# Service difficulty reports: JASC 7414

A list on [JASC 7414](https://openairdocs.org/jasc/7414.md).

Reports filed under 7414 · Magneto/Distributor, newest first.

Page 1 of 49 · 2,448 reports

- [SDR 2026FA0000899](https://openairdocs.org/sdr/2026FA0000899.md): Magneto · faulted · Oct 22, 2026 · N3574Q · Piper PA28RT201T
  > LEFT MAGNETO STARTED TO SKIP GEARING DURING FLIGHT. PILOT ABORTED ROUTE AND RETURNED TO DEPARTURE AIRPORT.
- [SDR 2026FA0000879](https://openairdocs.org/sdr/2026FA0000879.md): Impulse Coupling · sheared · Oct 20, 2026 · N797DL
  > IMPULSE COUPLING FAILED ON SLICK 4373 MAGNETO. MAGNETO HAD 230 HOURS AND 123 START CYCLES SINCE 500 HOUR IRAN. TOTAL TIME ON MAGNETO 765 HOURS. IMPULSE COUPLING WAS REPLACED WITH NEW M3529 SLICK IMPULSE COUPLING AT TIME OF IRAN DUE TO EXCESSIVE WEAR ON EXISTIN
- [SDR 2026FA0000787](https://openairdocs.org/sdr/2026FA0000787.md): Impulse Coupling · destroyed · Sep 25, 2026 · N797GA · Gulstm GA7
  > LOOSE RIVETS ON IMPULSE COUPLING THAT HOLD THE PAWLS ONTO THE PLATE. SMALL CONTACT DAMAGE TO UNDERSIDE OF MAGNETO FACE BY PAWLS DUE TO LOOSE RIVETS.
- [SDR 2026FA0000795](https://openairdocs.org/sdr/2026FA0000795.md): Magneto · faulted · Sep 7, 2026 · N1416T · Piper PA28140
  > DURING FLIGHT, THE ENGINE EXPERIENCED A SMOOTH PARTIAL LOSS OF POWER WITH AN RPM DECREASE OF APPROX 200–400 RPM. DISCONTINUED THE FLIGHT & MADE AN EMERGENCY LANDING AT AN AIRPORT OTHER THAN THE ACFT’S HOME AIRPORT. THE MAGNETO HAD APPROX 115 HRS OF SERVICE &
- [SDR 2026FA0000684](https://openairdocs.org/sdr/2026FA0000684.md): Seal · failed · Sep 5, 2026 · N225WS · Cessna 172S
  > AFTER COMPLETION OF THE ANNUAL INSPECTION, WE PERFORMED A POST INSPECTION RUN. DURING IDLE WE CHECKED EACH MAGNETO AND FOUND THAT THE ENGINE RAN SIGNIFICANTLY ROUGHER ON THE LEFT MAGNETO THAN THE RIGHT MAGNETO. AT HIGHER RPM OPERATION WAS NORMAL. REMOVED LEF
- [SDR 2026FA0000662](https://openairdocs.org/sdr/2026FA0000662.md): Points · defective · Aug 23, 2026 · N2711C · Cessna 170B
  > THE ENGINE INTERMITTENTLY RAN ROUGH ON THE RIGHT MAG CHECK AND WOULD OCCASIONALLY COMPLETELY CUT OUT BUT THE EGT'S DIDN'T POINT TO ANY PARTICULAR CYLINDER. THE P LEADS AND IGNITION SWITCH TESTED GOOD. I REMOVED AND DISASSEMBLED THE RIGHT MAG. I FOUND THE RIVE
- [SDR 2026FA0000596](https://openairdocs.org/sdr/2026FA0000596.md): Impulse Coupling · loose · Jul 17, 2026
  > IMPULSE COUPLING CAM ASSEMBLY HAS LOOSE RIVETS SIMILAR TO THOSE FOUND WITHIN SB2-19A & AD 99-04-04. OUTSIDE OF S/N RANGE FOR SB2-19A & OUTSIDE OF MODEL NUMBER RANGE FOR AD 99-04-04
- [SDR 2026FA0000595](https://openairdocs.org/sdr/2026FA0000595.md): Impulse Coupling · loose · Jul 17, 2026
  > IMPULSE COUPLING CAM ASSEMBLY HAS LOOSE RIVETS SIMILAR TO THOSE FOUND WITHIN SB2-19A & AD 99-04-04. OUTSIDE OF S/N RANGE FOR SB2-19A & OUTSIDE OF MODEL NUMBER RANGE FOR AD 99-04-04
- [SDR 2026FA0000631](https://openairdocs.org/sdr/2026FA0000631.md): Impulse Coupling · destroyed · Jul 8, 2026 · N231S · Beech V35
  > THE PILOT/OWNER ATTEMPTED TO START THE PLANE. AFTER THE FIRST FAILED START, THE PROPELLER STOPPED SPINNING DURING THE SECOND ATTEMPTED START. THE PILOT ABORTED THE START AND ALERTED ME TO A GRINDING SOUND. UPON INSPECTING THE ENGINE, THE LEFT MAGNETO HOUSING H
- [SDR 2026FA0000593](https://openairdocs.org/sdr/2026FA0000593.md): Impulse Coupling · sheared · Jul 8, 2026 · N5367H · Cessna 172M
  > AIRCRAFT REPORTED TO BE HARD TO START OVER MULTIPLE STARTS. DURING 100HR INSPECTION REMOVED LEFT MAGNETO P/N 4371 AND DISASSEMBLED FOR INSPECTION. DURING INSPECTION OF MAGNETO FOUND 1 PAWL PIN SHEARED FROM IMPULSE COUPLING.
