# Service difficulty reports: Robinson Helicopter R22

A list on [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 60 reports

- [SDR 2026FA0000627](https://openairdocs.org/sdr/2026FA0000627.md): Pushrod · scored · Sep 12, 2025 · N223VA · Robsin R22 · Reciprocating Engine Cylinder Section
  > THIS HELICOPTER IS FACTORY NEW FROM MANUFACTUER AND THE SECOND HELICOPTER WE FOUND THIS SAME ISSUE ON. ALL OF THE ROCKER ARMS AND PUSHROD CAPS WERE FOUND TO HAVE SIGNIFICANT SCORING WHERE THE MAKE CONTACT WITH EACH OTHER DURING ITS FIRST 100HR INSPECTION WHILE
- [SDR 2025FA0000350](https://openairdocs.org/sdr/2025FA0000350.md): Bearing · brinelled · May 11, 2025 · Robsin R22 · Main Rotor Blades
  > THE SPINDLE BEARINGS WERE REPLACED ON BOTH BLADES ABOUT 200 HOURS AGO. AT THIS 100-HOUR INSPECTION, A FLIGHT TEST FOUND A HIGH VIBRATION, MEASURING ALMOST 5 IPS. WE ATTEMPTED TO BALANCE AND WERE UNABLE TO GET BELOW A.3. WE REMOVED THE BLADES AND FOUND BOTH SP
- [SDR 8HBR20230730053](https://openairdocs.org/sdr/8HBR20230730053.md): Seal · faulty · Jun 5, 2023 · N924SH · Robsin R22 · Main Rotor Drive System
  > +DURING A 100 HOUR INSPECTION IT WAS FOUND THAT THE AFT SPRAG CLUTCH SEAL WAS MIGRATING OUT OF THE RETAINER HOUSING.
- [SDR 2023FA0000089](https://openairdocs.org/sdr/2023FA0000089.md): Bearing · brinelled · Feb 17, 2023 · N142VA · Robsin R22 · Standard Practices/Structures
  > THIS IS IN RESPONSE TO SIAB 2023-01. MR SPINDLE BEARINGS WERE FOUND TO HAVE SIGNS OF BRINELLING AFTER ONLY 750 HOURS OF SERVICE. SINCE THERE IS ONLY ONE SPOT FOR PART AND SERIAL NUMBERS HERE IS THE OTHER SET OF BEARINGS INFORMATION; BEARINGS: PN: A159-3 SN: SN
- [SDR YV3R2022111700546](https://openairdocs.org/sdr/YV3R2022111700546.md): Warning Unit · inoperative · Oct 18, 2022 · Robsin R22 · Main Rotor Indicating System
  > CUSTOMER REPORTED WARNING UNIT ASSEMBLY P/N: A569-5 WAS INOPERATIVE OUT OF THE BOX.
- [SDR 2023FA0000090](https://openairdocs.org/sdr/2023FA0000090.md): Bearing · brinelled · Oct 6, 2022 · N830J · Robsin R22 · Standard Practices/Structures
  > THIS IS IN RESPONSE TO SIAB 2023-01. MR SPINDLE BEARINGS WERE FOUND TO HAVE SIGNS OF BRINELLING AFTER ONLY 165 HOURS OF SERVICE, OR 5 MONTHS SINCE INSTALLATION. I DO NOT HAVE A SERIAL NUMBER FOR THESE BEARINGS BECAUSE THEY WERE INSTALLED AT ROBINSON AND THEY D
- [SDR 2022FA0000560](https://openairdocs.org/sdr/2022FA0000560.md): None · asymetric · Oct 3, 2022 · N12ZH · Robsin R22 · Fuselage Structure (General)
  > AT 400 HOUR ENGINE VIBRATION CHECK, RESULTS EXCEED LIMITS BY 4X. ENGINE REMOVED AND SENT TO DALLAS AIR MOTIVE. WHEN RUN ON TEST, CELL. ALL VIBRATIONS WITHIN LIMITS. MRO (DALLAS AM) PREFORMED RUNOUT CHECK AS DESCRIBED IN RMM ON PAGE 18.35, #4, B. FOUND TO BE 0.
