# Service difficulty reports: Mooney M20K

A list on [Mooney M20K](https://openairdocs.org/model/mooney-m20k.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 108 reports

- [SDR 2026FA0000329](https://openairdocs.org/sdr/2026FA0000329.md): Alternator · destroyed · May 7, 2026 · N252AN · Mooney M20K · DC Generator-Alternator
  > ALTERNATOR DRIVE COUPLING DESTROYED CAUSING SUBSEQUENT FAILURE OF ENGINE'S DRIVE GEAR P/N 657984. ALL FOUR BOLTS P/N 649205 SHEARED OFF OR THREADS STRIPPED FROM SHANKS CAUSING SEPARATION OF GEAR FROM CRANKSHAFT. LOCK PLATES P/N 641909 FOUND IN TACT IN OIL SU
- [SDR 2026FA0000255](https://openairdocs.org/sdr/2026FA0000255.md): Truss · broken · Apr 6, 2026 · N5810Z · Mooney M20K · Nose/Tail Landing Gear
  > AIRCRAFT LANDED AND NOSE GEAR COLLAPSED ON ROLLOUT. NOSE TRUSS BROKEN CAUSED THE GEAR TO COLLAPSE.
- [SDR HNAA2024092300839](https://openairdocs.org/sdr/HNAA2024092300839.md): Floor Support · corroded · Aug 21, 2024 · N698AE · Mooney M20K · Fuselage Miscellaneous Structure
  > E051425 LH CABIN OMEGA BEAM #3 GUSSETT IS CORRODED. RAR LH CABIN OMEGA BEAM #3 GUSSET IAW EMB 145 SRM 51-40-02.
- [SDR HNAA20240900838](https://openairdocs.org/sdr/HNAA20240900838.md): Floor Support · corroded · Aug 21, 2024 · N698AE · Mooney M20K · Fuselage Miscellaneous Structure
  > E051424 LH CABIN OMEGA BEAM #2 GUSSETT IS CORRODED. RAR THE LH CABIN OMEGA BEAM #2 GUSSET IAW EMB 145 SRM 51-40-02.
- [SDR HNAA20240900837](https://openairdocs.org/sdr/HNAA20240900837.md): Floor Support · corroded · Aug 19, 2024 · N698AE · Mooney M20K · Fuselage Miscellaneous Structure
  > E050583 LH OMEGA BEAM GUSSET CORRODED BTWN FR 50-51. RAR THE LH OMEGA BEAM GUSSET BTWN FR 45-53 IAW EMB 145 SRM 51-40-02.
- [SDR 2023FA0000082](https://openairdocs.org/sdr/2023FA0000082.md): Unknown · unknown · Feb 11, 2023 · N9554U · Mooney M20K · Standard Practices/Structures
  > SUBJECT: REPETITIVE VIOLATIONS OF PART 43: SIGNING TOURISM BY A&P MECHANIC DESIGNATED TO ACT ACCORDING TO BUT NOT COMPLYING WITH PART 43.3 D.MAJOR DAMAGE ON ENGINE DURING REINSTALLATION IN GERMANY AFTER TOTAL OVERHAUL IN USA BY NEGLEGENCE OF MANUFACTURER´S INS
- [SDR 2021FA0000295](https://openairdocs.org/sdr/2021FA0000295.md): Truss · broken · Oct 21, 2021 · N231AS · Mooney M20K · Landing Gear System
  > REAR NOSE GEAR TRUSS BROKE UPON LANDING. MECHANIC SUSPECTED AIRLINE CRACK IN PART THAT WAS NOT OBSERVABLE DURING INSPECTIONS. THIS SDR IS BEING SUBMITTED BY FAA ASI, FOR THE OWNER, WHO IS IIC FOR THE INCIDENT THAT THIS AIRCRAFT WAS INVOLVED IN.
