JASC 2721

Service difficulty reports · 686

Reports filed under 2721 · Rudder Tab Control 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 = '2721'
  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 2026FA0000828Arm · brokenTHIS PART CONNECTS THE RUDDER TRIM ACTUATOR TO THE RUDDER BAR ASSEMBLY. THE PART HAS TWO ARMS WELDED TO IT. ONE CONNECTS TO THE RIGHT RUDDER CABLE AND THE OTHER CONNECTS TO THE RUDDER TRIM ACTUATOR. THE ARM ATTACHED TO THE RUDDER TRIM ACTUATOR BREAKS OFF NEAR Oct 12, 2026 · N297MA · Piper PA32R301SDR DALA2026092205285Actuator · faultedATB - DUE TO EXCESSIVE RUDDER TRIM. REPLACED RUDDER TRIM ACTUATOR (10CC). (LP 9499870 - AIRCRAFT WAS GROUNDED)Sep 19, 2026 · N121DZ · Airbus A321211SDR ABXA20260827375Rudder Control · faultedRUDDER RATIO EICAS MESSAGE CAME ON AFTER PUSH BACK. A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C MTX RESET SYSTEM AND OPS CHECK IAW AMM 27-21-00. OPS CHECK GOOD.AND RETURNED A/C TO SERVICE.Aug 27, 2026 · N744AX · Boeing 767232SDR N6WA2026081203Control Unit · faultedRUDDER LIMITER CAUTION DURING CLIMB (B1 - 233334, 060059). SWAPPED NR 1 AND NR 2 SSCU. OPS CHECKED GOOD IAW AMM 27-61-05. NO DEFECTS NOTED.Aug 12, 2026 · N549GJ · Cndair CL6002C11SDR SWAA2026051197274Sensor · faultyAT FL400; CREW NOTED THAT YOKE WAS DISPLAYED TO RIGHT 3 UNITS; CORRECTED USING RUDDER TRIM. APPROX. 1 MINUTE LATER; CREW OBSERVED UNCOMMANDED RUDDER INPUT (SHARP YAW TO THE LEFT.) OCCURRED 3 TIMES. OCCURRED A TOTAL OF 3 TIMES IN FLIGHT.<[01] INTERROGATED #1 SMMay 5, 2026 · N435WN · Boeing 7377H4SDR SWAA2026051197275Actuator · faultyAT FL400; CREW NOTED THAT YOKE WAS DISPLAYED TO RIGHT 3 UNITS; CORRECTED USING RUDDER TRIM. APPROX. 1 MINUTE LATER; CREW OBSERVED UNCOMMANDED RUDDER INPUT (SHARP YAW TO THE LEFT.) OCCURRED 3 TIMES. OCCURRED A TOTAL OF 3 TIMES IN FLIGHT. INTERROGATED #1 SMYD PMay 5, 2026 · N435WN · Boeing 7377H4SDR SWAA2026051197276Pcu · faultyAT FL400; CREW NOTED THAT YOKE WAS DISPLAYED TO RIGHT 3 UNITS; CORRECTED USING RUDDER TRIM. APPROX. 1 MINUTE LATER; CREW OBSERVED UNCOMMANDED RUDDER INPUT (SHARP YAW TO THE LEFT.) OCCURRED 3 TIMES. OCCURRED A TOTAL OF 3 TIMES IN FLIGHT. INTERROGATED #1 SMYD May 5, 2026 · N435WN · Boeing 7377H4SDR ABXA20260427178Actuator · malfunctionedRUDDER RATIO EICAS MESSAGE ON TAXI OUT. REMOVED AND REPLACED RUDDER RATIO CHANGER ACTUATOR IAW B767 AMM 27-21-15 LEAK CHECK GOOD, OPS CHECK GOOD.RAN BOTH ENGINES @ IDLE, NO RUDDER RATIO MSG PRESENT. PERFORMED RUDDER RATIO OPS CHECK PER B767 AMM 27-21-00. NOApr 27, 2026 · N1489A · Boeing 76731KSDR