- [SDR 2022FA0000337](https://openairdocs.org/sdr/2022FA0000337.md): None · none · Jul 11, 2022 · N5861H · Robsin R22 · Engine Indicating System
  > THE N1 SENSOR HAS SPHERICAL INDICATIONS. SENT ENGINE DIAGNOSTICS TO ROLLS ROYCE TO SEE IF THERE WAS ANYTHING NOTICEABLE. THEY SUGGESTED TO CLEAN THE CONTACTS AND CHECK IT. WE CLEANED THE CONTACTS, PERFORMED A GROUND RUN AND HOVER CHECK EVERYTHING OPERATED AS I
- [SDR YV3R2022050400527](https://openairdocs.org/sdr/YV3R2022050400527.md): None · defective · Apr 22, 2022 · N6240 · Robsin R22 · Main Rotor Indicating System
  > CUSTOMER REPORTED WARNING UNIT ASSEMBLY (RPM) P/N: A569-5 WAS INOPERATIVE.
- [SDR YV3R2022021000516](https://openairdocs.org/sdr/YV3R2022021000516.md): None · none · Jan 25, 2022 · N988DC · Robsin R22 · Fuel Quantity Sensor
  > CUSTOMER REPORTED FUEL SENDER (LEVEL) P/N: D252-1 CAUSED ERRATIC READINGS ON GAUGE ASSEMBLY.
- [SDR YV3R2022011000506](https://openairdocs.org/sdr/YV3R2022011000506.md): None · none · Dec 14, 2021 · Robsin R22 · Engine RPM Indicating System
  > GOVERNOR CONTROLLER P/N: D278-1 UNRESPONSIVE DURING AUTOROTATION RECOVERY TRAINING.
- [SDR 8HBR202111176038](https://openairdocs.org/sdr/8HBR202111176038.md): Spindle · brinelled · Nov 16, 2021 · N603HH · Robsin R22 · Main Rotor Blades
  > PILOT'S REPORTING NEEDING TO USE A SIGNIFICANT INCREASE OF PRESSURE ON CYCLIC FOR FORWARD FLIGHT. ALSO NOTED LOSS OF CYCLIC PRESSURE WHEN PREFORMING AUTOROTATION'S. BRINELLING FOUND ON SPINDLE BEARINGS FOR THE SECOND TIME IN RECENT HISTORY. TIME IN SERVICE OF
- [SDR YV3R2021110900501](https://openairdocs.org/sdr/YV3R2021110900501.md): None · none · Nov 2, 2021 · N161WP · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-1 COLUMN SWITCH FAILED.
- [SDR YV3R2021110900500](https://openairdocs.org/sdr/YV3R2021110900500.md): Collector · cracked · Oct 20, 2021 · Robsin R22 · Engine Exhaust System
  > CUSTOMER REPORTED COLLECTOR P/N: C169-5 EXHAUST (LH) WAS CRACKED.
- [SDR YV3R2021090100492](https://openairdocs.org/sdr/YV3R2021090100492.md): Dual Tachometer · defective · Aug 24, 2021 · Robsin R22 · Main Rotor Indicating System
  > CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: A792-4 ENGINE TACH NEEDLE READS 70% WITH ENGINE SHUT DOWN.
- [SDR YV3R2021082800482](https://openairdocs.org/sdr/YV3R2021082800482.md): V-Belt · stretched · Aug 16, 2021 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED V-BELT SET P/N: A190-2 ARE OVERSTRETCHED.
- [SDR YV3R2021082800481](https://openairdocs.org/sdr/YV3R2021082800481.md): V-Belt · defective · Aug 16, 2021 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED V-BELT SET P/N: A190-2 WERE STRETCHED BEYOND LIMITS.
