JASC 2911

Service difficulty reports · 202

Reports filed under 2911 · Hydraulic Power Accumulator, Main, newest first.

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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 = '2911'
  ORDER BY difficulty_date DESC"

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SDR FDEA202607291051Hydraulic System · failedFLIGHT STARTED WITH MEL 29-08-01-01 OPERATING WITH HYD MANUAL. PASSING THROUGH APPROXIMATELY 5000 FT, HYD 2L OFF ALERT CAME ON. SYS WENT TO 2R AND WITHIN 10 SECS IT FAILED ALSO. BOTH RMPS WERE ON FROM T/O. DECLARED AN EMERGENCY & RETURNED TO MEMPHIS. PERFJul 29, 2026 · N583FE · Doug MD11FSDR 4DSR2026063001Selector Valve · leakingLANDING GEAR HYD. ACCUMULATOR MOTOR CYCLED IN FLIGHT CAUSING CAUTION TO COME ON. AIRCRAFT WAS JACK AND TROUBLESHOT, FOUND SERVICE SELECTOR VALVE TO BE LEAKING INTERNALLY. THIS IS THE SECOND TIME THIS HAS OCCURED IN TWO YEARS. REMOVED AND REPLACED WITH NEW VALVJun 30, 2026 · N497PC · Pilats PC1245SDR DALA2026062903844Accumulator · leakingATB- RETURNED TO DTW DUE TO A LEFT HYDRAULIC QUANTITY LOW MESSAGE. MAINTENANCE FOUND THE LEFT SYSTEM ACCUMULATOR LEAKING AND REPLACED SAME. ALL OPERATIONAL AND LEAK CHECKS NORMAL. (8424352) (AIRCRAFT GROUNDED).Jun 28, 2026 · N947AT · Boeing 717200SDR ABXA20260628289Module · defectiveDURING TAXI, CENTER HYD SYSTEM PRESSURE 1070 PSI WITH BOTH ENGINES RUNNING, A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C. TROUBLE SHOT AND REMOVED AND REPLACED CENTER PRESSURE AND CASE DRAIN MODULE IAW B767 AMM 29-11-19, OPS TEST GOOD, NO LEAKS NOTED AT THIJun 28, 2026 · N227CY · Boeing 767316SDR YENA2026051200452Swivel · leakingFLT 1515, JFK-SFO(ETOPS)(AIR TURNBACK TO JFK). REC "D HYD G ENG 1 PUMP LO PR" ECAM UPON LANDING GEAR RETRACTION. FOLLOWED ECAM/QRH PROC. AIR RETURNED TO JFK; REF L/P 4615811-1 AND 4615811-2 REPLACEMENT OF SWIVEL JOINT ASSY AND HOSE LINE ASSY. REF L/P 4615813-1May 7, 2026 · N2193J · Airbus A321271NXSDR R61A2026042410109Reservoir · faultedHYD 1 LO QTY. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. REMOVED AND REPLACED HYD SYS #1 RESERVIOR.Apr 21, 2026 · N753YX · Emb ERJ170200LRSDR CALA2026032414817B-Nut · leakingCREW REPORTED HYD G RSVR LO LEVEL CREW REPORTED THAT THEY TURNED OFF THE PTU AND THE ENG DRIVEN PUMPP WITHIN A MIN OF THE ECAM SERVICED GREEN SYSTEM HYDRAULIC RESERVOIRS TO SERVICEABLE LIMITS REF AMM 12-12-29/301. FOUND GREEN HYD PRESSURE LINE B NUT LOOSE AND Mar 22, 2026 · N470UA · Airbus A320232SDR AALA202601290661Filter · contaminatedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE ALTITUDE ENGINE #2 HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. **SUPPLEMENTAL REPORT FOR (AALA202601237620) SUBMMITED 01/23/2026 BY DFW: FOUND NUMBEJan 22, 2026 · N927AN · Boeing 737823SDR AALA202601294037Filter · contaminatedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE ALTITUDE ENGINE #2 HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. **SUPPLEMENTAL REPORT FOR (AALA202601237620) SUBMMITED 01/23/2026 BY DFW: FOUND NUMBEJan 22, 2026 · N927AN · Boeing 737823SDR AALA202601291379Filter · contaminatedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE ALTITUDE ENGINE #2 HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. **SUPPLEMENTAL REPORT FOR (AALA202601237620) SUBMMITED 01/23/2026 BY DFW: FOUND NUMBEJan 22, 2026 · N927AN · Boeing 737823SDR AALA202601297620Hydraulic System · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE ALTITUDE ENGINE #2 HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. **SUPPLEMENTAL REPORT FOR (AALA202601237620) SUBMMITED 01/23/2026 BY DFW: FOUND NUMBEJan 22, 2026 · N927AN · Boeing 737823SDR SWAA2025032007748Module · low pressureAFTER FLAPS 5 HYD A SYSTEM LOOW PRESSURE LIGHTS ON BOTH ENG AND ELECTRIC PUMP SHORTLY AFTER LOW PRESSURE LIGHTS ON HYD SYSTEM A CAME ON. SYS A QTY WENT TO 0. WE GOT EXTENDED VECTORS RAN QRH FOR LOSS OF SYSTEM A. RAN NON NORMAL LANDING DATA AND ALTERNATE EXTENDMar 18, 2025 · N7876A · Boeing 7377Q8SDR SWAA2025031204529B-Nut · looseEVIDENCE OF HYDRAULIC LEAK IN HELL HOLE <[01]. PERFORMED INSPECTION IN THE HELL HOLE FOUND HYDRAULIC LEAK FROM ELEVATOR FEEL COMPUTER AT B PRESSURE LINE FLARELES TUBING B- NUT WAS LOSE TIGHTENED PER AMM 20-10-51. AND HYDRAULIC LEAK CHECK DONE FOUND OK PER AMMMar 12, 2025 · N209WN · Boeing 7377H4SDR CALA2025021002254Accumulator · faultedHYD G RSVR LO LVL INFLIGHT DEBRIEFED WITH THE PILOTS. THERE WAS A HYD G RSVR LO LVL ECAM MSG. THEY STATED THE RESERVOIR WAS LOW AND THINKING THERE IS A POSSIBLE LEAK ON THE GREEN SYSTEM. THE PILOTS FOLLOWED THEIR PROCEDURES AND HAD THE LANDING GEAR DOORS MANUAFeb 8, 2025 · N809UA · Airbus A319131SDR IPXA2024110545086Reservoir · inoperativeGREEN RSVR LO LEVEL. GREEN SYSTEM SHOWED LOW INFLIGHT. REF BARCODE T3F18E005HJ2D FOR R&R OF THE GREEN SYSTEM HYDRAULIC RESERVOIR HYDRAULIC QUANTITY TRANSMITTER PER AMM 29-31-11, FUNCTION CHECK GOOD.Nov 2, 2024 · N161UP · Airbus A300F4622RSDR 2024FA0000455Reservoir · leakingHYDRAULIC POWER PACK SEVERE LEAK FROM RESERVOIR, PIPER