# Service difficulty reports: JASC 6200

A list on [JASC 6200](https://openairdocs.org/jasc/6200.md).

Reports filed under 6200 · Main Rotor System, newest first.

Page 1 of 4 · 168 reports

- [SDR PN1R202603200003](https://openairdocs.org/sdr/PN1R202603200003.md): Torque Link · corroded · Mar 20, 2026 · N118JM · Agusta AW139
  > DURING INSPECTION, FOUND WHITE AND BLUE M/R TENSION LINK BUSHINGS FRETTED OUT OF PERMISSIBLE LIMITS. LIMIT: 39.040MM - WHITE: 39.050, BLUE: 39.050. S/N'S MC-10-0810 AND MCL1636
- [SDR PN1R202603200002](https://openairdocs.org/sdr/PN1R202603200002.md): Torque Link · cracked · Mar 20, 2026 · N98DQ · Agusta AW139
  > DURING INSPECTION, FOUND RED MAIN ROTOR TENSION LINK CRACKED. S/N MCL1771
- [SDR PN1R202603200001](https://openairdocs.org/sdr/PN1R202603200001.md): Torque Link · cracked · Mar 19, 2026 · N42EE · Agusta AW139
  > DURING INSPECTION FOUND RED, WHITE, YELLOW, AND BLACK MAIN ROTOR TENSION LINKS CRACKED. YELLOW S/N MCL1501, BLACK S/N MCL1535, WHITE S/N MCL1595, & RED S/N MCL1534.
- [SDR PN1R202603190001](https://openairdocs.org/sdr/PN1R202603190001.md): Link · cracked · Mar 19, 2026 · N614CJ · Agusta AW139
  > DURING INSPECTION FOUND WHITE, YELLOW, AND BLACK MAIN ROTOR TENSION LINKS CRACKED.
- [SDR QMLA012920007](https://openairdocs.org/sdr/QMLA012920007.md): Unknown · vibration · Jan 29, 2026 · N917AC · Urocop EC135P2
  > ACFT LAUNCHED FROM BASE, 13 MIN FLT WAS UNEVENTFUL, GW WAS 2754 & POWER WAS NORMAL. WHEN LIFTING FROM LOW ROOFTOP PAD, ACFT REQUIRED MORE TORQUE THAN EXPECTED TO HOGE, ASSUMPTION WAS HIGHER THAN EXPECTED WEIGHT BUT POST FLT DETAILED ANALYSIS: GW WAS 2778, OAT
- [SDR QMLA2025062120068](https://openairdocs.org/sdr/QMLA2025062120068.md): Sensor · failed · Jun 20, 2025 · N109LN · Snias AS350B3
  > LOSS OF NR INDICATION ONE CLIMB OUT. REMOVED NR SPEED SENSOR AND REPLACED WITH NEW AS PER AIRBUS AS350B3 AMM 62-31-00, 4-3.CLEANED AND APPLIED STABILANT 22 TO MGB HARNESS CANON PLUG. GROUND RAN AIRCRAFT. OPS CHECK GOOD.
- [SDR QMLA2025032820043](https://openairdocs.org/sdr/QMLA2025032820043.md): Absorber · leaking · Mar 27, 2025 · N984ME · Bolkms BK117C2
  > MRB VIBE ABSORBERS LEAKING.