- [SDR 2026FA0000419](https://openairdocs.org/sdr/2026FA0000419.md): Magneto · out of adjust · May 20, 2026 · N556PA · Piper PA28140
  > ENGINE WAS INSTALLED JULY 2025. TIME SINCE OVERHAUL IS 100 HOURS. FOUND ENGINE DAMAGE DUE TO LEFT MAG BEING ADVANCED 15 DEGREES. PULLED ENGINE AND SHIPPED BACK TO AVIAN AERONAUTICS FOR REPAIR.
- [SDR 2026FA0000408](https://openairdocs.org/sdr/2026FA0000408.md): Impulse Coupling · unserviceable · May 19, 2026 · N797GA · Gulstm GA7
  > MAGNETO REMOVED FOR IMPULSE COUPLING INSPECTION. CHAMPION PRODUCED IMPULSE COUPLING FOUND INSTALLED. BOTH RIVETS HOLDING THE PAWLS IN WERE FOUND TO BE BENT.
- [SDR 2026FA0000578](https://openairdocs.org/sdr/2026FA0000578.md): Magneto · failed · Apr 27, 2026 · N662JJ · Cirrus SR20
  > PILOT REPORTED NO START. MAINTENANCE CONFIRMED NO START. CHECKED POWER TO SLICK START, OKAY. CHECKED MAGNETO TO ENGINE TIMING, FOUND LEFT MAGNETO POINTS NOT OPENING. FOUND FACTORY PUTTY BROKEN ON LEFT MAGNETO.
- [SDR 2026FA0000201](https://openairdocs.org/sdr/2026FA0000201.md): Impulse Coupling · defective · Mar 20, 2026 · N314AV · Cessna 172M
  > MAGNETO PULLED DURING ROUTINE MAINTENANCE TO CHECK FOR THE PRESENCE OF A CHAMPION MANUFACTURED IMPULSE COUPLING. ONE WAS FOUND INSTALLED AND THUS REMOVED FOR REPLACEMENT WITH A NEW ES3163 IMPULSE COUPLING. AFTER REMOVAL OF THE OLD IMPULSE COUPLING, I DISASSEM
- [SDR 2026FA0000173](https://openairdocs.org/sdr/2026FA0000173.md): Coil · bent · Mar 11, 2026 · Cessna 172R
  > UNDER NORMAL FLIGHT OPERATIONS, AT FIRST ROUTINE 500-HOUR INSPECTION FOUND COIL TAB WORN OUT OF LIMITS BECAUSE THE TAB WAS INCORRECTLY BEND AT FACTORY.
- [SDR 2026FA0000157](https://openairdocs.org/sdr/2026FA0000157.md): Dowel Pin · sheared · Mar 4, 2026 · N4181W · Piper PA32300
  > THE MAGNETO IMPULSE COUPLER LOCKED UP AND BROKE THE GEARS INSIDE THE BACK OF THE ENGINE. THIS SHEARED THE DOWEL PIN IN THE BACK OF THE CRANKSHAFT CAUSING ENGINE STOPPAGE.
