# Service difficulty reports: JASC 2721

A list on [JASC 2721](https://openairdocs.org/jasc/2721.md).

Reports filed under 2721 · Rudder Tab Control System, newest first.

Page 1 of 14 · 686 reports

- [SDR 2026FA0000828](https://openairdocs.org/sdr/2026FA0000828.md): Arm · broken · Oct 12, 2026 · N297MA · Piper PA32R301
  > THIS 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
- [SDR DALA2026092205285](https://openairdocs.org/sdr/DALA2026092205285.md): Actuator · faulted · Sep 19, 2026 · N121DZ · Airbus A321211
  > ATB - DUE TO EXCESSIVE RUDDER TRIM. REPLACED RUDDER TRIM ACTUATOR (10CC). (LP 9499870 - AIRCRAFT WAS GROUNDED)
- [SDR ABXA20260827375](https://openairdocs.org/sdr/ABXA20260827375.md): Rudder Control · faulted · Aug 27, 2026 · N744AX · Boeing 767232
  > RUDDER 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.
- [SDR N6WA2026081203](https://openairdocs.org/sdr/N6WA2026081203.md): Control Unit · faulted · Aug 12, 2026 · N549GJ · Cndair CL6002C11
  > RUDDER 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.
- [SDR SWAA2026051197274](https://openairdocs.org/sdr/SWAA2026051197274.md): Sensor · faulty · May 5, 2026 · N435WN · Boeing 7377H4
  > AT 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 SM
- [SDR SWAA2026051197275](https://openairdocs.org/sdr/SWAA2026051197275.md): Actuator · faulty · May 5, 2026 · N435WN · Boeing 7377H4
  > AT 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 P
- [SDR SWAA2026051197276](https://openairdocs.org/sdr/SWAA2026051197276.md): Pcu · faulty · May 5, 2026 · N435WN · Boeing 7377H4
  > AT 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
- [SDR ABXA20260427178](https://openairdocs.org/sdr/ABXA20260427178.md): Actuator · malfunctioned · Apr 27, 2026 · N1489A · Boeing 76731K
  > RUDDER 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. NO
- [SDR IPXA2026042974070](https://openairdocs.org/sdr/IPXA2026042974070.md): Pca · leaking · Apr 19, 2026 · N320UP · Boeing 76734AF
  > FAULT- FOUND THE LOWER RUDDER PCA LEAK. (REPLACE) AMM 27-21-02-422-038 REV 147 STEP 5A TO 5H INSTALL LOWER RUDDER PCA
- [SDR COEA2026011501956](https://openairdocs.org/sdr/COEA2026011501956.md): Trim Switch · faulted · Jan 14, 2026 · N956FE · Cessna 208B
  > REPOSITION 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 TR
- [SDR ABXA20251219349](https://openairdocs.org/sdr/ABXA20251219349.md): Warning Message · illuminated · Dec 19, 2025 · N1499A · Boeing 767328
  > DURING 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.27-21-00
- [SDR ABXA20251219345](https://openairdocs.org/sdr/ABXA20251219345.md): Warning Message · false activation · Dec 19, 2025 · N1499A · Boeing 767328
  > DURING 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 T
- [SDR ABXA20251215339](https://openairdocs.org/sdr/ABXA20251215339.md): Module · faulted · Dec 15, 2025 · N1427A · Boeing 767306
  > DURING 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.
- [SDR UIEA2025112501323](https://openairdocs.org/sdr/UIEA2025112501323.md): Switch · faulted · Nov 25, 2025 · N645GT · Boeing 767324
  > RUDDER 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>)
- [SDR AALA202512028370](https://openairdocs.org/sdr/AALA202512028370.md): Ptu · failed · Nov 17, 2025 · N339TP · Boeing 7378
  > AIRCRAFT 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 PEDAL
- [SDR 8SMA202511050001](https://openairdocs.org/sdr/8SMA202511050001.md): Control Panel · faulted · Oct 5, 2025 · N26XM · Pilats PC1247E
  > PILOT 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 C
- [SDR GTIA2025092939102](https://openairdocs.org/sdr/GTIA2025092939102.md): Actuator · faulted · Sep 26, 2025 · N614NK · Airbus A320232