- [SDR 2020FA0000048](https://openairdocs.org/sdr/2020FA0000048.md): Door · destroyed · Mar 18, 2019 · N3663H · Mooney M20K · Cargo/Baggage Doors
  > THE BAGGAGE DOOR WAS LATCHED PRIOR TO FLIGHT. AFTER TAKEOFF AT ABOUT 500 FEET AGL THE BAGGAGE DOOR BLEW OPEN AND SUSTAINED SUBSTANTIAL DAMAGE. THE PILOT LANDED WITHOUT FURTHER INCIDENT. UPON LANDING AN A&P INSPECTED THE LATCH AND OBSERVED IT WAS STILL IN THE
- [SDR 2017FA0000180](https://openairdocs.org/sdr/2017FA0000180.md): Bellcrank · cracked · May 3, 2017 · N5773S · Mooney M20K · Flight Compartment Equipment
  > DURING THE TAKEOFF ROLL, THE PILOT'S SEAT SUDDENLY BROKE LOOSE AND MOVED FULL AFT. THE CAUSE WAS FOUND TO BE A CRACKED BELLCRANK TUBE UNDER THE PILOT'S SEAT. I WILL FORWARD PHOTOS.
- [SDR 2016FA0000363](https://openairdocs.org/sdr/2016FA0000363.md): B-Nut · broken · Aug 7, 2016 · N252MB · Mooney M20K · Aircraft Fuel Distribution System
  > FUEL LINE FROM PRIMER SOLENOID TO THROTTLE BODY,BROKE IN HALF UNDER B-NUT, CAUSING THE ENGINE TO LOSE FUEL SUPPLY TO THROTTLE BODY.
- [SDR 2017FA0000030](https://openairdocs.org/sdr/2017FA0000030.md): Clamp · broken · May 1, 2016 · N321QC · Mooney M20K · Exhaust Turbocharger
  > V BAND CLAMP HOLDING TURBOCHARGER ONTO EXHAUST BROKE AT THE SPOT WELD.
- [SDR CA150612005](https://openairdocs.org/sdr/CA150612005.md): Drain · wrong part · Jun 11, 2015 · Mooney M20K · Aircraft Fuel System
  > (CAN) OWNER ASK TO HAVE A FUEL LEAK REPAIRED AND COMPLAINED THAT FUEL DRAINING WAS VERY SLOW. AFTER DRAINING TANKS IT WAS NOTED THAT AN UNAPPROVED REPAIR HAD BEEN UNDERTAKEN AND THE SEALANT APPLIED COVERED THE DRAIN CHANNEL TO THE QUICK DRAIN. IN ORDER FOR FUE
- [SDR 2014FA0000602](https://openairdocs.org/sdr/2014FA0000602.md): Piston Ring · failed · Sep 16, 2014 · N5626C · Mooney M20K · Reciprocating Engine Cylinder Section
  > ENROUTE, IFR AT 17000 FT WHEN PILOT NOTICED DROP IN MANIFOLD PRESSURE. PILOT REDUCED POWER SETTINGS AND STARTED DESCENT. NEXT OIL PRESSURE AND MANIFOLD PRESSURE DROPPED SIGNIFICANTLY AND DECLARED AN EMERGENCY, FEATHERED THE PROP AND SHUTDOWN THE ENGINE.
- [SDR CA140730017](https://openairdocs.org/sdr/CA140730017.md): Tube · worn · May 8, 2014 · Mooney M20K · Autopilot System
  > (CAN) DURING A TRIM SERVO REPLACEMENT. THE TRIM TUBE ASSEMBLY WAS RUBBING ON A RIVET LOCATED ON THE ELT SHELF IN THE TAIL OF THE AIRCRAFT. THE TUBE HAS A WALL OF 0.035" OF THICKNESS. TUBE WAS WORN TO A WALL THICKNESS OF APPROX 0.10" THICK. TRIM TUBE WAS REPLAC
- [SDR 2014FA0000000](https://openairdocs.org/sdr/2014FA0000000.md): Truss Fitting · failed · Jan 2, 2014 · Mooney M20K · Nose/Tail Landing Gear
  > DURING LANDING TOUCHDOWN, THE NOSE GEAR TRUSS ASSY FAILED AND THE NOSE GEAR COLLAPSED.