- [SDR YV3R2021062200462](https://openairdocs.org/sdr/YV3R2021062200462.md): Actuator · defective · Jun 3, 2021 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER SENT IN ACTUATOR ASSEMBLY A051-1 FOR WARRANTY. COLUMN SPRINGS WERE FOUND TO BE NOT ENGAGING OR DISENGAGING SIMULTANEOUSLY WHEN BENCH TESTED.
- [SDR YV3R2021090100491](https://openairdocs.org/sdr/YV3R2021090100491.md): Sheave · defective · May 27, 2021 · N14GG · Robsin R22 · Main Rotor Drive System
  > CUSTOMER SHEAVE, LOWER RECEIVED FOR WARRANTY. AFTER EVALUATION, BASE MATERIAL (ALUMINUM) WAS FOUND TO HAVE CORROSION, WHICH CAUSED BUBBLING BETWEEN ALUMINUM AND METALIZED COATING MATERIAL.
- [SDR YV3R2021062200465](https://openairdocs.org/sdr/YV3R2021062200465.md): Sheave · corroded · May 27, 2021 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER RETURNED LOWER SHEAVE P/N: A493-1. AFTER ENGINEERING EVALUATION, CORROSION WAS DISCOVERED UNDER PLATING.
- [SDR YV3R2021020400432](https://openairdocs.org/sdr/YV3R2021020400432.md): V-Belt · defective · Feb 2, 2021 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED V-BELT SET P/N: A190-2 ARE STRETCHED BEYOND LIMITS.
- [SDR YV3R2020120200399](https://openairdocs.org/sdr/YV3R2020120200399.md): Actuator · defective · Nov 18, 2020 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: A051-1 DID NOT WORK.
- [SDR YV3R2020102200370](https://openairdocs.org/sdr/YV3R2020102200370.md): Dual Tachometer · defective · Oct 13, 2020 · Robsin R22 · Main Rotor Indicating System
  > CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: A792-4 HAD A CHAFED WIRE WHEN RECEIVED.
- [SDR 2020FA0000329](https://openairdocs.org/sdr/2020FA0000329.md): Oil Filter · defective · Jun 26, 2020 · N2331X · Robsin R22 · Engine Oil Distribution (Airframe Furnished)
  > PILOT REPORTED LOW OIL PRESSURE DURING THE FLIGHT. WE ADJUSTED THE OIL PRESSURE RELIEF VALVE. THE OIL PRESSURE WAS NORMAL AT THE BEGINNING OF THE NEXT FLIGHT THEN OIL PRESSURE DROPPED TO 55 PSI. AFTER REPLACING THE OIL FILTER OIL PRESSURE TURNED BACK TO NOR
- [SDR YV3R2020062700291](https://openairdocs.org/sdr/YV3R2020062700291.md): V-Belt · defective · Jun 18, 2020 · Robsin R22 · Main Rotor Drive System
  > CUSTOMER REPORTED V-BELT SET P/N: A190-2 HAD A TIE-BAND DELAMINATION.
- [SDR 2020FA0000328](https://openairdocs.org/sdr/2020FA0000328.md): Oil Filter · defective · Jun 11, 2020 · N80156 · Robsin R22 · Engine Oil Distribution (Airframe Furnished)
  > PILOT REPORTED LOW OIL PRESSURE ON THE SECOND FLIGHT AFTER THE 100 HOURS INSPECTION. OIL FILTER WAS REMOVED, CUT AND INSPECTED. UPON INSPECTION, IT WAS NOTED THAT THERE IS NO OIL IN THE CENTER PART OF THE OIL FILTER. A NEW OIL FILTER WAS INSTALLED AND PERFO
- [SDR 2020FA0000122](https://openairdocs.org/sdr/2020FA0000122.md): Mount · damaged · Dec 7, 2019 · N3019S · Robsin R22 · Main Rotor Gearbox
  > PILOT REPORTED 2 PER VIBRATION. INSPECTION FOUND RUBBER SURROUNDING STEEL BUSHING ON ONE OF FOUR MAIN GEAR BOX MOUNTS HAD FAILED ALLOWING EXCESS MOVEMENT OF MAIN ROTOR DRIVE SYSTEM.