- [SDR QMLA2024122320151](https://openairdocs.org/sdr/QMLA2024122320151.md): Monitor · faulted · Dec 21, 2024 · N982LF · Bolkms BK117C2
  > WHILE TRANSITIONING FROM CRUISE INTO HIGH RECON & STARTING A DESCENT FOR A HOSPITAL HELIPAD, LOW ROTOR SYSTEM ACTIVATED. AS IS MY PRACTICE, ALREADY HOLDING THE INCR/DCR SWITCH TO RAISE ROTOR SPEED IF SOMETHING LIKE THIS SHOULD HAPPEN HOWEVER THERE WAS NO RISE
- [SDR EVCA202406240002](https://openairdocs.org/sdr/EVCA202406240002.md): Blade · cracked · Jun 24, 2024 · N271AE · Bell 206L3
  > M/R BLADE INBOARD TRIM TABS CRACKED
- [SDR QMLA2024060720059](https://openairdocs.org/sdr/QMLA2024060720059.md): Tube · interference · Jun 7, 2024 · N329AM · Urocop EC130B4
  > CONTROL INTERFERENCE. CYCLIC DISPLACES IN LATERAL AXIS WHEN COLECTIVE IS MOVED. PILOT WAS MOVING THE AIRCRAFT FROM THE GRASS NEXT TO THE HELIPAD TO HELIPAD. WHILE PICKING THE AIRCRAFT UP INTO A HOVER HE NOTED THAT WHILE PULLING COLLECTIVE THE CYCLIC WAS MOVIN
- [SDR QR9R2024040900004](https://openairdocs.org/sdr/QR9R2024040900004.md): Bolt · failed insp · Apr 9, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, DETECTED CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024040900003](https://openairdocs.org/sdr/QR9R2024040900003.md): Bolt · failed insp · Apr 9, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, DETECTED CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024040900002](https://openairdocs.org/sdr/QR9R2024040900002.md): Bolt · failed insp · Apr 9, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, DETECTED CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024040900001](https://openairdocs.org/sdr/QR9R2024040900001.md): Bolt · failed insp · Apr 9, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, DETECTED CRACKS IN BOLT USING NDI METHOD.
- [SDR M3XA20240329004](https://openairdocs.org/sdr/M3XA20240329004.md): Rotor · unknown · Mar 29, 2024 · N910GX · Bell 407
  > PILOT REPORTED A BIRD STRIKE TO THE ROTOR SYSTEM.
- [SDR QR9R2024031500001](https://openairdocs.org/sdr/QR9R2024031500001.md): Bolt · cracked · Mar 15, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024031400002](https://openairdocs.org/sdr/QR9R2024031400002.md): Bolt · cracked · Mar 14, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024031400001](https://openairdocs.org/sdr/QR9R2024031400001.md): Bolt · cracked · Mar 14, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400010](https://openairdocs.org/sdr/QR9R2024030400010.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400009](https://openairdocs.org/sdr/QR9R2024030400009.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400008](https://openairdocs.org/sdr/QR9R2024030400008.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400007](https://openairdocs.org/sdr/QR9R2024030400007.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400006](https://openairdocs.org/sdr/QR9R2024030400006.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400005](https://openairdocs.org/sdr/QR9R2024030400005.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400004](https://openairdocs.org/sdr/QR9R2024030400004.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400003](https://openairdocs.org/sdr/QR9R2024030400003.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400002](https://openairdocs.org/sdr/QR9R2024030400002.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR QR9R2024030400001](https://openairdocs.org/sdr/QR9R2024030400001.md): Bolt · cracked · Mar 4, 2024 · Bolkms BK117C2
  > DURING 800 HR INSPECTION, FOUND CRACKS IN BOLT USING NDI METHOD.
- [SDR 2024FA0000139](https://openairdocs.org/sdr/2024FA0000139.md): Damper · cracked · Feb 7, 2024 · N703HG · Skrsky S61N
  > AFTER THE SECOND GROUND TURN ON A/C 61703 FEBRUARY 06, 2024 THE DAMPER LISTED ABOVE CRACKED AT THE INBOARD SIDE OF THE DAMPER HOUSING. THE AIRCRAFT PERFORMED ONE GROUND TURN PRIOR TO THIS DAY. WE REMOVED THE DAMPER AND PERFORMED A DISASSEMBLY TO ACCESS WHAT C
- [SDR 2023FA0000811](https://openairdocs.org/sdr/2023FA0000811.md): Bushing · scored · Dec 5, 2023 · N383MD · Agusta AW139
  > DURING INSPECTION FOUND WHITE TENSION LINK FLANGE BUSHING BORE SCORED.