- [SDR 2013FA0000495](https://openairdocs.org/sdr/2013FA0000495.md): Tire · failed · Aug 28, 2013 · N252JC · Mooney M20K · Tire
  > AIRCRAFT WAS IN LANDING CONFIGURATION AND TOUCHED DOWN WITHOUT INCIDENT. APPLIED BRAKES TO SLOW DOWN, MOMENTS LATER ACFT PULLED TO THE LT AND THE LT MAIN TIRE WENT FLAT. MX NOTED THAT THE ACFT TIRE WAS WORN BEYOND LIMITS AND BOTH THE LT TIRE AND TUBE WERE RE
- [SDR FK8R20130311001](https://openairdocs.org/sdr/FK8R20130311001.md): Cylinder · cracked · Feb 22, 2013 · N231G · Mooney M20K · Reciprocating Engine Cylinder Section
  > DURING ANNUAL INSPECTION, AN OIL LEAK WAS FOUND AT THE BOTTOM OF THE NR 2 CYLINDER AFTER WASHING THE ENGINE AND RUNNING IT AGAIN IT WAS NOTICED THAT THE OIL WAS LEAKING FROM THE CYLINDER IN THE AREA WHERE THE BARREL ATTACHES TO THE HEAD. THE CYLINDER HAD BEEN
- [SDR 2013FA0000090](https://openairdocs.org/sdr/2013FA0000090.md): Wire · broken · Jan 19, 2013 · N231AQ · Mooney M20K · Electrical Power System Wiring
  > PILOT AND FLIGHT INSTRUCTOR NOTED THE ODOR OF BURNED ELECTRICAL. ON LANDING FOUND WIRES HAD BROKEN OFF OF THE A+ TERMINAL OF THE RESISTOR BAR OF THE FUEL BOOST RESISTOR. WIRING REPAIRED AND REPLACED RESISTOR. NOTICED THAT THE RESISTOR HAD BEEN PREVIOUSLY RE
- [SDR 2013FA0000040](https://openairdocs.org/sdr/2013FA0000040.md): Switch · failed · Dec 31, 2012 · N231PQ · Mooney M20K · Landing Gear Retraction/Extension System
  > LANDING GEAR FAILED TO RETRACT ON TAKEOFF.
- [SDR 2012FA0000479](https://openairdocs.org/sdr/2012FA0000479.md): Mount · failed · Jul 12, 2012 · N5789M · Mooney M20K · Instrument Panel
  > PILOT INSTRUMENT PANEL SHOCK MOUNTS (PROBABLY ORIGINAL) ALL BROKEN AND SEPARATED CAUSING PANEL TO FALL ONTO A TUBULAR STRUCTURE, THE CIRCUIT BREAKER SWITCHES ARE MOUNTED TO THE SHOCK MOUNT PANEL. THE BUSS BAR OF THE CIRCUIT BREAKER SWITCHES SHORTING ON TO TUB
- [SDR 2011FA0000717](https://openairdocs.org/sdr/2011FA0000717.md): Magneto · failed · Jul 7, 2011 · N231E · Mooney M20K · Magneto/Distributor
  > DURING A POST ACFT ACCIDENT ENGINE TEARDOWN IT WAS NOTED THAT THE RT MAGNETO FIRED ERRATICALLY BELOW 1400 RPM. FURTHER INVESTIGATION REVEALED THAT THE DISTRIBUTOR GEAR WAS LOOSE AND THE ROTOR GEAR WAS LOOSE. PILOT REPORTED LOSS OF POWER ON TAKEOFF.
- [SDR 2010FA0001146](https://openairdocs.org/sdr/2010FA0001146.md): Housing · cracked · Oct 21, 2010 · N231NJ · Mooney M20K · Exhaust Turbocharger
  > DURING INSP OF AD82-27-03, THERE IS A.5 INCH CRACK IN THE INTERNAL AREA OF THE HOUSING THAT DOES NOT PENETRATE THE OUTER WALL. IT WAS DETERMINED THAT THIS AD NO LONGER APPLIES, BECAUSE THE PN OF THIS HOUSING WAS FOUND TO BE 600510-04 (SEE PARA J) OF THIS AD.