IPXA2026042974070Pca · leakingFAULT- FOUND THE LOWER RUDDER PCA LEAK. (REPLACE) AMM 27-21-02-422-038 REV 147 STEP 5A TO 5H INSTALL LOWER RUDDER PCAApr 19, 2026 · N320UP · Boeing 76734AFSDR COEA2026011501956Trim Switch · faultedREPOSITION FLIGHT 201, PHX-SMF: AIR TURNBACK FULL RIGHT RUDDER TRIM AND ADDITIONAL RIGHT RUDDER REQUIRED TO MAINTAIN STRAIGHT FLIGHT. RETURNED AIRCRAFT TO PHX. NO EMERGENCY WAS DECLARED. CORRECTIVE ACTION: MAINTENANCE INSPECTED RUDDER TRIM RIGGING. FOUND TRJan 14, 2026 · N956FE · Cessna 208BSDR ABXA20251219349Warning Message · illuminatedDURING TAXI AFTER ENGINE START " RUDDER RATIO" EICAS MESSAGE DISPLAYED.A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C MTX THEN COMPLIED WITH FIM-21-27 FT804, NO FAULTS NOTED AT THIS TIME, OPS TEST OF RUDDER AND RUDDER TRIM CONTROL SYSTEM GOOD IAW AMM.27-21-00Dec 19, 2025 · N1499A · Boeing 767328SDR ABXA20251219345Warning Message · false activationDURING TAXI OUT AND AFTER ENGINE START "RUDDER RATIO" EICAS MESSAGE DISPLAYED. AIRCRAFT RETURNED TO BLOCKS (BTB). C/W FIM 27-21 FT 804 NO FAULTS NOTED AT THIS TIME OPS TEST OF RUDDER AND RUDDER TRIM CONTROL SYS GOOD IAW AMM 27-21-00 NO FAULTS NOTED AT THIS TDec 19, 2025 · N1499A · Boeing 767328SDR ABXA20251215339Module · faultedDURING TAXI OUT, RUDDR RATIO ANNUNCIATOR LIGHT ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE RESET RUDDER RATIO CHANGER MODULE IAW B767 FIM 27-21 FAULT TREE 804. NO FURTHER DEFECTS NOTED AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.Dec 15, 2025 · N1427A · Boeing 767306SDR UIEA2025112501323Switch · faultedRUDDER TRIM SWITCH WOULD NOT MOVE TRIM IN FLIGHT(<P>PERFORMED OPERATIONAL TEST OF RUDDER TRIM SYSTEM, ALL CHECKS OK & SWITCH OPERATION CHECKED GOOD PER AMM 27-21-00. NO FAULTS NOTED. RAN TEST OF SWITCH NUMEROUS TIMES. ALL CHECK OK PER FIM 27-21</P>)Nov 25, 2025 · N645GT · Boeing 767324SDR AALA202512028370Ptu · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING TAKEOFF AT APPROXIMATELY 100KTS DUE TO A VERY HARD YAW TO THE RIGHT THEN A REVERSAL TO THE LEFT. FELT LIKE WE POSSIBLY HAD A FLIGHT CONTROL ISSUE WITH THE RUDDER. FIRST OFFICER SAID THE FOOT PEDALNov 17, 2025 · N339TP · Boeing 7378SDR 8SMA202511050001Control Panel · faultedPILOT REPORTED LOSS OF RUDDER TRIM. NO VOLTAGE NOTED AT A135 PIN R. REMOVED FWD CENTER CONSOLE PANEL WITH TRIM INTERRUPT SWITCH. 