- [SDR 2023FA0000808](https://openairdocs.org/sdr/2023FA0000808.md): Ring · gouged · Dec 5, 2023 · N702FF · Bolkms BK117C2
  > DURING INSPECTION, FOUND GOUGES ON THE DISTANCE RINGS OF ALL (4EA) MAIN ROTOR BLADE VIBRATION ABSORBER ASSEMBLIES.
- [SDR EVCA20231027001](https://openairdocs.org/sdr/EVCA20231027001.md): Blade · cracked · Oct 26, 2023 · N1821 · Bell 206L4
  > VAN HORN M/R BLADE INBOARD TRIM TABS CRACKED.
- [SDR 2023FA0000506](https://openairdocs.org/sdr/2023FA0000506.md): Spindle · brinelled · Sep 1, 2023 · N938SH · Robsin R22BETAII
  > SPINDLE BEARINGS FOUND TO BE BRINELLING AFTER 130 HOURS OF FLIGHT WITH NO REPORTED OVERSPEED. THIS IS THE SECOND TIME THIS HAS HAPPENED TO THIS HELICOPTER WITH IN THE SPAN OF 3 MONTHS. WITH THE BLADES REMOVED FROM THE HELICOPTER YOU CAN TURN THE SPINDLE AND HA
- [SDR EVCA2023083020](https://openairdocs.org/sdr/EVCA2023083020.md): Blade · unknown · Aug 29, 2023 · N1807 · Bell 206L4
  > DISCOVERED PERPENDICULAR CRACK 104 INCHES FROM TIP CAP STARTING AT TRAILING EDGE RUNNING UP TO SPAR ON BELL MAIN ROTOR BLADE P/N 206-015-001-119 S/N VL00249530
- [SDR 2023FA0000426](https://openairdocs.org/sdr/2023FA0000426.md): Bolt · grooved · Aug 10, 2023 · N261HC · Agusta AW109SP
  > IT WAS REPORTED AS THE AIRCRAFT WAS COMING IN FOR A 200-HOUR INSPECTION. A SLIGHT BUMP COULD BE FELT IN FLIGHT; DURING THE INSPECTION, ALL PC LINK ROD ENDS, AND BOLTS WERE INSPECTED, AND THE BLUE UPPER BOLT WAS FOUND TO HAVE A STEP WORN INTO IT, THE BOLT WAS R
- [SDR 2023F00178](https://openairdocs.org/sdr/2023F00178.md): Servo · broken · May 22, 2023 · N314 · Kaman K1200
  > THERE WAS A CATASTROPHIC FAILURE OF THE LEFT HAND MAIN ROTOR SYSTEM CAUSING THE AIRCRAFT TO CRASH. A SERVO FLAP BROKE OFF WHILE THE PILOT WAS LIFTING AN EXTERNAL LOAD CAUSING THE LEFT WHITE BLADE TO MAKE CONTACT WITH THE RIGHT ROTOR HEAD THAT LEAD ROTOR SYSTEM
- [SDR EVCA03102023](https://openairdocs.org/sdr/EVCA03102023.md): Blade · unserviceable · Mar 9, 2023 · N29AE · Bell 206L3
  > MR BLADE TRIM TAB CTRACKED
- [SDR 2022FA0000413](https://openairdocs.org/sdr/2022FA0000413.md): Bearing · brinelled · Jul 26, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED SPINDLE ASSEMBLIES AND PERFORMED MR SPINDLE BEARING REPLACEMENT IAW RHC COMPONENT MAINTENANCE MANUAL. (NEW NHBB MANUFAC
- [SDR 2022FA0000412](https://openairdocs.org/sdr/2022FA0000412.md): Bearing · brinelled · Jul 26, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED SPINDLE ASSEMBLIES AND PERFORMED MR SPINDLE BEARING REPLACEMENT IAW RHC COMPONENT MAINTENANCE MANUAL (NEW NHBB MANUFACTU
- [SDR 2022FA0000411](https://openairdocs.org/sdr/2022FA0000411.md): Bearing · brinelled · Jul 13, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED SPINDLE ASSEMBLIES FOR FURTHER EVALUATION. INSTALLED NEW A005-15 SPINDLE ASSEMBLIES, TRACKED AND BALANCED MR SYSTEM AND