- [SDR XOHR2010FA001070](https://openairdocs.org/sdr/XOHR2010FA001070.md): Brush Block · loose · Sep 10, 2010 · N5767T · Mooney M20K · AC Generation System
  > () CHARGING SYS REPORTED AS INTERMITTENT. UPON TROUBLESHOOTING, FOUND BOTH F1 AND F2 POSTS WERE LOOSE ON ALTERNATOR`S BRUSH BLOCK. THE BRUSH BLOCK IS PLASTIC AND THERE IS NO LOCKING DEVICE ON THESE POSTS. ENGINE VIBRATION IS MOST LIKELY THE CAUSE OF THE NUT
- [SDR 2010FA0000955](https://openairdocs.org/sdr/2010FA0000955.md): Truss · failed · Aug 12, 2010 · N231DT · Mooney M20K · Nose/Tail Landing Gear
  > PILOT STATES THAT HE HAD MADE SEVERAL LANDINGS DURNG THE DAY BUT ON THE FINAL ONE AS THE NOSE WHEEL TOUCHED DOWN IT STARTED TO "WOBBLE BRIEFLY" AND THEN COLLAPSED FOLLOWED BY THE MAIL LANDING GEAR. DURING THE INCIDENT INVESTIGATION IT WAS FOUND THAT THE NOSE
- [SDR 2010FA0000076](https://openairdocs.org/sdr/2010FA0000076.md): Rod · failed · Jan 27, 2010 · N252VV · Mooney M20K · Landing Gear Steering System
  > STEERING LINKAGE ROD BROKE AT THE NLG TRUSS ASSY.
- [SDR CA090310010](https://openairdocs.org/sdr/CA090310010.md): Blade · corroded · Mar 6, 2009 · Mooney M20K · Propeller Blade Section
  > (CAN) DURING LPI INSP, CORROSION FOUND IN O-RING GROOVE. UNREPAIRABLE IAW MANUAL NR BOM100-1.
- [SDR 2008FA0000840](https://openairdocs.org/sdr/2008FA0000840.md): Ground Stud · misinstalled · Nov 24, 2008 · N305P · Mooney M20K · Electrical Power System
  > AIRFRAME GROUND PLUG IN HAS NEVER BEEN CONNECTED TO AIRFRAME GROUND. BASE OF RECEPTACLE WAS INSULATED FROM AIRFRAME GROUND BY PRIMER ON METAL ANGLE. WE FOUND COMPLETE ISOLATION FROM GROUND POINT TO FUEL FILLER OPENING, NO GROUND ON OUR FUELING OPERATIONS FOR P
- [SDR 2007FA0000941](https://openairdocs.org/sdr/2007FA0000941.md): Roll Servo · loose · Oct 9, 2007 · N697SP · Mooney M20K · Flight Control System
  > MOTOR ASSY COMING LOOSE ON SERVO MOUNT. LOOSE HARDWARE, LOOSE MOTOR. RECOMMEND SERVO TO BE INSPECTED FOR PROPER SERVO ASSY (THAT MOTOR AND HARDWARE ARE NOT LOOSE). (K)
- [SDR 2007FA0001017](https://openairdocs.org/sdr/2007FA0001017.md): Turbocharger · cracked · Aug 30, 2007 · N231GZ · Mooney M20K · Exhaust Turbocharger
  > FOUND APPROX 1.25 INCH CRACK IN TURBO CHARGER HOUSING BELOW EXHAUST INLET AT WELD. (K)
- [SDR 2006FA0000971](https://openairdocs.org/sdr/2006FA0000971.md): Valve · leaking · Sep 26, 2006 · N231GR · Mooney M20K · Fuel Controlling System
  > THE FUEL PRIMER DIVERTER VALVE P/N 642199 (P/N 55P70D5E-608) LEAKED FUEL OVER THE TOP OF THE ENGINE IN FLIGHT, IT WAS LEAKING SO MUCH THE ENGINE WOULD NOT KEEP RUNNING WITHOUT THE USE OF THE ELECTRIC BOOST PUMP. INITIALLY OUR MFG VENDOR GAVE ME A REPLACEMENT P
