACTION OF RAT PER AMM 29-21-00-860-802. NO STATUS MSG. SAFETY WIRED T-HANDLE. NO FURTHER DEFECTS NOTED.Jul 2, 2025 · N710GT · Boeing 777FSDR YENA2025061100585Pressure Switch · faultedFLT#1908, CDG-JFK. (ETOPS) .'HYD RAT FAULT; REMOVED AND REPLACED ACTUATOR PRESSURE SWITCH IAW AMM 29-22-53.LEAK CHK GOOD.OPS CHK GOOD.NO FAULTS NOTED.AC OK FOR SVC.'Jun 10, 2025 · N4048J · Airbus A321271NXSDR YENA2025040900372Pressure Switch · faultedFLT#424, LAX-JFK. (ETOPS) 'HYD RAT FAULT; REMOVED AND REPLACED PRESSURE SWITCH IAW AMM 29-22-53, OPS CHECK OK.'Apr 6, 2025 · N4080J · Airbus A321271NXSDR CALA2025031402805Hose · leakingELEC 1 LOW PRESSURE LIGHT LIGHT ON B SYSTEM HYDRAULIC RESERVOIR PARTIALLY DRAINED. SEE LOG PAGE 4146463 FOR HYDRAULIC FLUID REPLENISH. REPLACED B SYS. HYD PUMP SEE L/P 4146406, REPLACED HYD LINE AND COUPLER SEE L/P 4146345, 4146295. REPLACED SYS B HYD LOW PRESMar 14, 2025 · N77542 · Boeing 737824SDR YENA2024120601533Apu · leakingFLT#1643, JFK-BON. 'CABIN ODOR REPORTED BY FA DURING SHORT FINAL CABIN ODOR REPORTING FORM ATTACHED ( PACKS ); FOLLOWING TSM TASK 05-50-00-810-085. FOUND OIL ON INLET PLENUM AND COMPRESSOR AREA OF APU. REF TO MDDR # 567522 FOR APU DEFERRAL. APU BLEED WAS THE SDec 3, 2024 · N595JB · Airbus A320232SDR DALA2023032102154Module · damaged(LOG 4188692) A ELEC 2 HYD PUMP OVERHEAT LIGHT ILLUMATED DURING TAXI OUT WITH ASSOCIATED BURNT ELECTRONICS SMELL IN COCKPIT. REMOVED AND REPLACED HYD PUMP MODULE IAW B737 AMM 29-11-91 PG 401. OPS CK GOOD AT THIS TIME.Mar 18, 2023 · N3773D · Boeing 737832SDR UIEA2022090800941None · noneHYD PRESS SYS 1 STATUS MESSAGE(<P>PER FIM MESSAGE 29038, REPLACED #1 HYDIM CIRCUIT CARD A20 IAW AMM 29-11-42-004-001. OPS CHECK GOOD, NO FAULTS NOTED</P>)Sep 7, 2022 · N451PA · Boeing 747SDR ANCF20220124001Hydraulic Line · chafedREPORT: JANUARY 20TH 2022, ON FLIGHT AV257 CUN-BOG, THE AIRCRAFT N992AV HAD THE NEXT REPORT "DURING CRUISE THE YELLOW HYDRAULIC PUMP PRESENTED FAILURE OF HYD Y RSVR LO LVL", IT DEVIATION TO ADZ ALTERNATE AIRPORT. CORRECTIVE ACTION: IN ACCORDANCE WITH AMM SJan 20, 2022 · N992AV · Airbus A320214SDR 9JLA2021111130536Pressure Switch · failedTHE FLIGHT CREW REPORTED ON THE AUXILIARY HYDRAULIC PUMP WILL NOT SHUT OFF AT PRESCRIBED LIMITS, GOES TO MAX DEFLECTION ON HYDRAULIC GAUGE. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE HYDRAULIC PRESSURE SWITCH WAS DEFECTIVE. THE SWITCH WAS REMOVED ANNov 2, 2021 · N624DN · Lear 60LEARSDR N6WA2021092702Relief Valve · leakingHYD 3 LOW PRESS CAUTION MSG., HYD 3 QTY AT 0% WITH 0 PSI. FOUND LEAK COMING FROM HYD SYS #3 BOOTSTRAP BALANCE RELEIF VALVE. REMOVED AND REPLACED VALVE IAW CRJ AMM 29-12-05. SERVICED HYD SYS #3 IAW CRJ AMM 12-12-29. NO LEAKS NOTED. FUNCTIONAL TEST OK.Sep 27, 2021 · N553GJ · Cndair CL600*SDR FDEA202012300007Ram Air Turb · unwanted deployON ARRIVAL FOUND RAT DEPLOYED. BOTH RAT HANDLES STILL SHEAR WIRED. INSPECTED RAT UPLOCK HOOK, IAW 29-25-00-06. NO DEFECTS NOTED. STOWED RAT, IAW 29-25-00-03. A/C OK FOR SERVICE.Dec 30, 2020 · N730FD · Airbus A300B4622RSDR AALA2019081219008Ptu · overtempAIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF GREEN HYDRAULIC SYSTEM OVERHEAT. MAINTENANCE REMOVED AND REPLACED HYDRAULIC POWER TRANSFER UNIT IAW AMM 29-23-41. OPS AND LEAK CHECK GOOD.Aug 10, 2019 · N179UW · Airbus A321211SDR AALA201908099018Ptu · leakingAIRCRAFT WAS GROUNDED: CREW REPORTS OIL/MUSTY SMELL ON DECENT IN COCKPIT AND AFT CABIN. ALSO PRONOUNCED ON THE GROUND IN THE COCKPIT WHEN ON APU BLEED AIR. MAINTENANCE FOUND THE PTU LEAKING. REMOVED AND REPLACED THE PTU IAW AMM 29-23-41. OPS AND LEAK CHECK GOOAug 8, 2019 · N542UW · Airbus A321231SDR AALA201907299015Tee Fitting · damagedAIRCRAFT WAS GROUNDED: PILOT REPORTS HYD B SYS LO LEVEL AND HYD B SYS LOW PRESS AT CRUISE ALTITUDE. HYDRAULIC SYSTEM PAGE CONFIRMS LOW QUANITY. TURNED OFF BLUE PUMP AND FOLLOWED ECAM LANDING INSTRUCTIONS FOR APPROACH. MAINTENANCE FOUND DAMAGED TEE FITTING AND Jul 26, 2019 · N162UW · Airbus A321211SDR C77A2019070200002Ram Air Turb · jammedDURING A SCHEDULED FUNCTIONAL TEST OF THE RAM AIR TURBINE PER TASK CARD 24-23-00-004, ONE OF THE TURBINE BLADES CONTACTED AND JAMMED AGAINST THE INTERNAL FUSELAGE SKIN AROUND THE CUTOUT AFTER MANUALLY DEPLOYING THE RAT. THE RAT DID NOT DEPLOY FULLY, WHICH IS AJul 2, 2019 · N616CZ · Emb ERJ170200LRSDR 9EKA20190526005Hydraulic Line · wornDURING CRUISE FLIGHT, OIL COOLER LIGHT ILLUMINATED. EMERGENCY PROCEDURES CARRIED OUT, SWITCHING THE FAN TO THE SECONDARY BLEED AIR FAN. OIL TEMP REMAINED IN THE GREEN AND THE AIRCRAFT LANDED SAFELY AT BASE. UPON ARRIVAL, IT WAS DETERMINED THAT A LEAK IN THEMay 26, 2019 · N746H · Bell 214STSDR UIEA2019052604296Switch · faultyRAT UNLOCKED ONCE LANDED. (<P>REMOVED AND REPLACED RAT UP LIMIT SW S369 PER AMM 29-21-17. ACCOMPLISHED RAT SYSTEM TEST OK. AMM 29-21-00.</P>)May 26, 2019 · N1487A · Boeing 76731KSDR 5TTY2018110500001Hydraulic System · overservicedDURING ENGINE START, PRIOR TO THE DEPARTURE OF THE AIRCRAFT FLIGHT AV503, PILOT REPORTED LOW PRESSURE ON BLUE HYDRAULIC SYSTEM; CONSEQUENTLY, THE AIRCRAFT WAS RETURNED TO BLOCK. AT MAINTENANCE, AND PER TSM 29-12-00-860-053-C, THE BLUE HYD. SYSTEM WAS FOUND Dec 4, 2018 · N499TA · Airbus A320233SDR HALA2018120400626Packing · leakingATB - HYD B ENG 1 PUMP LO PR HYD B SYS LOW PR ECAM.