- [SDR 2020FA0000127](https://openairdocs.org/sdr/2020FA0000127.md): Belt · broken · Mar 20, 2019 · Robsin R22 · Standard Practices/Structures
  > CLUTCH BELTS BROKE IN FLIGHT. REASON UNKNOWN.
- [SDR 2018FA0000494](https://openairdocs.org/sdr/2018FA0000494.md): Drive Belt · failed · Nov 8, 2018 · N421HK · Robsin R22 · Engine (Reciprocating)
  > STATEMENT INDICATED THAT AFTER ENTERING SANTA ANA AIRSPACE FROM THE HUNTINGTON BEACH PIER, THEY FLEW OVER COSTA MESA GOLF COURSE AND HEARD A NOISE FOLLOWED BY RUBBER SMELL, AND THE CLUTCH LIGHT TURNED ON. IN ADDITION VIBRATIONS WERE FELT SO THE INSTRUCTOR TOOK
- [SDR 8HBR20180611015](https://openairdocs.org/sdr/8HBR20180611015.md): Bearing · worn · May 3, 2018 · N7155W · Robsin R22 · Tail Rotor System
  > PITCH CONTROL BEARING WORN AT HALF LIFE OF LIFE-LIMIT.
- [SDR FXGA20101207001](https://openairdocs.org/sdr/FXGA20101207001.md): Skin · cracked · Dec 7, 2010 · N351 · Robsin R22 · Fuselage Main, Plate/Skin
  > CRACK FOUND ON FUSLAGE SKIN BETWEEN F/STA 189 AND 207.5 AT STRINGERS 31L AND 32L. REPAIRED IAW EO 1059 AND 8110-3, DATED 8/08/08.
- [SDR FXGA351B](https://openairdocs.org/sdr/FXGA351B.md): Skin · damaged · Dec 7, 2010 · N351 · Robsin R22 · Fuselage Main, Plate/Skin
  > MULTIPLE LIGHTNING STRIKE DAMAGE SITES FOUND ON THE TOP OF THE FUSELAGE. DAMAGE LOCATED AT FUS STA 273 BETWEEN STR 1L AND 1R, FUS STA 338.5 ON STRINGER 3R, FUS STA 311 AT STR 3R, AND FUS STA 270 AT STR 3R. ALL DAMAGE REPAIRED IAW EAC EO1060 AND 8110-3, NR1031
- [SDR 2010FA0001190](https://openairdocs.org/sdr/2010FA0001190.md): Actuator · inoperative · Nov 12, 2010 · N5643 · Robsin R22 · Engine/Transmission Coupling
  > DURING 100 HR, ANNUAL INSP, BELT TENSION ACTUATOR (PN A051-1) WOULD NOT OPERATE PROPERLY TO FACILITATE NECESSARY CHECKS/INSP. DURING TROUBLESHOOTING, IN-LINE FUSE FOR ELECTRIC GEAR MOTOR ASSY (PN A051-2) HAD BLOWN. CONDUCTED TROUBLESHOOTING IAW MM TO ISOLATE
- [SDR AU510001576](https://openairdocs.org/sdr/AU510001576.md): Arm · worn · Dec 12, 2005 · Robsin R22 · Main Rotor Mast/Swashplate
  > MAIN ROTOR UPPER SCISSOR ARM WORN IN AREA OF SWASHPLATE BEARING ATTACHMENT. BOLT ALSO WORN.
- [SDR 2003FA0000605](https://openairdocs.org/sdr/2003FA0000605.md): Indicator · inaccurate · Apr 6, 2003 · N9071K · Robsin R22 · Fuel Indicating System
  > FUEL INDICATION SYSTEM INACCURATE: GAUGE READS.1875 FULL WHEN TANK IS EMPTY. REPLACED TRANSMITTER WITH OVERHAULED UNIT AND PROBLEM REMAINED THE SAME. ACCURACY OF SYSTEM SHOULD BE VERIFIED AT EACH ANNUAL OR 100 HOUR INSPECTION.