PART NUMBER 601-940, GARKENYON PART NUMBER BELOW.Jun 18, 2024 · N221FL · Piper PA44180SDR 2024FA0000454Reservoir · leakingHYDRAULIC POWER PACK SEVERE LEAK FROM RESERVOIR, PIPER PART NUMBER 601-940,Jun 18, 2024 · N221FL · Piper PA44180SDR CALA2024012300204Accumulator · leakingBLUE SYSTEM LOST HYD FLUID IN FLIGHT BOTTOM OF AIRCRAFT WET WITH HYD FLUID. ACCUMULATOR, HY OFF 31-2912-9-9001 7440 ON 0000 ACCUMULATOR, HY OFF 31-2912-9-9001 7440 ON 31-2912-9-9001 7098 REPLACED BLUE SYSTEM ACCUMULATOR REF 29-12-00,OP CHECKS GOOD NO LEAKS FOUJan 16, 2024 · N492UA · Airbus A320232SDR SWAA2023081489219Limiter · crackedLOSS OF HYD B ON DEP. RAN CHECKLIST; TURN OFF B-PUMP IN UNDER A MIN. QTY WAS ZERO<[01] FOUND LEAK ON SYS B HYD FLOW LIMITING VALVE. UPON REMOVAL; FOUND UNION ADAPTER CRACKED BETWEEN THREADS CAUSING ALL SYSTEM B HYD FLUID TO DRAIN. REMOVED AND REPLACED SYS B EMAug 14, 2023 · N465WN · Boeing 7377H4SDR SWAA2023071076920Filter · failedB HYD SYSTEM FAILURE<[01] REMOVED AND REPLACED #2 ENGINE DRIVE HYDRAULIC PUMP IAW MM 29-11-11<BR>REMOVED AND REPLACED B SYSTEM ELECTRIC HYDRAULIC PUMP IAW MM 29-11-21<BR>REMOVED AND REPLACED B SYSTEM HYDRAULIC FILTERS AND HYDRAULIC FUSE IAW MM 29-11-41<BR><BR>Jul 8, 2023 · N925WN · Boeing 7377H4SDR SWAA2023071076921Fuse · failedB HYD SYSTEM FAILURE<[01] REMOVED AND REPLACED #2 ENGINE DRIVE HYDRAULIC PUMP IAW MM 29-11-11<BR>REMOVED AND REPLACED B SYSTEM ELECTRIC HYDRAULIC PUMP IAW MM 29-11-21<BR>REMOVED AND REPLACED B SYSTEM HYDRAULIC FILTERS AND HYDRAULIC FUSE IAW MM 29-11-41<BR><BR>Jul 8, 2023 · N925WN · Boeing 7377H4SDR SWAA2023070372956Pump · leakingENROUTE; F/A'S REPORTED A STRONG UNIDENTIFIABLE ODOR THROUGHOUT THE ENTIRE CABIN. ODOR LASTED FOR ONLY A COUPLE OF MINUETES; AND WAS NOTICED BY PAX AND CREW. THERE WAS NO ODOR OR ABNORMAL INDICATIONS IN THE COCKPIT. FURTHER THERE WAS NO VISIBLE INDICATIONS OF Jun 29, 2023 · N7720F · Boeing 7377BDSDR ABXA20230627138Unknown · unknownC HYD PRIM 1 EICAS MESSAGE DURING TAXI. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE PERFORMED A VISUAL AND FUNCTIONAL CHECK OF THE C1 PUMP SHOWED ALL NORMAL. LOAD TEST AND INDICATIONS NORMAL. NO ISSUES NOTED WITH OPERATION. ALL WORK REF B76Jun 26, 2023 · N364CM · Boeing 767338SDR ABXA2023031434Unknown · unknownEICAS MESSAGE C HYD PRIM 1 ON TAXI OUT. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE PERFORMED OPERATIONAL TEST AND IDLE ENG RUN NO DEFECTS NOTED AT THIS TIME IAW B767 29-11-00, 71-00-00 AMM. AIRCRAFT RETURNED TO SERVICE.Mar 13, 2023 · N744AX · Boeing 767232SDR SWAA2023021302237Pump · leakingLOSS OF HYDRAULIC B ON FINAL; EMERGENCY DECLARED.