- [SDR 2022FA0000410](https://openairdocs.org/sdr/2022FA0000410.md): Bearing · brinelled · Jul 13, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED SPINDLE ASSEMBLIES FOR FURTHER EVALUATION. INSTALLED NEW A005-15 SPINDLE ASSEMBLIES, TRACKED AND BALANCED MR SYSTEM AND
- [SDR 2022FA0000286](https://openairdocs.org/sdr/2022FA0000286.md): Hub · cracked · Jun 10, 2022 · N6006K · Hiller UH12E
  > A CRACK WAS FOUND ON THE OUTSIDE OF M/R HUB ORIGINATING FROM INBOARD TT PIN HOLE. THE CRACK EXTENDS FROM THE INSIDE DIAMETER OF THE BORE TO THE OUTSIDE OF THE HUB. AFTER CLOSE EXAMINATION IT SEEMS THAT THERE ARE ROUGH MACHINING MARKS THAT CAUSED A STRESS CONCE
- [SDR 2022FA0000409](https://openairdocs.org/sdr/2022FA0000409.md): Bearing · brinelled · May 27, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED MR BLADE AND SPINDLE ASSEMBLIES FOR FURTHER EVALUATION. INSTALLED NEW MR BLADES AND SPINDLE ASSEMBLIES, TRACKED AND BALA
- [SDR 2022FA0000408](https://openairdocs.org/sdr/2022FA0000408.md): Bearing · brinelled · May 27, 2022 · N1118N · Robsin R22BETAII
  > PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED MR BLADE AND SPINDLE ASSEMBLIES FOR FURTHER EVALUATION. INSTALLED NEW MR BLADES AND SPINDLE ASSEMBLIES, TRACKED AND BALA
- [SDR 2025FA0000707](https://openairdocs.org/sdr/2025FA0000707.md): Bearing · brinelled · Apr 27, 2022 · N150LE · Robsin R22BETAII
  > FOUND BOTH SPINDLE BEARING SETS P/N A159-3, TSN: 318.3, BRINELLED. NO OVER SPEEDS
- [SDR L9QR202111100002](https://openairdocs.org/sdr/L9QR202111100002.md): Spindle · brinelled · Oct 31, 2021 · Robsin R22BETA
  > MAIN ROTOR SPINDLES BRINELLED AFTER 554.2 HOURS TIS. NO OVERSPEEDS REPORTED
- [SDR L9QR202111100001](https://openairdocs.org/sdr/L9QR202111100001.md): Spindle · brinelled · Oct 31, 2021 · Robsin R22BETA
  > MAIN ROTOR SPINDLE BEARINGS BRINELLED AFTER 298.2 HOURS TIS. NO REPORTED OVERSPEED
- [SDR EVCA102621(2)](https://openairdocs.org/sdr/EVCA102621(2).md): Blade · cracked · Oct 26, 2021 · N342AE · Bell 407
  > GREEN MR BLADE CRACKED
- [SDR EVCA102621](https://openairdocs.org/sdr/EVCA102621.md): Blade · cracked · Oct 26, 2021 · N342AE · Bell 407
  > ORANGE MR BLADE CRACKES AS MARKED APPROX 73" AND 80" FROM BLADE ROOT BOTTOM SIDE OF BLADE
- [SDR QR9R20210825001](https://openairdocs.org/sdr/QR9R20210825001.md): Bolt · cracked · Aug 25, 2021 · Bolkms BK117C2
  > NDI INSPECTION REVEALED HEX BOLT WAS CRACKED ON BASE OF BOLT HEAD.

Next page: https://openairdocs.org/jasc/6200/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 = '6200'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/6200/reports

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