// BLUE HYD INDICATED 1/4 FULL AT BLOCK IN. CREW REPORTED ENG 1 EDP ISOLATED AFTER MSG. NO CAVITATION TO ENG 1 EDP NOTED, ALL DPI CHECKED OK. FOUND PACKING ON BLUE HP MANIFOLD LEAKING. REPLACED PACKING PER ADec 2, 2018 · N379HA · Airbus A330243SDR HALA2018061200296Indicator · looseEICAS, CENTER HYD QTY RF. QTY REACHED .02 AFTER GEAR EXTENDED, AN EMERGENCY LANDING WAS DECLARED. ACFT LANDED WITHOUT INCIDENT. FOUND DPI LOOSE ON ADP CASE DRAIN MODULE, REMOVED AND REPLACED THE DPI AND LEAK CHECKED OK IAW MM 29-11-19.Jun 11, 2018 · N590HA · Boeing 7673CBSDR FDEA201802190434Pump · crackedRAT PUMP CRACKED AND LEAKED DURING MOTORING TEST. OPENFeb 19, 2018 · N863FD · Boeing 777FS2SDR SWAA2017080715518Limiter · leakingAIR TURNBACK/DECLARED EMERGENCY, HYDRAULIC SYSTEM A INDICATED LOSS OF FLUID QUANTITY TO 60%. R&R FLOW LIMITER PER MM.Aug 7, 2017 · N7722B · Boeing 73776NSDR XPTA2017010400002Shutoff Valve · malfunctionedHYDRAULIC UTILITY PUMP SHUTOFF VALVE SOLENOID WOULD NOT DE-ENERGIZE. BROUGHT AIRCRAFT IN FOR MAINTENANCE. REPLACED UNIT WITH OVERHAULED UNIT P/N 3846 (1159SCH217-5), S/N 638A. UNIT STAYED OPEN AND WOULD POP THE CIRCUIT BREAKER. RETURNED UNIT FOR EXCHANGE.Nov 16, 2016 · N112WJ · Gulstm GIVSDR XPTA2017010400001Shutoff Valve · malfunctionedHYDRAULIC UTILITY PUMP SHOUT OFF VALVE SOLENOID WOULD NOT DE-ENERGIZE THEREBY ALLOWING THE UTILITY PUMP TO RUN CONTINUOUSLY. BROUGHT A/C IN FOR MAINTENANCE AND REPLACED SHUTOFF VALVE SOLENOID WITH OVERHAULED UNIT P/N 3846 (1159SCH217-5, S/N 351A. FOUND UNIT LEOct 8, 2016 · N113WJ · Gulstm GIVSDR ASAA2016021615487Unknown · odorON DEPARTURE FROM DCA FLAPS 15 BLEEDS OFF RWY 1 JUST AFTER LIFTOFF COCKPIT BEGAN FILLING WITH SMOKE AND FUMES, THICKEST SMOKE AFTER 1 MIN, DISSIPATED COMPLETELY BY 4 MIN SUSPECT MASSIVE INJECTION OF DE-ICE FLUID TYPE IV INTO AC SYS THROUGH APU INLET. ACFT GROFeb 16, 2016 · N534AS · Boeing 737890SDR C77A20151101023Fuse · failedEMERGENCY PARKING BRAKE HYD FUSE OF THE NR 2 HYD SYS, INBD, FAILED OPERATIONAL TEST. R & R NR 2 SYS EMER PARKING BRAKE FUSE IAW AMM 32-44-07 ON WO 19613041K9. PN 38-909500-4, SN 0522.Oct 30, 2015 · N615CZ · Emb ERJ170200LRSDR REXA2015071600718Ram Air Turb · deployedRAM AIR TURBINE DEPLOYED JUST AFTER WEIGHT OFF WHEELS. RETURNED & LANDING WITHOUT INCIDENT. PERFORMED ADG