- [SDR 2006FA0000481](https://openairdocs.org/sdr/2006FA0000481.md): Piston · eroded · Apr 25, 2006 · N43PG · Mooney M20K · Reciprocating Engine Cylinder Section
  > THE OIL CONTROL RING LANDS ON PISTON SEVERLY ERRODED AT PISTON PIN HOLE, BOTH SIDES OF PISTON. THIS IS THE 13 TH PISTON THAT WE HAVE SEEN THIS ON, IN OUR ENGINE SHOP. SC MODIFICATIONS, HAS 12 OF THEM, HAVE SAME PROBLEM. HAVE ONE TO SHOW. (K)
- [SDR CA041015008](https://openairdocs.org/sdr/CA041015008.md): Hub · corroded · Oct 15, 2004 · Mooney M20K · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR 10 YR. O/H. UPON INSPECTION IT WAS FOUND THAT THE HUB, BLADE BEARINGS (C3411),PISTON ROD (B2345), SPLIT RETAINERS (C3903) AND PISTON (C3418) WERE UNSERVICEABLE DUE TO WEAR AND/OR CORROSION. MANUFACTURERS RECCOMENDED TBO AS PER S/B
- [SDR HJL2004F00000](https://openairdocs.org/sdr/HJL2004F00000.md): Spring · broken · Jul 12, 2004 · N252YE · Mooney M20K · Landing Gear Actuator
  > LANDING GEAR ACTUATOR, PN R5329M24-1, OR MFG AC PN 880037-507, WOULD NOT FUNCTION MANUALLY OR ELECTRICALLY. ACTUATOR WAS SENT FOR INSPECTION. AFTER VERIFYING THAT ACTUATOR WOULD NOT FUNCTION, THE ACTUATOR WAS OPENED, INSPECTED, AND THE TORSION SPRING WAS FOU
- [SDR WYNBRANDT](https://openairdocs.org/sdr/WYNBRANDT.md): Fluid · solidified · Feb 2, 2004 · N963PM · Mooney M20K · Landing Gear Brake System
  > DURING A ROUTINE OIL CHANGE IT WAS NOTED THAT THE AIRCRAFT TOOK VERY HIGH RPM TO TAXI. THE BRAKE FLUID IN THE WHEEL CYLINDER HAD TURNED THE CONSISTENCY OF HONEY. THE FLUID WAS PURGED BY BLEEDING USING PEDALS PRESSURE TO MOVE FLUID OUT. THE BRAKE BLEEDERS HAD T
- [SDR 2003FA0001238](https://openairdocs.org/sdr/2003FA0001238.md): Pushrod Tube · corroded · Dec 1, 2003 · N231PF · Mooney M20K · Aileron Control System
  > FOUND BOTH AILERON OB PUSH ROD TUBES RUSTING INTERNALLY. IF RUST IS NOTICED ON EXTERIOR OF TUBE, IT IS ALREADY AT POINT OF FAILURE. TT 5140 HRS RECOMMEND REPLACING BOTH AILERON PUSH ROD TUBE ASSEMBLIES ON ANY AC WHICH HAVE NOT BEEN REPLACED IN PAST FIVE YEA
- [SDR AKG2003F00002](https://openairdocs.org/sdr/AKG2003F00002.md): Actuator · worn · Oct 30, 2003 · N5254G · Mooney M20K · Stabilizer Actuator
  > THE THREADS IN THE ACTUATOR NUT ARE WORN AND ALLOWING THE NUT TO MOVE ON THE JACK SCREW AND BECOME JAMMED WHEN IT CONTACTS THE STOP ON EITHER END OF TRAVEL NOSE UP OR NOSE DOWN. PART LOCATION IS BETWEEN THE PILOT AND COPILOT SEATS UNDER THE FLOOR PANEL.