28V INPUT POWER VERIFIED AT PNL133 PIN 1. BACKPINNED PIN 7 ON PNL133 AND FOUND NO OUTPUT POWER. BENCH CHECKED PNL133 AND FOUND NO COct 5, 2025 · N26XM · Pilats PC1247ESDR GTIA2025092939102Actuator · faultedUNCOMMANDED RUDDER MOVEMENTS BACK AND FORTH. SMALL MOVEMENTS OF PEDALS AND BLUE RUDDER TRIM INDICATOR. NO FAILURE MESSAGES. STARTED AT ABOUT 4000FT DURING CLIMB OUT-REF TSM 22-62-00-810-809-A. FOUND RUDDER TRIM ACTUATOR AT FAULT. R&R RUDDER TRIM ACTUATOR IAW ASep 26, 2025 · N614NK · Airbus A320232SDR 3EJA202509100001Bearing · wornABNORMAL VIBRATION IN THE CONTROL YOKE. THE VIBRATION INCREASED AS AIRSPEED INCREASED AND DIMINISHED WHEN AIRSPEED WAS DECREASED. COMPLETED GENERAL VISUAL INSPECTION OF THE AIRCRAFT EXTERIOR INCLUDING ALL GEARS & FLIGHT CONTROLS, FOUND EXCESSIVE PLAY ON LH ELAug 29, 2025 · N845JS · Cessna 560XLSDR ABXA20250715160Warning Message · false activationON TAXI, RUDDER RATIO ON EICAS MSG., ALL HYDRAULIC PRESSURES NORMAL. AIRCRAFT RETURNED TO BLOCKS. (BTB) ACCOMPLISHED OPERATIONAL TEST OF RUDDER AND RUDER TRIM CONT IAW AMM 27-21-00. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 15, 2025 · N364CM · Boeing 767338SDR FDEA202507151221Actuator · failedAFTER ROTATE THE AIRCRAFT BEGAN TO SHAKE IN THE RUDDER PEDALS THEN ENTERED INTO A SUSTAINED DUTCH ROLL THAT CONTINUED TO WORSEN AS WE ACCELERATED. EMERGENCY DECLARED. AMM: 22-00-02-2 AMM: 27-23-00-5 AMM: 22-21-00-5 PERFORMED MCDP TEST 30/40. RUDDER PCU Jul 15, 2025 · N943FD · Boeing 7572G5SDR DALA2025070805166Actuator · inoperativeSHIP 3123 RUDDER TRIM CAPTAINS SIDE WOBBLES AND MAKES LOUD CRACKING NOISE WHEN MOVED. FOUND CRACK ON THE TRIM. FOUND PEDAL ADJUSTMENT ACTUATOR INOP. CORRECTIVE ACTION: R/ R PEDAL ADJUSTMENT ACTUATOR AND COVER ASSY PER A319 AMM 27-21. (5864142).Jul 7, 2025 · N323NB · Airbus A319114SDR F3LA202505090230Actuator · defectiveENTERED ON LP506396 ITEM 1-REF LP506394 ITEM 1 UNCOMMANDED RUDDER MOVEMENT IN FLIGHT FL350 M 0.77 SMOOTH AIR RUDDER TRIM WENT TO LEFT 2.3 DEGREES AND THEN MOVED TO THE LEFT 1.8 DEGREES. MAINTENANCE ACTION AS ENTERED ON LP506396, ITEM 1 REMOVED AND REPLACED RMay 9, 2025 · N708FR · Airbus A321211SDR FDEA202411261737Trim System · malfunctionedRUDDER TRIM REQUIRED 18 UNITS OF RIGHT TRIM TO FLY COORDINATED AT CRUISE. PER CREW DEBRIEFING AT LAX, THEY EXPLAINED THAT AFTER ENGINE START AT LBB THEY GOT PITCH FEEL SYS 2 FAULT AND RUDDER TRAVEL SYS FAULT. THEY RESET THE SWITCHES AND FAULT CLEARED, DURNov 26, 2024 · N688FE · Airbus A300F4605RSDR 2024FA0000738Trim Tab · out of adjustON 22 SEPTEMBER 2024, NASJET AIRCRAFT N142AA MSN 560-5281 RETURNED BACK/FLIGHT (LSZH) DUE TO CREW REPORTED THAT WHEN AIRCRAFT REACHED 200 KTS ABOVE, THE SLIP SKID DISPLACED TO THE LEFT AND NEED TO TRIM RUDDER HALFWAY