DEPLOYMENT, INFLIGHT, INSP IAW AMM 05-51-19 & SB ERPS10AG-24-3 REV 3 INSPECTION GOOD. NO DEFECTS FOUND. COMPONENT WAS REPLACED AT MOTR REQUEST, ADG COJul 16, 2015 · N8905F · Cndair CL6002B19SDR UHLA2014120900848Rod End · failedSMOKE IN THE COCKPIT, THE RAT WAS DEPLOYED AS A PRECAUTION. DURING DEPLOYMENT, THE RAT DOOR ROD END WASHER LOCKING TAB, LOCK FEATURE FAILED, ALLOWING THE ROD END TO SEPARATE FROM THE RAT DOOR ROD ASSEMBLY. THIS LED TO THE RAT PROPELLER STRIKING THE RAT DOOR. BDec 9, 2014 · N634RW · Emb ERJ170100SESDR USAA2014092900006Ptu · unserviceableDURING PUSHBACK & ENG START, CREW RECEIVED A SEC 2 & SEC 3 FAULT. ECAM PROCEDURES CLEARED THESE FAULTS, THEN A LOUD GRINDING NOISE & BURNING SMELL FILLED CABIN. THEN THEY RECEIVED A HYD G RES OVHT ECAM MSG. FOLLOWED ECAM PROCEDURE & FAULT CLEARED SHORTLY. Sep 27, 2014 · N770UW · Airbus A319112SDR K5SR2014092426219Elbow · crackedWHILE PERFORMING A SERVICE CHECK ON THE ACFT, NOTICED HYDRAULIC FLUID LEAKING FROM THE LT MLG WHEEL WELL. ON FURTHER INVESTIGATION, FOUND AUXILARY SYS SUCTION LINE LEAKING. REMOVED LINE ASSY AND FOUND 90 DEGREE ELBOW CRACKED. R & R SUCTION LINE AND 90 DEGRESep 18, 2014 · N528AP · Gulstm GVSPG550SDR DXTA2014080605850Probe · unserviceableTHE RAT HEAT FAIL R CAS MSG CAME ON DURING CLIMB. THE MSG WOULD CYCLE EVERY 10 SECONDS. REMOVED DEFECTIVE RT RAT PROBE & INSTALLED A REPLACEMENT UNIT. OPERATIONAL CHECKS GOOD. WORK IAW MM 34-31-01.Aug 7, 2014 · N962QS · Cessna 750SDR ASMF201408001Ram Air Turb · deployedAIRCRAFT RETURNED OF FLIGHT DUE TO DURING CLIMB, THE EICAS MESSAGE RAT EXTEND & RAT UNLOCKED LIGHT TURNED ON, WITH THE LANDING GEAR LEVER IN UP POSITION. DURING MAINTENANCE REVISION, THE RAM AIR TURBINE WAS FOUND EXTENDED. ACFT WAS SENT TO THE HANGAR & THE NJul 18, 2014 · N967AM · Boeing 7878SDR CALA2014060291198Control Valve · faultyPOWER XFER STATUS. AIRPLANE FAILS MEL MX PROCEDURE 3161B. REPLACED K10051 RELAY & M10145 TIME DELAY AS SUGGESTED BY MEL 3161B A 9 A, NO HELP. REPLACED PTU CONTROL VLV IAW AMM 29-22-03.May 31, 2014 · N576UA · Boeing 757222SDR RU3A20140519019Hydraulic Line · looseSUPPLEMENTAL INFORMATION: CORRECT ATA CODE(C) TO 2910, CORRECT HOW DISCOVERED (E) TO V-VISUAL. CORRECTIVE ACTION: FOUND LOOSE B NUT ON HYDRAULIC TUBE ASSY P/N: 601-75238-43 AFT CONNECTION. INSPECTED B-NUT, RE-TORQUED B NUT FITTING. LEAK CHECK SATISFACTORYMay 19, 2014 · N87 · Cndair CL6002B16SDR FDEA201404190763Ram Air Turb · deployedRAT WAS DEPLOYED AT BLOCK IN. RESTOWED RAT IAW A300-600 MM CH 29-25-00-03.Apr 19, 2014 · N667FE · Airbus A300F4605RSDR USAA2014041700013Ram Air Turb · deployedRAT OUT ECAM MSG AFTER TAKEOFF. FOUND RAT DEPLOYED ON ARRIVAL INTO PHX. PERFORMED JOB CARD 26T21029003. NO DISCREPANCIES NOTED, PERFORMED SEVERAL EXTENSIONS.Apr 17, 2014 · N622AW · Airbus A320231SDR CALA2014010300021Ram Air Turb · deployedFOUND RAT DEPLOYED, STOWED RAT IAW MM 29-21-00-735-144 ALL INDICATIONS NORMAL.Dec 30, 2013 · N48127 · Boeing 757224SDR CA131223011Check Valve · failed(CAN) UPON NR 1 ENGINE START, AIRCREW OBSERVED "A SYSTEM" HYDRAULIC QTY DECREASING. MAINTENANCE VERIFIED HYD LEAK NEAR LT SIDE OF AFT AIRSTAIRS. FURTHER INVESTIGATION REVEALED THAT "A SYSTEM" MODULAR PACKAGE CHECK VALVE HAD FAILED AT THE VALVE`S THREADS. MODDec 18, 2013 · Boeing 727227SDR CA131112017Manifold · broken(CAN) REF: DISCARD HYD SYSTEM NR 3 FILTER ELEMENT AFTER CHANGING THE NR 3 HYD FILTER THE LEAK CHECK FAILED. REMOVED FILTER CUP AND THE FILTER MANIFOLD CHECK VALE AND 2 SPRINGS FELL OUT. NR 3 SYSTEM PRESSURE MANIFOLD, PN-945170-3 S/N-0778, REPLACED IAW TASK 2Nov 9, 2013 · Bombdr DHC8400SDR CALA2013100791811Isolation Valve · crackedLT FLIGHT CONTROL SHUTOFF VALVE BODY CRACKED DRAINED LT HYD SYS. R & R LT HYD ISOLATION VALVE, ALL OPERATIONS CHECKED & LEAK CHECKED GOOD AT THIS TIME.Oct 5, 2013 · N662UA · Boeing 767322SDR CALA2013100791771Duct · leakingHEAT COMING FROM FLOOR IN ROW 27A. FOUND DUCT LEAKING AT ADP U DUCT. REPLACED ADP DUCT SEALS. OPERATIONS & LEAK CHECKED GOOD.Oct 4, 2013 · N654UA · Boeing 767322SDR CALA2013100391686Pump · faultyIAW DF186 C1 AIR DRIVEN PUMP ASSEMBLY REQUIRES REPLACEMENT. REPLACED C1 AIR DRIVEN PUMP IAW MM. ALL NORMAL OPERATIONS GOOD.Oct 3, 2013 · N794UA · Boeing 777222SDR CALA2013083090882Contact · dirtyRAT UNLOCKED LIGHT NOT TESTING. CLEANED CONTACTS & RESTORED OPERATIONS.Aug 29, 2013 · N554UA · Boeing 757222SDR AALA20130824006O-Ring · damagedMIA CREW REPORTED RT HYDRAULIC SYSTEM FLUID LOSS. EMERGENCY DECLARED FLIGHT LANDED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND B SYSTEM ACOUSTIC FILTER LEAKING AT ELBOW FITTING. REPLACED O RING AT ELBOW FITTING. SYSTEM GROUND CHECKED NORAug 24, 2013 · N963AN · Boeing 737823SDR HNAA2013062400355Rccb · inoperativeNR 2 STDBY PUMP INOPERATIVE. CREW PERFORMED TEST TO CONFIRM NO INDICATION. FOUND STDBY CIRCUIT BREAKER IN COCKPIT TRIPPED. RESET CIRCUIT BREAKER. OPS CHECKED GOOD. R & R RCCB FOR NR 2 STANDBY PUMP USING RETAINED HARDWARE. GROUND RAN ACFT. OPS CHECKED GOOJun 18, 2013 · N343EN · Dhav DHC8311
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