- [SDR CSE001](https://openairdocs.org/sdr/CSE001.md): Magneto · misrepaired · Jun 5, 2003 · N90BE · Mooney M20K · Magneto/Distributor
  > ENGINE WILL NOT RUN ON LEFT MAGNETO. INSPECTION IN THE WORKSHOP REVEALED THAT THE WOODRUFF DRIVE KEY BETWEEN THE DRIVE SHAFT AND DRIVE COUPLING WAS MISSING.
- [SDR AUS20030601](https://openairdocs.org/sdr/AUS20030601.md): Cylinder · failed · May 26, 2003 · Mooney M20K · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE NR 1 CYLINDER BARREL FAILED IN AREA APPROXIMATELY TWO FINS FROM TOP OF BARREL. CYLINDER HEAD AND ATTACHED SECTION OF BARREL SEPARATED. SEVERE DAMAGE TO ENGINE.
- [SDR 2003FA0000296](https://openairdocs.org/sdr/2003FA0000296.md): Mount · damaged · Mar 16, 2003 · N1157P · Mooney M20K · Engine Mount Section
  > DURING A SPECIAL INSPECTION, AFTER A PRIOR PROP STRIKE, FOUND THE REAR UPPER CROSSOVER TUBE OFTHE ENGINE MOUNT BENT DOWN. DOWNLOAD BEND. AIRCRAFT MODIFIED PER STC SA5691NM. REMOVED MOUNT, SENT TO MFG. FOR REPAIR, REINSTALLED MOUNT.
- [SDR 2003FA0000295](https://openairdocs.org/sdr/2003FA0000295.md): Mount · bent · Mar 16, 2003 · N1157P · Mooney M20K · Engine Mount Section
  > DURING A SPECIAL INSPECTION, AFTER A PRIOR PROP STRIKE, FOUND THE REAR UPPER CROSSOVER TUBE OFTHE ENGINE MOUNT BENT DOWN. DOWNLOAD BEND. AIRCRAFT MODIFIED IAW STC SA5691NM. REMOVED MOUNT, SENT FOR REPAIR, REINSTALLED MOUNT.
- [SDR HJL2003F00000](https://openairdocs.org/sdr/HJL2003F00000.md): Distributor Gear · failed · Jan 24, 2003 · N4710H · Mooney M20K · Magneto/Distributor
  > AIRCRAFT FAILED TO RUN/ LESS THAN 500 FT/MIN CLIMB. UPON INSPECTION FOUND TEETH IN DISTRIBUTOR GEAR SHEARED- 30 DEGREE.
- [SDR CA021125003](https://openairdocs.org/sdr/CA021125003.md): Shield · missing · Nov 5, 2002 · N3055E · Mooney M20K · Engine Fuel Distribution
  > (CAN) A/C ENROUTE AT FLIGHT LEVEL 210, DECLARED AN EMERGENCY. AIRCRAFT TURNED BACK. PILOT REPORTED ROUGH RUNNING ENGINE & MISFIRING BADLY A/C LANDED SAFELY. PILOTS EXPERIENCED POWER LOSS ON NR 3 CYLINDER FIRST & THEN ON BOTH NR 3 & 4 CYLINDERS. ENGINE IS
- [SDR 2002FA0001209](https://openairdocs.org/sdr/2002FA0001209.md): Universal Joint · inoperative · Sep 9, 2002 · N231GE · Mooney M20K · Elevator Control System
  > DURING INVESTIGATION OF AUTO PILOT PITCH OSOLATIONS. FOUND UNIVERSAL JOINT AT PITCH TRIM JACK SCREW SQUARE DRIVE ISSING ONE OF THE FOUR STAKED IN ROLL PINS.