- [SDR 2026FA0000064](https://openairdocs.org/sdr/2026FA0000064.md): Magneto · failed · Jan 29, 2026
  > SLICK MAGNETO (MODEL NR 6350 S/N 15087263) FOLLOWER ARM OF CONTACTOR POINTS BROKE AFTER 76 HOURS SINCE NEW. THE BREAK OCCURRED AT THE BEND ON THE SIDE OF THE SPRINGY METAL FOLLOW ARM. THIS CAUSED THE MAGNETO TO FAIL (DEAD MAG) DURING BEFORE TAKEOFF MAGNETO CH
- [SDR 2026FA0000198](https://openairdocs.org/sdr/2026FA0000198.md): Impulse Coupling · destroyed · Jan 23, 2026 · N126AV · Cessna 172S
  > PILOT REPORT OF FLUCTUATING RPM'S WHILE IN CRUISE FLIGHT, PLUS OR MINUS 400RPM. DURING GROUND RUN FOR TROUBLESHOOTING, RH MAGNETO MAG DROP WAS EXCESSIVE. FURTHER ATTEMPTS AT CLEARING PLUGS, ETC, TO THEN RECHECK RH MAGNETO DROP RESULTED IN COMPLETE ENGINE SHUT
- [SDR 2026FA0000226](https://openairdocs.org/sdr/2026FA0000226.md): Magneto · failed · Nov 17, 2025 · Cessna 150
  > WHILE REDUCING POWER ON LANDING, ENG RAN VERY ROUGH. AFTER LANDING MAGNETO CHECK CAUSE LARGE DROP IN RPMS ON BOTH MAGS. MECHANICS FIRST REPAIRED INDUCTION LEAK WHICH DID NOT SOLVE MAG DROP. THEN THEY CHANGED THE CARBURETOR WHICH DID NOT SOLVE PROBLEM, THEN
- [SDR YENA2025100200990](https://openairdocs.org/sdr/YENA2025100200990.md): Igniter · worn · Oct 1, 2025 · N2169J · Airbus A321271NX
  > FLT#687, BOS-LAX. (ETOPS) ENGINE IGN 1 B FAULT ( IGNITION SYSTEMS B) SYSTEM B); FOUND L ENG IGN-B IGNITER PLUG FULLY WORN OUT. REMOVED AND REPLACED L ENG IGNITER PLUG-B PER EMM 74-21-01. OPS CK'D SATIS & ITEM OK FOR SVC AT THIS TIME
- [SDR 8HBR20260215074](https://openairdocs.org/sdr/8HBR20260215074.md): Magneto · mechanic error · Sep 26, 2025 · N89312 · Cessna 152
  > AIRCRAFT EXPERIENCED A TOTAL LOSS OF ENGINE POWER RESULTING IN AN UNSCHEDULED LANDING. AFTER THE RH MAGNETO WAS CHANGED IN THE FIELD THE AIRCRAFT RETURNED TO HOME BASE. UPON FURTHER INVESTIGATION THE LH MAGNETO WAS REMOVED AND INSPECTED, IT WAS FOUND THAT THE
- [SDR 8HBR20260215073](https://openairdocs.org/sdr/8HBR20260215073.md): Magneto · mismanufactured · Sep 26, 2025 · N89312 · Cessna 152
  > PILOT EXPERIENCED A TOTAL ENGINE FAILURE. UPON INSPECTION IT WAS FOUND THAT THE RH MAGNETO WAS ASSEMBLED INCORRECTLY, CAUSING THE DISTRIBUTOR GEAR BRUSH TO ARC TO THE COIL TAB, RESULTING IN A FAILED MAGNETO.