- [SDR 2003FA0000604](https://openairdocs.org/sdr/2003FA0000604.md): Transmitter · inoperative · Apr 6, 2003 · N9071K · Robsin R22 · Fuel Indicating System
  > LOW FUEL WARNING SYSTEM WAS INOPERATIVE: WARNING LIGHT DOES NOT ILLUMINATE WHEN FUEL IS EMPTY. INVESTIGATION REVEALED SYSTEM COMPONENTS OPERATIVE SATISFACTORY, BUT A (BUTT CONNECTOR) REPAIR HAD BEEN MADE ON THE WIRE FROM CIRCUIT BREAKER TO SYSTEM AT AN UNKNOW
- [SDR IVSA078654](https://openairdocs.org/sdr/IVSA078654.md): Actuator · defective · May 7, 2002 · Robsin R22 · Engine/Transmission Coupling
  > CLUTCH ACTUATOR MOTOR FAILED. (4TH TIME)
- [SDR IVSA078430](https://openairdocs.org/sdr/IVSA078430.md): Belt · stretched · Apr 9, 2002 · N7101J · Robsin R22 · Engine/Transmission Coupling
  > BELTS WERE REPLACED DURING 100HR INSPECTION AFTER 693.3 HOURS TSI. FAN WHEEL WAS BALANCED AND RUNUP WAS NORMAL. FIRST FLIGHT OF APPROXIMATELY 2 HOURS WAS UNEVENTFUL. DURING SECOND FLIGHT PILOT REPORTED CLUTCH LIGHT FLICKERED ON AND OFF SEVERAL TIMES. ON I
- [SDR CA011003004](https://openairdocs.org/sdr/CA011003004.md): V-Belt · torn · Sep 21, 2001 · Robsin R22 · Engine/Transmission Coupling
  > (CAN) BELTS SENT TO R.H.C. FOR INVESTIGATION. THEIR RESPONSE WAS THAT THE BELTS WERE DRY AND CAUSED SMALL CRACKS IN THE RUBBER WHERE THE BELTS ARE RIDING ON THE SHEAVE.
- [SDR 2001FA0000173](https://openairdocs.org/sdr/2001FA0000173.md): Drive Shaft · failed · Jun 7, 2001 · Robsin R22 · Tail Rotor Drive Shaft
  > DURING RUN-UP PRIOR TO TAKE-OFF, AN R22 TAIL ROTOR DRIVE CUT LOOSE AND SEVERED THE TAIL BOOM. HELICOPTER WAS ABOUT TO FLY TO A MAINTENANCE FACILITY FOR 100 HOUR INSPECTION. PRELIMINARY SURVEY INDICATES THAT THE INCIDENT WAS INITIATED BY THE TAIL ROTOR DRIVE
- [SDR AUS20010544](https://openairdocs.org/sdr/AUS20010544.md): Gearbox · cracked · May 22, 2001 · Robsin R22 · Main Rotor Gearbox
  > (AUS) MAIN ROTOR GEARBOX CRACKED IN LOWER AREA.
- [SDR AUS20010405](https://openairdocs.org/sdr/AUS20010405.md): Filter · leaking · Apr 21, 2001 · Robsin R22 · Engine Oil Distribution (Airframe Furnished)
  > (AUS) ENGINE OIL FILTER O' RING SEAL POPPED OUT ALLOWING OIL TO BE PUMPED OVERBOARD. THE RYCO R14 OIL FILTER IS FITTED TO SOME R22 AIRCRAFT BY AN ENGINEERING ORDER.
- [SDR AU001012](https://openairdocs.org/sdr/AU001012.md): Clutch · cracked · Oct 24, 2000 · Robsin R22 · Engine/Transmission Coupling
  > (AUS) ENGINE TO TRANSMISSION CLUTCH SHEAVE CRACKED FROM OUTER RETAINING BOLT. SEAL RETAINING PLATES ALSO CRACKED.