- [SDR ASOA02356](https://openairdocs.org/sdr/ASOA02356.md): Battery · discharged · Jun 21, 2002 · N231AS · Mooney M20K · Emergency Lighting
  > DURING GROUND INSPECTION IN ATL, WHEN TESTED, THE INTERIOR EMERGENCY EXIT LIGHTS GO OUT IN LESS THAN A MINUTE. MAINTENANCE CHARGED THE EMERGENCY LIGHTING BATTERIES. OPERATIONAL TESTING OF THE EMERGENCY LIGHT GOOD AT THIS TIME. (M)
- [SDR 2002FA0000393](https://openairdocs.org/sdr/2002FA0000393.md): Cotter Pin · broken · Mar 13, 2002 · N231NJ · Mooney M20K · Reciprocating Engine Power Section
  > DURING ANNUAL INSPECTION FOUND COTTER PIN IN THE OIL SUCTION SCREEN. THE COTTER PIN WAS BROKEN INTO THREE PIECES. FURTHER INSPECTION OF THE ENGINE FOUND THE COTTER PIN MISSING FROM CYLINDER NUMBER FOURS LOWER CONNECTING ROD BOLT. I BELIEVE THE COTTER PIN WA
- [SDR 2001FA0000604](https://openairdocs.org/sdr/2001FA0000604.md): Washer · missing · Dec 5, 2001 · N231ND · Mooney M20K · Reciprocating Engine Cylinder Section
  > WHILE TROUBLESHOOTING A FUEL FLOW PROBLEM, AN OIL LEAK MANIFESTED AT NR 6 EXHAUST ROCKER COVER. WHEN COVER REMOVED, THE TAB WASHERS WERE FOUND MISSING FROM THE ROCKER SHAFT STUDS. ALL COVERS WERE REMOVED AND THE SAME CONDITION FOUND. A CHECK OF MAINTENANCE REC
- [SDR 2001FA0000550](https://openairdocs.org/sdr/2001FA0000550.md): Switch · stuck · Nov 1, 2001 · N5262M · Mooney M20K · Elevator Control System
  > DURING TRIM ADJUSTMENT, PILOT EXPERIENCED AN UNCOMMANDED NOSE DOWN ATTITUDE. GROUND INVESTIGATION REVEALED THAT THE ELEVATOR TRIM SWITCH HAD STUCK IN THE NOSE DOWN POSITION.
- [SDR 2001FA0000412](https://openairdocs.org/sdr/2001FA0000412.md): Tab · broken · Aug 30, 2001 · N231EC · Mooney M20K · Engine Collector/Tailpipe/Nozzle
  > SECURING/ATTACHING TAB WELDED TO EXHAUST RISER ASSEMBLY FOR CYLINDER NR 4 BROKE OFF CAUSING SUDDEN LOSS OF ENGINE MANIFOLD PRESSURE AND POWER RESULTING IN IMMEDIATE LANDING OF AIRCRAFT. (NR 4 CYLINDER RISER SEPARATED FROM NR 6 RISER WHEN TAB BROKE.
- [SDR 2001FA0000267](https://openairdocs.org/sdr/2001FA0000267.md): Tube · corroded · Jun 18, 2001 · N389CS · Mooney M20K · Aileron Control System
  > FATAL INTERNAL CORROSION, CAUSED BY TRAPPED MOISTURE INSIDE PUSH PULL CONTROL TUBE FOR AILERON. CORROSION WAS FOUND DURING ANNUAL INSPECTION.
- [SDR 2001FA0000060](https://openairdocs.org/sdr/2001FA0000060.md): Harness · chafed · Jun 11, 2001 · N252YC · Mooney M20K · DC Power Distribution System
  > WHEN REPAIRING AVIONICS POWER SYSTEM, CB PANEL PULLED LOOSE AND OUT FOR MAINTENANCE. DISCREPANCY NOTED: FUSELAGE UNDER WINDSHIELD CHAFING POWER CABLES TO CB S AND RELAYS. NO CHAFE STRIP NOTED IN THIS AREA BEHIND CB PANEL AND CHAFING EVIDENCE ON LARGE POWER

Next page: https://openairdocs.org/model/mooney-m20k/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 = 'M20K'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/mooney-m20k/reports

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