- [SDR 2025FA0000636](https://openairdocs.org/sdr/2025FA0000636.md): Impulse Coupling · failed · Aug 26, 2025 · N374SM · Mooney M20J
  > I HAVE NOW HAD 2 QUALITY AICRAFT ACCESSORIES (QAA/HARTZELL)-OVERHAULED SLICK 4372 MAGNETOS W/ IMPULSE COUPLINGS VIOLENTLY SELF-DESTRUCT IN THE SPAN OF 200 HOURS. HARTZELL, THE PARENT COMPANY OF QAA, HAS INFORMED ME THAT BOTH MAGNETOS HAD BRAND NEW OEM CHAMPIO
- [SDR 2025FA0000559](https://openairdocs.org/sdr/2025FA0000559.md): Magneto · failed · Aug 20, 2025 · N120N
  > LOSS OF POWER IN FLIGHT. MAGNETO FAILURE
- [SDR 3EJA202508200002](https://openairdocs.org/sdr/3EJA202508200002.md): Pickup · unknown · Aug 4, 2025 · N799JS · Cessna 525B
  > TESTED THE ANTI ICE SYSTEMS DURING CLIMB. ACTIVATED ANTI-ICE SYSTEMS PRIOR TO ENTERING AND EXPERIENCED MODERATE ICING CONDITIONS. TURNED SYSTEMS OFF WHEN VMC BETWEEN LAYERS. ACTIVATED SYSTEMS AGAIN JUST PRIOR TO ENTERING IMC AND GOT A T2 HEATER FAIL L. SWAP
- [SDR 2025FA0000513](https://openairdocs.org/sdr/2025FA0000513.md): Magneto · failed · Jul 23, 2025 · N822R · Cirrus SR22T
  > PILOT OBSERVED #4 CYLINDER INDICATING IN THE RED. PERFORMED UNSCHEDULED LANDING AT KBOI. LOCAL FBO PERFORMED TROUBLESHOOTING. TESTED PROBES WITH GOOD RESULTS. PERFORMED ENG RUN. FOUND LT MAG WITH EXCESSIVE DROP (OVER 900 RPM) & CAUSE ENG TO DIE. VERIFIED ENG
- [SDR 2025FA0000529](https://openairdocs.org/sdr/2025FA0000529.md): Filter · melted · Jul 18, 2025 · Cirrus SR22T
  > PRESSURIZED MAGNETO AIR SOURCE FILTER MELTED/DEFORMED AFTER ONLY 79H AFTER INSTALLATION. BLOCKAGE OF AIR TO MAGNETO CAUSED LEFT MAGNETO FAILURE, WHICH WAS ALSO JUST 79H AFTER REPLACEMENT. PROBLEM SEEMS TO OCCUR FREQUENTLY WITH THAT FILTER INSTALLATION IN SR22
- [SDR 2026FA0000200](https://openairdocs.org/sdr/2026FA0000200.md): Impulse Coupling · destroyed · Jun 30, 2025 · N2VQ · Piper PA30
  > PILOT REPORT OF HEARING A BANG AT STARTUP. WHILE BRINGING THE PLANE TO THE MAINTENANCE SHOP ACROSS THE AIRFIELD, THE PILOT HEARD A LOUD GRINDING NOISE COMING FROM THE LH ENGINE, HE THEN SHUT THE ENGINE DOWN. IT WAS DISCOVERED DURING VISUAL INSPECTION THAT THE
- [SDR 2026FA0000199](https://openairdocs.org/sdr/2026FA0000199.md): Impulse Coupling · destroyed · Jun 25, 2025 · N24TE · Piper PA39
  > I HEARD THE ENGINE BACKFIRE A FEW TIMES DURING TAKEOFF/INITIAL CLIMB OUT AROUND 6/20/2025. PLANE WAS BROUGHT TO MAINTENANCE 6/25/2025 FOR REPORTS OF INABILITY TO START THE RH ENGINE. AFTER MULTIPLE STARTING ATTEMPTS, A VISUAL INSPECTION WAS CONDUCTED ON THE EN
- [SDR 2025FA0000401](https://openairdocs.org/sdr/2025FA0000401.md): Housing · failed · Jun 6, 2025 · N93HB · Cessna T182
  > I HAD THE ELECTROAIR DUAL EIS INSTALLED BY THEIR RECOMMENDED INSTALLER. I HAD 3 NEW SEPARATE MTH (MAG TIMING HOUSING) FAILURES RESULTING IN VERY POOR ENGINE OPERATION. THE 1ST MTH FAILED DUE TO GEARS COMING APART. THE 2ND FROM WHAT THE IA SAID WAS A "FREQUENCY
- [SDR 2025FA0000286](https://openairdocs.org/sdr/2025FA0000286.md): Impulse Coupling · broken · Apr 22, 2025 · N42007 · Cessna 172R
  > WHILE PERFORMING HARTZELL AVIATION ALERT S.B. NO. 225 IT WAS FOUND ON MAGNETO S/N H-Y103862 HAD A BROKEN IMPULSE CAM ASSEMBLY PIN. MAGNETO WAS INSTALLED 4/14/2025 AND REMOVED FOR INSPECTION ON 4/21/2025. HARTZELL AVIATION HAS BEEN NOTIFIED.
- [SDR 2025FA0000265](https://openairdocs.org/sdr/2025FA0000265.md): Magneto · defective · Apr 12, 2025 · N7144S · Cessna 150H
  > LARGE MAG DROP ON RUNUP THAT WAS SIGNIFICANT ENOUGH TO ALMOST SHUT DOWN THE ENGINE. MAGNETO HAD 568.9 HOURS SINCE INSTALLATION ON THE ENGINE, AND WAS INSTALLED 10 MONTHS AGO.