<[01] REMOVED AND REPLACED #5 FLIGHT SPOILER DUE TO LEAKING IAW AMM 27-61-51; ALSO R&R #2 ENGINE HYDRAULIC PUMP; B ELECTRIC HYDRAULIC PUMP; AND HYDRAULIC FILTERS CHANGED PRECAUTIONARY IAW AMM 29-11-21;AMM 29-11-Feb 11, 2023 · N940WN · Boeing 7377H4SDR SWAA2023021302238Pump · leakingLOSS OF HYDRAULIC B ON FINAL; EMERGENCY DECLARED.<[01] REMOVED AND REPLACED #5 FLIGHT SPOILER DUE TO LEAKING IAW AMM 27-61-51; ALSO R&R #2 ENGINE HYDRAULIC PUMP; B ELECTRIC HYDRAULIC PUMP; AND HYDRAULIC FILTERS CHANGED PRECAUTIONARY IAW AMM 29-11-21;AMM 29-11-Feb 11, 2023 · N940WN · Boeing 7377H4SDR SWAA2023021302239Filter · leakingLOSS OF HYDRAULIC B ON FINAL; EMERGENCY DECLARED.<[01] REMOVED AND REPLACED #5 FLIGHT SPOILER DUE TO LEAKING IAW AMM 27-61-51; ALSO R&R #2 ENGINE HYDRAULIC PUMP; B ELECTRIC HYDRAULIC PUMP; AND HYDRAULIC FILTERS CHANGED PRECAUTIONARY IAW AMM 29-11-21;AMM 29-11-Feb 11, 2023 · N940WN · Boeing 7377H4SDR YENA2023020300131Pump · failedFLT#988, LAX-BOS. (ETOPS) 'ENG 1 EDP LEAKING; REMOVED AND REPLACED ENG 1 EDP. REF AMM 29-11-51. OPS 1 LEAK CHECK IS GOOD. A/C IS OKAY FOR SERVICE.Feb 1, 2023 · N2142J · Airbus A321271NSDR CALA2023020100275None · noneGRN HYD LOW PRESSURE WITH 0 QTY AND AMBER INDICATION..FOLLOWED ECAM DECLARED EMER. COMPLETED INSTALLATION OF HCU REF AMM 78-31-51-400-010-A FROM PARAGRAPH 4. B. TO COMPLETION. OPS CHECK GOOD AND LEAK CHECK GOOD.Jan 31, 2023 · N407UA · Airbus A320232SDR VNAA202301111111Transducer · leakingHYD SYS 2 LO PRESS IN FLT, INBD FLT SPOILER/SPLRONS / AFTER INSPECTION FOUND HYD SYS 2 PRESSURE MANIFOLD TRANSDUCER TO BE LEAKING. REMOVED AND REPLACED TRANSDUCER IAW CRJ900 AMM 29-31-01-000/400-801."Jan 9, 2023 · N553NN · Cndair CL6002D24SDR FDEA202212293032Pump · unknownLOSS OF BLUE HYDRAULIC SYSTEM IN CRUISE. FACT 29DEC22 16:24 MEM U AMM: 29-11-32-04-02 AMM: 29-11-36-04-02 Dec 29, 2022 · N690FE · Airbus A300F4605RSDR 7C7A2022122000042Spu · failedNO.2 STBY HYDRAULIC PRESSURE INDICATES ZERO WHEN ON. NO ASSOCIATED CAUTION LIGHTS. REPLACED #2 STANDBY POWER UNITDec 20, 2022 · N885EA · Dhav DHC8106SDR CALA2022112503232Accumulator · leakingHYD G RSVR LO LVL IN CRUSE FL380ECAM COMPLETE FOUND GREEN POWER ACCUMULATOR LEAKING AT UPPER CONNECTION. COMPLETED INSTALLATION OF GREEN SYSTEM ACCUMULATOR. LEAK CHECK STARTED REMOVAL OF ACCUMULATOR PER AMM 29-11-42-000-001-A UP OK. GEAR DOORS WILL NOT CLOSENov 25, 2022 · N444UA · Airbus A320232SDR CALA2022112103191Pump · failedCOMPLETE LOSS OF SYS B HYD ON ARRIVAL QUANTITY AT ZERO ENGINE DRIVEN PUMP SERVICED B SYSTEM IN ORDER TO RETRACT FLAPS/SLATS. NO LEAKS PICTURES ADDED REMOVED AND REPLACED B SYS RETURN FILTER, EMDP CASE DRAIN NOTED DURING ELECTRIC DRIVEN PUMP OPERATION. DRY MOTNov 21, 2022 · N34460 · Boeing 737924ERSDR GTIA2022112136789Hydraulic System · low pressureCOMPLETE LOSS OF GREEN HYD SYSTEM AT CRUISE. HYD G ENG 1 PUMP LO PR ECAM--Nov 19, 2022 · N916NK · Airbus A320271NSDR CALA2022111703163Line · looseC HYD QTY STATUS MSG AT FL370 1 HOUR FROM LAN DING. FOLLOWED CHC KLIST ISOLATED SYS. .43 RF FOUND RETURN LINE BETWEEN RT CTR PUMP AND EMP CASE DRAIN DUAL FILTER MODULE LOOSE. TIGHTENED FITTING PER AMM 29-00-98. SERVICED SYSTEM TO FULL PER AMM 12-12-01. LEAK CKNov 17, 2022 · N67134 · Boeing 757224SDR GTIA2022111436777Accumulator · leakingHYD G RSV LO LVL IN FLIGHT-PERFORMED PRESSRIZATION OF GREEN HYD SYSTEM IAW AMM 29-23-00. FOUND LEAK FROM GREEN POWER ACCUMULATOR 1070GM & BOTTOM UNION. REMOVED ACCUMULATOR & FOUND DAMAGE TO UNION & ACCUMULATOR THREADS & ORING MISPLACEDNov 12, 2022 · N952NK · Airbus A320271NSDR YENA2022110201083None · noneFLT#1826, SAT-JFK. (AIRCRAFT DECLARED AN EMERGENCY INTO JFK) 'HYDRAULIC GREEN LOW-LEVEL RESERVOIR ECAM DURING CRUISE INDICATION WAS IN THE LOW AMBER RANGE PERFORMED MANUAL GEAR EXTENSION; REF. LP # 3499758, ITEM #1 (REINSTALLED NEW GREEN HYD PRESS LINE IN #1 EOct 28, 2022 · N556JB · Airbus A320232SDR CALA2022100302634Pump · faultyENG 1 ENGINE HYD PUMP LOW PRESSURE LIGHT ILLUMINATED INFLIGHT. FLUID DOWN TO 20. INSTALLED #1 ENGINE HYD PUMP, LEAK COMPLETED A SYSTEM HYD FLUSHING, RAN ENGINE NO LEAKS. AIRCRAFT OK TO CONTINUE.Oct 3, 2022 · N12218 · Boeing 737824SDR YENA2022092300949None · noneFLT#76, MSY-JFK. (AIRCRAFT DECLARED A EMERGENCY INTO JFK) 'ECAM G RSVR LO LVL. SO WE HAD A TOTAL LOSS OF GREEN SYS HYD. MANUAL GEAR EXTENDED; FOUND HI PRESSURE UNION O RING. REMOVED AND REPLACED O RING, SERVICED AND LEAK CHECKED SYSTEM PER AMM 29-11-15. OPS CHSep 22, 2022 · N708JB · Airbus A320232SDR SCNA20220920108None · noneDEFECT 725253: LOSS OF SYSTEM B HYDRAULIS IN FLIGHT. RESOLUTION: FOUND PLUG ON B SYSTEM HYD MODULE TO BE LOOSE TIGHTENED PLUG R& R # 2 ENG ENGINE DRIVE PUMP PER AMM 29-11-11 OPS & LEAK CHECK GOOD OK FOR SERVICESep 16, 2022 · N831SY · Boeing 73783NSDR CALA2022090502272None · damagedFOUND #2 ENGINE HYDRAULIC LINE PRESSURE( SMALLER OF THE 2) LINE SPINS GOING INTO PYLON FOUND QUICK DISCONNECT AT PYLON WAS DAMAGES. REMOVED AND REPLACED #2 ENGINE HYDRAULIC PRESSURE LINE.Sep 5, 2022 · N37409 · Boeing 737SDR UIEA2022080500815Pressure System · low pressureAFTER T/O "HYD QTY 1" EICAS MSG, SHORTLY AFTER "HYD SYS 1"(<P>FOUND #1 ADP PRESSURE HOSE LEAKING. R/R #1 ADP PRESSURE HOSE PER AMM 20-11-18. PERFORMED LEAK CHECK, NO LEAKS NOTED PER AMM 29-11-17. SERVICED HYD SYS #1 PER AMM 12-12-01.