TO THE LEFT TO CENTER IT. THE AIRCRAFT LANDSep 22, 2024 · N142AA · Cessna 560XLSDR CALA2024071802061Trim System · unknownAFTER TAKEOFF NEEDED ALMOST 8 DEGREES RIGHT RUDDER. TRIED TO ALS O USE AILERON TRIM. NO HELP DEBRIEFIED CREW, BOTH ENGINE EPR WAS SAME PASSED. TRIM TEMPERATURE COMPENSATING LINKAGE. NO DEFECTS FOUND. NO SIGNIFICANT FINDINGS AT THIS TIME. FIM: 27-09 TASK 814,Jul 14, 2024 · N655UA · Boeing 767322SDR F3LA2024062500097Rudder · misriggedAIRCRAFT WAS GROUNDED DUE TO DISCREPANCY: RUDDER RIGHT TRIM EXCEEDED LIMITS AT 1.5 UNITS AT FL 210 AND .75, A/P ON AND FUEL BALANCED WITHIN 300LBS. FOUND RUDDER TRIM ACTUATION NOT IN LIMITS & PERFORMED ADJUSTMENT IAW AMM 27-22-00-820-001-A & AMM 27-22-51-00-5Jun 24, 2024 · N353FR · Airbus A320251NSDR F3LA2024062600098Computer · failedAIRCRAFT WAS GROUNDED. RUDDER TRIM OUT OF LIMITS. ON CLIMB OUT. UNABLE TO DISTINGUISH ANY VIBRATION/YAW DURING CLIMB DUE TO TURBULENCE. PERFORMED RUDDER OPS CHECK IAW AMM 27-23-00-701-001-A, AMM 22-63-00-710-001-A, AMM 22-61-00-710-001-A AND AMM 22-60-00Jun 23, 2024 · N353FR · Airbus A320251NSDR CALA2024031900789Control Module · intermittentUNSCHED STAB TRIM EICAS DURING TO ROLL X2 REMOVED AND REPLACED AND TESTED STAB TRIM CONTROL MODULE PER AMM 27-09-00.Mar 17, 2024 · N658UA · Boeing 767322SDR CVGA20240319001Switch · defectiveON TAKEOFF HAD AN UN-COMMANDED ROLL TRIM TO THE LEFT AT FULL DEFLECTION. INITIALLY WE WERE UNABLE TO CORRECT THE TRIM TO NORMAL. EVENTUALLY WE WERE ABLE TO NEUTRALIZE THE ROLL TRIM. EMERGENCY DECLARED. R&R PILOT YOLK HAT SWITCH WITH NEW. OPS CHECK GOOD WITH NOMar 14, 2024 · N672UP · Beech 400ASDR CALA2024021400419Rudder Pedal · tightRUDDER PEDALS WERE LOCKED OUT IN NEUTRAL POSITION SPOKE TO CREW AND CONFIRMED BOTH PILOTS AND F/O SIDE RUDDER PEDALS WERE VERY HHRD TO MOVE AND THEY NEEDED TO APPLY ALOT OF FORCE TO FREE UP PEDALS. REMOVED LEFT NOSE WHEEL WELL CEILING PANEL ASSEMBLY # 14A7901-Feb 6, 2024 · N47280 · Boeing 7378SDR SWIA20240205004Trim System · uncontrollableON CLIMB OUT RUDDER TRIM WAS REQUIRED WHILE HAND FLYING... RUDER TRIM WENT FULL RIGHT UNABLE TO MANUALLY ADJUST TRIM. AUTO PILOT OFF/ YAW DISC PER QRH RETURNED TO SLC USING ALMOST FULL RIGHT RUDDER PRESSURE TO CORRECT. (FLIGHT 3282 FILED CLOSED)CONFIRMED WITH Feb 4, 2024 · N656CA · Cndair CL6002C10SDR DXTA2024020210793Control Cable · misroutedDURING FLIGHT DISCONNECTED AUTOPILOT & YAW DAMPER TO ADJUST A SLIGHT RUDDER TRIM INPUT. NOTICED THE INPUT IN CONDITION GOT WORSE. ADJUSTING TRIM OPPOSITE MADE CONDITION BETTER. ON LANDING, CHECKED RUDDER