- [SDR 2025FA0000262](https://openairdocs.org/sdr/2025FA0000262.md): Impulse Coupling · failed · Apr 11, 2025 · N8024Q · Piper PA44180
  > IN FLIGHT, RH ENGINE SUFFERED PARTIAL OIL PRESSURE LOSS. PRECAUTIONARY LANDING MADE AT KOXB. TROUBLESHOT LOSS OF OIL PRESSURE, DETERMINED TO BE AN INTERNAL ENGINE ISSUE. REMOVED ENGINE FROM SERVICE AND SENT TO COLUMBIA AIRCRAFT SERVICES INC. FOR INSPECTION/REP
- [SDR 2025F00056](https://openairdocs.org/sdr/2025F00056.md): Magneto · failed · Mar 1, 2025 · N852VL · Piper PA32260
  > RUN UP ENGINE WENT DOWN WHEN TESTING.
- [SDR 2025FA0000103](https://openairdocs.org/sdr/2025FA0000103.md): Magneto · contaminated · Feb 12, 2025 · N5823A · Piper PA44180
  > THE MAGNETO WAS FOUND TO HAVE A LARGE AMOUNT OF GREASE ON THE CAM, ENOUGH TO EASILY SLING INTO THE POINT ASSEMBLY WHICH WOULD CAUSE THE MAGNETO TO COMPLETELY FAIL. THIS WAS AN OUT OF BOX ISSUE, NEW MAGNETO.
- [SDR 2025FA0000105](https://openairdocs.org/sdr/2025FA0000105.md): Magneto · contaminated · Feb 11, 2025 · N834AT · Piper PA44180
  > THE MAGNETO ROTOR SHEARED, THE MAGNETO DROPS DURING A CHECK WERE FOUND TO BE VERY HIGH. WHEN THE MAGNETO WAS REMOVED FROM THE ENGINE IT WAS FOUND THAT THE ROTOR SHAFT HAD COMPLETELY SHEARED.
- [SDR 2025FA0000104](https://openairdocs.org/sdr/2025FA0000104.md): Magneto · contaminated · Feb 11, 2025 · N834AT · Piper PA44180
  > THE MAGNETO WAS FOUND TO HAVE A LARGE AMOUNT OF GREASE ON THE CAM, ENOUGH TO EASILY SLING INTO THE POINT ASSEMBLY WHICH WOULD CAUSE THE MAGNETO TO COMPLETELY FAIL. THIS WAS AN OUT OF BOX ISSUE, NEW MAGNETO.
- [SDR 2025FA0000140](https://openairdocs.org/sdr/2025FA0000140.md): Magneto · faulted · Jan 24, 2025 · N81DX · Cirrus SR22T
  > THE COMMERCIAL STUDENT ON BOARD WAS PERFORMING THE DUTIES OF PILOT IN COMMAND (PIC) WHILE A CERTIFIED FLIGHT INSTRUCTOR ACTED AS THE PIC INSTRUCTOR. THE OUTBOUND FLIGHT WAS UNEVENTFUL; HOWEVER, DURING THE RETURN AND WHILE ON CRUISE FLIGHT ON V21 NEAR MLD, THER
- [SDR 2025FA0000071](https://openairdocs.org/sdr/2025FA0000071.md): Stop Pin · loose · Dec 26, 2024 · N688C
  > CUSTOMER BROUGHT AIRCRAFT WITH ENGINE WITH DIFFICULTY LEANING ENGINE WITHOUT HAVING THE ENGINE REACH A VERY HIGH TIT. ENGINE HAD HIGH MAG DROP DURING OUR MAG DROP CHECK. DATA PLATE SPECIFIES IGNITION TO OCCUR AT 24 DEGREES BTDC, LEFT MAG FOUND MAG POINTS OPEN
- [SDR 2024FA0000751](https://openairdocs.org/sdr/2024FA0000751.md): Impulse Coupling · failed · Oct 3, 2024 · Cessna 402C
  > IMPULSE COUPLING FAILURE CAUSED RT MAGNETO TO BE INOPERATIVE AND METAL CONTAMINATION OF ENGINE.