  > UNCOMMANDED 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 A
- [SDR 3EJA202509100001](https://openairdocs.org/sdr/3EJA202509100001.md): Bearing · worn · Aug 29, 2025 · N845JS · Cessna 560XL
  > ABNORMAL 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 EL
- [SDR ABXA20250715160](https://openairdocs.org/sdr/ABXA20250715160.md): Warning Message · false activation · Jul 15, 2025 · N364CM · Boeing 767338
  > ON 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.
- [SDR FDEA202507151221](https://openairdocs.org/sdr/FDEA202507151221.md): Actuator · failed · Jul 15, 2025 · N943FD · Boeing 7572G5
  > AFTER 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
- [SDR DALA2025070805166](https://openairdocs.org/sdr/DALA2025070805166.md): Actuator · inoperative · Jul 7, 2025 · N323NB · Airbus A319114
  > SHIP 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).
- [SDR F3LA202505090230](https://openairdocs.org/sdr/F3LA202505090230.md): Actuator · defective · May 9, 2025 · N708FR · Airbus A321211
  > ENTERED 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 R
- [SDR FDEA202411261737](https://openairdocs.org/sdr/FDEA202411261737.md): Trim System · malfunctioned · Nov 26, 2024 · N688FE · Airbus A300F4605R
  > RUDDER 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, DUR
- [SDR 2024FA0000738](https://openairdocs.org/sdr/2024FA0000738.md): Trim Tab · out of adjust · Sep 22, 2024 · N142AA · Cessna 560XL
  > ON 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 LAND
- [SDR CALA2024071802061](https://openairdocs.org/sdr/CALA2024071802061.md): Trim System · unknown · Jul 14, 2024 · N655UA · Boeing 767322
  > AFTER 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,
- [SDR F3LA2024062500097](https://openairdocs.org/sdr/F3LA2024062500097.md): Rudder · misrigged · Jun 24, 2024 · N353FR · Airbus A320251N
  > AIRCRAFT 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 27-22-51-00-5
- [SDR F3LA2024062600098](https://openairdocs.org/sdr/F3LA2024062600098.md): Computer · failed · Jun 23, 2024 · N353FR · Airbus A320251N
  > AIRCRAFT 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 22-60-00
- [SDR CALA2024031900789](https://openairdocs.org/sdr/CALA2024031900789.md): Control Module · intermittent · Mar 17, 2024 · N658UA · Boeing 767322
  > UNSCHED STAB TRIM EICAS DURING TO ROLL X2 REMOVED AND REPLACED AND TESTED STAB TRIM CONTROL MODULE PER AMM 27-09-00.
- [SDR CVGA20240319001](https://openairdocs.org/sdr/CVGA20240319001.md): Switch · defective · Mar 14, 2024 · N672UP · Beech 400A
  > ON 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 NO
- [SDR CALA2024021400419](https://openairdocs.org/sdr/CALA2024021400419.md): Rudder Pedal · tight · Feb 6, 2024 · N47280 · Boeing 7378
  > RUDDER 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-
- [SDR SWIA20240205004](https://openairdocs.org/sdr/SWIA20240205004.md): Trim System · uncontrollable · Feb 4, 2024 · N656CA · Cndair CL6002C10
  > ON 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
- [SDR DXTA2024020210793](https://openairdocs.org/sdr/DXTA2024020210793.md): Control Cable · misrouted · Jan 30, 2024 · N557QS · Cessna 560XL
  > DURING 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 DEFLECT
- [SDR ABXA20231227229](https://openairdocs.org/sdr/ABXA20231227229.md): Actuator · malfunctioned · Dec 27, 2023 · N650GT · Boeing 767231
  > RUDDER 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 WIRIN
- [SDR 4DPA2023121700001](https://openairdocs.org/sdr/4DPA2023121700001.md): Actuator · failed · Dec 17, 2023 · N962JX · Emb EMB145LR
  > CREW 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.