- [SDR AU000712](https://openairdocs.org/sdr/AU000712.md): Nut · mismanufactured · Sep 1, 2000 · Robsin R22 · Main Rotor Blades
  > (AUS) MAIN ROTOR RETENTION BOLT NUT FAULTY. NO LEAD ON THREAD. SUBMITTER STATED NUT WAS A NEW ITEM FROM ROBINSON. (X)
- [SDR 20000817SH009](https://openairdocs.org/sdr/20000817SH009.md): Bolt · loose · Aug 11, 2000 · N948WB · Robsin R22 · Fuel Control/Reciprocating Engines
  > THE CARBURETOR BOWL WAS ALMOST COMPLETELY DETACHED..3750 INCH GAP. ENGINE WOULD HARDLY RUN. ONLY ONE OF FOUR BOLTS LEFT HOLDING 3 OF THE 4 LOCK TABS FOR BOLTS GONE. REMAINING LOCK TAB WAS SPLIT. SUBMITTER STATED THIS CARBURETOR WOULD HAVE COMPLETELY SEPA
- [SDR AU000258](https://openairdocs.org/sdr/AU000258.md): Clutch · cracked · Apr 12, 2000 · Robsin R22 · Engine/Transmission Coupling
  > (AUS) CLUTCH ASSEMBLY FREE WHEEL UNIT REAR FACE PLATE CRACKED.
- [SDR 99ZZZX756](https://openairdocs.org/sdr/99ZZZX756.md): Crankshaft · mismanufactured · Jan 12, 1999 · Robsin R22 · Reciprocating Engine Power Section
  > AT OVERHAUL, CRANKSHAFT GEAR COUNTERBORE WAS INSPECTED PER FAA AD 91-14-22. NEW GEAR, P/N 13S19646, COULD NOT BE INSTALLED IN CRANKSHAFT DUE TO OUT-OF-TOLERANCE CONDITION OF DOWEL HOLE RADIAL POSITION IN CRANKSHAFT. CRANKSHAFT WAS REPAIRED BY RELOCATING DOWE
- [SDR AU981672](https://openairdocs.org/sdr/AU981672.md): Gear · failed · Dec 31, 1998 · Robsin R22 · Magneto/Distributor
  > (AUS) MAGNETO DISTRIBUTOR GEAR FINGER CENTERING HOLE ELONGATED CAUSING ENGINE TO RUN ROUGH.
- [SDR 98ZZZX4747](https://openairdocs.org/sdr/98ZZZX4747.md): Crankshaft · out of tolerance · Nov 24, 1998 · Robsin R22 · Reciprocating Engine Power Section
  > WHILE INSPECTING CRANKSHAFT, S/N V21384, PER TEXTRON LYC MSB 475B AND FAA AD 91-14-22, NOTICED CRANKSHAFT COUNTERBORE HAD BEEN FACTORY REPAIRED BY CHROME PLATING PER MSB 475B; CRANK FLANGE MARKED 'L-21884-1', HOWEVER, NEW 13S19646 GEAR MARKED 7189, 29/98, MFR3
- [SDR 98ZZZX4087](https://openairdocs.org/sdr/98ZZZX4087.md): Crankshaft · out of tolerance · Oct 16, 1998 · Robsin R22 · Reciprocating Engine Power Section
  > DURING TRIAL ASSY OF NEW CRANKSHAFT GEAR P/N 13S19646, MARKED 7/89, 27/98, MFR 30620, NOTED THAT GEAR WOULD NOT START INTO CRANKSHAFT COUNTERBORE DUE TO INTEFERENCE WITH THE COUNTERBORE ID AND/OR STD-1065 DOWEL. CRANKSHAFT WOULD BE ASSEMBLED WITH EARILIER 611

Next page: https://openairdocs.org/model/robinson-helicopter-r22/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 aircraft_model_key = 'R22'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/robinson-helicopter-r22/reports

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