TRIM DEFLECTION WITH FULL LT TRIM & TAB WAS DEFLECTJan 30, 2024 · N557QS · Cessna 560XLSDR ABXA20231227229Actuator · malfunctionedRUDDER AND RUDDER TRIM CONTROL SYSTEM: RUDDER TRIM. FAILED TO TRIM IN EITHER DIRECTION A/C RETURNED TO GATE.MAINTENACE GROUNDED A/C. BEGAN TROUBLESHOOTING ,TRIED NEW CONTROL PANEL, NO HELP. RE-INSTALLED ORIGINAL. RANG, MEGGER AND LOAD CHECKED RUDDER TRIM WIRINDec 27, 2023 · N650GT · Boeing 767231SDR 4DPA2023121700001Actuator · failedCREW REPORTED REPEAT PITCH TRIM BACKUP INOP MESAGE APPEARED AT CRUISE. RETURNED TO DAL. CORR ACTION MX TROUBLESHOT TO BAD HSA PN 362200-1015 SN 1052. R&R'D HSA OPS TEST GOOD.Dec 17, 2023 · N962JX · Emb EMB145LRSDR 2023FA0000816Rod End · severedFORWARD RUDDER TRIM TAB CONTROL ROD END BROKE. UN CONTROLLED RUDDER TAB CAUSED SEVERE OSCILLATIONS RESULTING IN WINDSHIELD SEPARATED FROM THE AIRCRAFT.Nov 17, 2023 · N2024C · Beech 95SDR 2023FA0000587Trim System · defectiveDECENDING TO 14,000' RUDDER TRIM RAN FULL RIGHT. RE-TRIMMED AND FOLLOWED EMERGENCY CHECKLIST FOR RUNWAY TRIM.Sep 15, 2023 · N541FL · Amd FALCON20C5SDR N6WA2023091102Control System · inoperativeUNCOMMANDED YAW MOTION NOSE RIGHT DURING CLIMB, RUDDER TRIM INDICATED FULL NOSE RIGHT. REMOVED AND REPLACED RUDDER TRIM PANEL IAW CRJ 550 AMM 27-12-10. FOUND PREVIOUS PANEL SWITCH SPRING NOT DISENGAGING, NEW PANEL OPS TEST GOOD AT THIS TIME.Sep 8, 2023 · N502GJ · Cndair CL600*SDR ABXA20230522112Actuator · leakingRUDDER RATIO EICAS MESSAGE AFTER ENGINE START. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACED RUDDER RATIO ACTUATOR ASSY. IAW B767 AMM CHAPT. 27-21-15. RAN HYD SYSTEMS, NO LEAKS NOTED. NO EICAS MESSAGE APPEARS. AIRCRAFT REMay 19, 2023 · N312AA · Boeing 767223SDR F3LA2023050100004Indicator · inoperativeRUDDER TRIM INDICATOR ON PEDESTAL INOP. REMOVED AND REPLACED THE RUDDER TRIM INDICATOR IAW AMM 22-62-21-000-001-A & 22-62-21-400-001-A. OPS TEST GOOD. NO FURTHER DEFECTS NOTED.Dec 23, 2022 · N363FR · Airbus A320251NSDR FQAR20221207Arm · brokenSTUDENT REPORTED THAT RUDDER TRIM HAD NO EFFECT, INSPECTED AIRCRAFT AND FOUND CONNECT ARM ASSEM BROKEN, 66661-000Dec 4, 2022 · N819PA · Piper PA28181SDR AALA202212061862Actuator · defectiveAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL DUE TO RUDDER TRIM AND AILERON OUT OF TRIM IN FLIGHT AUTOPILOT 2 WAS ON REQUIRED 3 UNITS LEFT RUDDER TRIM TO FLY LEVEL. THE AIRCRAFT LANDED SAFELY AT PHL WITHOUT FURTHER INCIDENTDec 3, 2022 · N814AW · Airbus A319132SDR FQAR202212080001Arm · brokenSTUDENT REPORTED RUDDER TRIM SPINS FREELY WITHOUT