- [SDR 2023FA0000816](https://openairdocs.org/sdr/2023FA0000816.md): Rod End · severed · Nov 17, 2023 · N2024C · Beech 95
  > FORWARD RUDDER TRIM TAB CONTROL ROD END BROKE. UN CONTROLLED RUDDER TAB CAUSED SEVERE OSCILLATIONS RESULTING IN WINDSHIELD SEPARATED FROM THE AIRCRAFT.
- [SDR 2023FA0000587](https://openairdocs.org/sdr/2023FA0000587.md): Trim System · defective · Sep 15, 2023 · N541FL · Amd FALCON20C5
  > DECENDING TO 14,000' RUDDER TRIM RAN FULL RIGHT. RE-TRIMMED AND FOLLOWED EMERGENCY CHECKLIST FOR RUNWAY TRIM.
- [SDR N6WA2023091102](https://openairdocs.org/sdr/N6WA2023091102.md): Control System · inoperative · Sep 8, 2023 · N502GJ · Cndair CL600*
  > UNCOMMANDED 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.
- [SDR ABXA20230522112](https://openairdocs.org/sdr/ABXA20230522112.md): Actuator · leaking · May 19, 2023 · N312AA · Boeing 767223
  > RUDDER 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 RE
- [SDR F3LA2023050100004](https://openairdocs.org/sdr/F3LA2023050100004.md): Indicator · inoperative · Dec 23, 2022 · N363FR · Airbus A320251N
  > RUDDER 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.
- [SDR FQAR20221207](https://openairdocs.org/sdr/FQAR20221207.md): Arm · broken · Dec 4, 2022 · N819PA · Piper PA28181
  > STUDENT REPORTED THAT RUDDER TRIM HAD NO EFFECT, INSPECTED AIRCRAFT AND FOUND CONNECT ARM ASSEM BROKEN, 66661-000
- [SDR AALA202212061862](https://openairdocs.org/sdr/AALA202212061862.md): Actuator · defective · Dec 3, 2022 · N814AW · Airbus A319132
  > AIRCRAFT 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 INCIDENT
- [SDR FQAR202212080001](https://openairdocs.org/sdr/FQAR202212080001.md): Arm · broken · Dec 2, 2022 · N749PA · Piper PA28181
  > STUDENT REPORTED RUDDER TRIM SPINS FREELY WITHOUT ADJUSTMENT, INSPECTED AND FOUND FOUND CONNECT ARM ASSEM BROKEN.
- [SDR FQAR202212080009](https://openairdocs.org/sdr/FQAR202212080009.md): Arm · broken · Nov 12, 2022 · N424PA · Piper PA28181
  > DURING AN INSPECTION FOUND CONTROL ARM ASSEMBLY FOR RUDDER TRIM/ RUDDER CABLE CRACKED AT ATTACH POINT., CONNECT ARM ASSEM BROKEN, 66661-000
- [SDR SWIA202266597](https://openairdocs.org/sdr/SWIA202266597.md): None · uncontrollable · Oct 7, 2022 · N446SW · Cndair CL6002B19
  > RUDDER 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-
- [SDR CALA2022100602728](https://openairdocs.org/sdr/CALA2022100602728.md): Actuator · inoperative · Oct 6, 2022 · N19117 · Boeing 757224
  > UNABLE 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 TRIM
- [SDR JJBA20221007002](https://openairdocs.org/sdr/JJBA20221007002.md): Dau · inoperative · Oct 5, 2022 · N14179 · Emb EMB145XR
  > RUDDER 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.
- [SDR CALA2022100602695](https://openairdocs.org/sdr/CALA2022100602695.md): Actuator · defective · Oct 3, 2022 · N19136 · Boeing 757224
  > RUDDER 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-
- [SDR 9JLA2022100712894](https://openairdocs.org/sdr/9JLA2022100712894.md): Actuator · faulted · Sep 30, 2022 · N1027P · Cessna 680SOV
  > THE 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 FULL
- [SDR EBVR20220830](https://openairdocs.org/sdr/EBVR20220830.md): None · none · Aug 30, 2022 · N661QS · Cessna 560XL
  > DURING 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. CHE
- [SDR DALA2022080905443](https://openairdocs.org/sdr/DALA2022080905443.md): Trim Switch · intermittent · Aug 9, 2022 · N538US · Boeing 757251
  > SHIP 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.

Next page: https://openairdocs.org/jasc/2721/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/2721/reports

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