</P>)Aug 4, 2022 · N492MC · Boeing 74747UFSDR AALA202207158364Accumulator · leakingAIRCRAFT WAS GROUNDED: YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL ECAM AND SUBSEQUENT SPOILER FAULT IN FLIGHT NO FLUID INDICATION ON HYDRAULIC PAGE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MJul 14, 2022 · N764US · Airbus A319112SDR UIEA2022070100707Actuator · leakingRH WING, INBOARD AILERON, ACTUATORS, LEAK EVIDENCE (LEAK CHECK HAS BEEN PERFORMED ON THE RH INBOARD AILERON ACTUATORS AND NO LEAKS WERE FOUND. TEST PERFORMED IN ACCORDANCE WITH AMM 29-11-00-796-053, REV 135</P>)Jul 13, 2022 · N1427A · Boeing 767306SDR CALA2022071301726Pump · inoperativeHYD PRESS SYS C CAUTION IF RESERVE STEERING ISOLATION VALVE IS IN THE NORMAL FLIGHT POSI TION, THEN THE MESSAGE APPEARS WHEN THE SYSTEM PRESSURE TRANSDUC ER AND BOTH ELECTRIC PUMP TRANSDUCERS DETECT PRESSURE LESS THAN 3,000 PSI FOR MORE THAN 5 SECONDS.IF THE RJul 13, 2022 · N28912 · Boeing 7878SDR ABXA2022070876None · noneLEFT HYDRAULIC PRIMARY PUMP APPEARS INOP. AIRCRAFT RETURNED TO GATE AND WAS GROUNDED BY MAINTENANCE. MAINTENANCE REPLACED LEFT ACMP, LEFT ACMP PRESS/CASE DRAIN FILTER MODULE AND LEFT EDP PRESSURE/CASE DRAIN FILTER MODULE IAW B767 AMM 29-11-01, 29-11-17 AND 29-Jul 8, 2022 · N371CM · Boeing 767SDR CALA2022070601648None · failedTOTAL LOSS OF GREEN HYD SYS, #1 ENGINE DRIVEN HYD PUMP REQUIRES REPLACEMENT. REPLACED HYD PUMP . STOPPED AT STEP CORRECTING M&E SN COMPLETED #1 EDP INSTALLATION. LEAK CHECK REQUIRED. REPLACED POWER TRANSFER UNIT, REQUIRES OPS D.3 ROTABLE PARTS CHANGE WAS INDIJul 6, 2022 · N423UA · Airbus A300*SDR CALA2022062201554Safety Valve · leakingLOSS OF GREEN HYDS, HYD G RSVR LO LVL, HYD G SYS LO PR AND HYD G ENG 1 PUMP LO PR. LOCKING FOR POSITIVE FIX. UNLOCK TO UPDATE VERIFIED LANDING GEAR SAFETY VALVE CAUSE OF GREEN HYD SYSTEM LOSS OF FLUID. STARTED REMOVAL OF LANDING GEAR SAFETY VALVE UP TO AND INCJun 22, 2022 · N482UA · Airbus A320232SDR I5PA2022062068806Pump · leakingFOUND HYD. LEAK AT L ENG EDP... R/R L ENG EDP PER AMM 29-11-05. ENG RUN NORMAL NO LEAKS FOUND.Jun 20, 2022 · N688SL · Boeing 757230
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