- [SDR 2024FA0000741](https://openairdocs.org/sdr/2024FA0000741.md): Magneto · making metal · Sep 25, 2024 · N756MN · Cessna R182
  > RECENTLY INSTALLED ELECTROAIR ELECTRONIC IGNITION SYSTEM EIS-61000-5M AND EIS-61000-5C. WHILE TROUBLE SHOOTING ERRONEOUS RPM INDICATIONS WE OPENED THE COVER OF THE MAGNETO TIMING HOUSING (MTH) AND FOUND SIGNIFICANT SHAVINGS IN THE CASE. BORESCOPE INSPECTION SH
- [SDR FQAR202409251214](https://openairdocs.org/sdr/FQAR202409251214.md): Shaft · sheared · Sep 25, 2024 · N302PA · Piper PA44180
  > MAGNETO REMOVED AFTER 67 HRS IN SERVICE SINCE LAST 500HR INSPECTION, UPON DISSASSEMBLY FOUND THE DRIVE END OF THE ROTATING MAGNET SHAFT SHEARED INSIDE THE MAGNET BODY
- [SDR 8HBR20240909065](https://openairdocs.org/sdr/8HBR20240909065.md): Bearing · broken · Sep 9, 2024 · N7148A · Robsin R22BETA
  > COIL TAB WAS BENT TOO FAR UP DURING MANUFACTURING INSTALLATION, WHICH CAUSED A DEEP ANGULAR DIVOT TO BE WORN IN THE COIL TAB BY THE DISTRIBUTOR BLOCK GEAR SINCE IT WAS NOT FLAT AGAINST THE GEAR. MAGNETO HAD NOT BEEN OPENED SINCE NEW AND THIS DAMAGE WAS DISCOVE
- [SDR 8HBR20240909068](https://openairdocs.org/sdr/8HBR20240909068.md): Gear · damaged · Aug 27, 2024 · N5318M · Cessna 152
  > CAM GEAR WAS IMPROPERLY INSTALLED/SEATED DURING MANUFACTURE, WHICH CAUSED EXCESSIVE WEAR AND DAMAGE TO THE CAM GEAR DURING ROTATION AGAINST THE DISTRIBUTOR GEAR. THIS WAS THE FIRST 500HR INSPECTION SINCE THE MAGNETO WAS MANUFACTURED.
- [SDR 2024FA0000627](https://openairdocs.org/sdr/2024FA0000627.md): Magneto · failed · Aug 16, 2024 · N501GW · Cessna T206H
  > MAGNETO FAILED
- [SDR 2024FA0000599](https://openairdocs.org/sdr/2024FA0000599.md): Case Half · worn · Aug 13, 2024 · N20565 · Cessna 172M
  > REMOVED AND REPLACED RH MAGNETO DUE TO 500 HOUR OVERHAUL LIMIT. NEW MAGNETO INSTALLED FOR 78.2 HOURS BEFORE A FLIGHT WAS CANCELLED DUE TO EXCESSIVE VIBRATION AND HIGH MAG DROP ON RH SIDE AT PRE-RUN. ATTEMPTED TO TIME RH MAGNETO TO ENGINE. POINTS APPEARED TO OP
- [SDR 8HBR20240909067](https://openairdocs.org/sdr/8HBR20240909067.md): Gear · damaged · Aug 7, 2024 · N90558 · Cessna 172P
  > CAM GEAR WAS IMPROPERLY INSTALLED/SEATED DURING INITIAL MANUFACTURING WHICH CAUSED EXCESSIVE WEAR AND DAMAGE TO THE CAM GEAR DURING ROTATION AGAINST THE DISTRIBUTOR GEAR. THIS WAS THE FIRST 500HR INSPECTION SINCE MANUFACTURE.
- [SDR 2024FA0000575](https://openairdocs.org/sdr/2024FA0000575.md): Magneto · failed · Aug 7, 2024 · N246N · Cessna 206H
  > MAGNETO FAILED
- [SDR 2024FA0000573](https://openairdocs.org/sdr/2024FA0000573.md): Magneto · failed · Aug 6, 2024 · N246N · Cessna 206H
  > MAGNETO FAILED
- [SDR 8HBR20240712063](https://openairdocs.org/sdr/8HBR20240712063.md): Bearing · broken · Jul 3, 2024 · N508AD · Robsin R22BETA
  > PILOTS EXPERIENCED ENGINE ROUGHNESS IN AIR. UPON LANDING, MAINTENANCE FOUND MAGNETO WAS DIFFICULT TO SPIN AND CLUNKY IN IT'S ROTATION, INDICITIVE OF BEARING FAILURE.

Next page: https://openairdocs.org/jasc/7414/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 = '7414'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7414/reports

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