ADJUSTMENT, INSPECTED AND FOUND FOUND CONNECT ARM ASSEM BROKEN.Dec 2, 2022 · N749PA · Piper PA28181SDR FQAR202212080009Arm · brokenDURING AN INSPECTION FOUND CONTROL ARM ASSEMBLY FOR RUDDER TRIM/ RUDDER CABLE CRACKED AT ATTACH POINT., CONNECT ARM ASSEM BROKEN, 66661-000Nov 12, 2022 · N424PA · Piper PA28181SDR SWIA202266597None · uncontrollableRUDDER LOCKED UP AT FLIGHT IDLE IN THE LANDING FLARE. NO RUDDER MOVEMENT AVAILABLE. (FLIGHT 4301 - FILED CLOSED) INSPECTED RUDDER SYSTEM CONTROL PATH REFERENCE EAMLS 1009518, 1009408, 100949 NO DEFECTS NOTED. INSPECTED POTENTIOMETER IN REFERENCE TO AMM 27-Oct 7, 2022 · N446SW · Cndair CL6002B19SDR CALA2022100602728Actuator · inoperativeUNABLE TO ADJUST RUDDER TRIM IN FLIGHT- AUTOPILOT ON OR OFF-NO D IFFERENCE GROUND TEST OF RUDDER TRIM SHOWS TRIM INTERMITTANTLY COMPLETELY INOP. FOLLOWED FIM 27-21 FAULT TREE 805, ELECTRICAL CHECKS AT TRIM ACT CANNON PLUG D1746 CHECK GOOD. FIM INDICATES TRIMOct 6, 2022 · N19117 · Boeing 757224SDR JJBA20221007002Dau · inoperativeRUDDER SYSTEM 1/2 INOPERATIVE DURING DECENT IN DOWN WIND. REMOVED AND REPLACED RUDDER PRESSURE SWITCH 1 AND 2. REMOVED AND REPLACED DAU 2. OPS CHECK SAT.Oct 5, 2022 · N14179 · Emb EMB145XRSDR CALA2022100602695Actuator · defectiveRUDDER TRIM INOP AFTR T- OFF. NO FM CHKLST. TOMC /DISP CALLED. U SED EMERG AUTH RESET CB C10 OP EWR. MUST REPLACE AND DO WIRING CHECKS AT AILERON RUDDER TRIM CONTROL PANEL M74 TO RUDDER TRIM ACTUATOR M515 REF SSM PAGE 101, RUDDER CONTROL SYSTEM REFERENCE: 27-Oct 3, 2022 · N19136 · Boeing 757224SDR 9JLA2022100712894Actuator · faultedTHE FLIGHT CREW REPORTED THAT THE RUDDER TRIM INDICATOR WAS NOT INDICATING FULL TRAVEL. THE MAINTENANCE PROVIDER FOUND THE TRIM INDICATOR WAS STOPPING OUTSIDE THE GREEN ARE WHEN MOVED TO THE RIGHT. THEY THEN CONFIRMED THAT THE TRIM ACTUATOR WAS NOT MOVING FULLSep 30, 2022 · N1027P · Cessna 680SOVSDR EBVR20220830None · noneDURING 48 MONTH INSPECTION FOUND CRACK IN BOTTOM AFT SECTION OF RUDDER TRIM TAB. REPAIRED RUDDER TRIM TAB CRACK PER AQRD ERO-106811 REVISION IR TITLED N661QS RUDDER TRIM TAB REPAIR DATED AUG 25 2022, FAA APPROVED ON FORM FORM 8110-3 DATED AUG 25-2022. CHEAug 30, 2022 · N661QS · Cessna 560XLSDR DALA2022080905443Trim Switch · intermittentSHIP 5638 -ATB- DUE TO LOSS OF RUDDER TRIM CAPABILITIES. CORRECTIVE ACTION: MTC FOUND TRIM SWITCH INTERMITTING. REPLACED RUDDER AND AILERON CONTROL PANEL. REPLACED THE RUDDER TRIM INDICATOR. ACCOMPLISHED ALL REQUIRED MCDP TESTS.Aug 9, 2022 · N538US · Boeing 757251
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