# Service difficulty reports: Mooney M20R

A list on [Mooney M20R](https://openairdocs.org/model/mooney-m20r.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 52 reports

- [SDR 2017FA0000383](https://openairdocs.org/sdr/2017FA0000383.md): Oil Cooler · damaged · Aug 9, 2017 · N1068G · Mooney M20R · Reciprocating Engine Oil System
  > DURING AN ANNUAL INSPECTION, MINOR EVIDENCE OF FRETTING FROM VIBRATION WAS SEEN AT OIL COOLER CROSSBAR LOWER AFT CORNER. FURTHER INSPECTION REVEALED A CRACKED WELD ON THE UPPER RT FWD CORNER THAT WAS 1 INCH LONG. REMOVED THE OIL COOLER FOR INSPECTION. THE T
- [SDR 2016FA0000013](https://openairdocs.org/sdr/2016FA0000013.md): Engine · power loss · Nov 25, 2015 · N898PJ · Mooney M20R · Engine (Reciprocating)
  > APPROXIMATELY 12 TO 15 MILES FROM AIRPORT, ENGINE BEGAN TO RUN ROUGH. THE TOWER WAS ADVISED AND THE ACFT WAS CLEARED FOR A STRAIGHT IN LANDING. TAXIED TO RAMP WITHOUT INCIDENT. TROUBLESHOOT ROUGH RUNNING ENGINE AND FOUND NO COMPRESSION ON NR 6 CYLINDER, REMOVE
- [SDR 9PRR2015FA0000283](https://openairdocs.org/sdr/9PRR2015FA0000283.md): Display · failed · Jun 23, 2015 · N401PS · Mooney M20R · Central Display
  > PILOT REPORTED ODOR OF SMOKE. MFD SCREEN FAILED.
- [SDR 2015FA0000316](https://openairdocs.org/sdr/2015FA0000316.md): Display · failed · Jun 22, 2015 · N401PS · Mooney M20R · Central Display
  > AIRCRAFT DEPARTED. DUE TO AN ODOR OF SMOKE IN THE COCKPIT THE AIRCRAFT RETURNED TO DEPARTURE. LANDED WITHOUT INCIDENT AND WAS TOWED TO THE RAMP. TROUBLESHOOTING REVEALED, SIC MULTI-FUNCTION DISPLAY FAILED.
- [SDR 2015FA0000075](https://openairdocs.org/sdr/2015FA0000075.md): Cylinder Head · cracked · Jan 26, 2015 · N1068G · Mooney M20R · Reciprocating Engine Cylinder Section
  > FOUND CRACK IN CYLINDER HEAD BETWEEN THE SPARK PLUG HOLE AND THE INJECTOR HOLE AT ANNUAL INSPECTION AT 1,314.4 HRS. CYLINDER LEAK DOWN WAS 24/80 AND IT WAS DISCOVERED THAT THE MAJORITY OF THE AIR WAS GOING PAST THE INTAKE VALVE DUE TO CORE SHIFT IN THE CASTIN
- [SDR 2011FA0000746](https://openairdocs.org/sdr/2011FA0000746.md): Actuator · noisy · Nov 15, 2011 · N15PD · Mooney M20R · Landing Gear Actuator
  > DURING ROUTINE INSPECTION OF ACFT LANDING GEAR RETRACTION SYS, THE LANDING GEAR ACTUATOR WAS EXCESSIVELY NOISEY WHEN THE LANDING GEAR WAS RETRACTED AND EXTENDED.AFTER FURTHER EXAMINATION OF THE ACTUATOR IT WAS DISCOVERED THAT THE (INTERNAL) BOLTS THAT SECURE T
- [SDR 2010FA0000663](https://openairdocs.org/sdr/2010FA0000663.md): Hose · deteriorated · Jun 30, 2010 · N2140D · Mooney M20R · Vacuum Distribution System
  > PILOT NOTICED A LOW VAC WARNING OF THE ENGINE DRIVEN VACCUME PUMP. TURN THE SWITCH ON FOR THE STANDBY VAC SYS AND THE CIRCUIT BREAKER POPPED. FOUND THE CAUSE OF THE STANDBY VAC PUMP CIRCUIT BREAKER POPPING WAS A FROZEN VAC PUMP. INVESTIGATION REVEALED THA
- [SDR 2009FA0000254](https://openairdocs.org/sdr/2009FA0000254.md): Wire · melted · Mar 25, 2009 · N430G · Mooney M20R · Exterior Lighting
  > PILOT REPORTED THE DEFROST BLOWER CIRCUIT BREAKER POPS WHEN BLOWER IS NOT IN USE. TROUBLESHOOTING REVEALED THE LANDING LIGHTS STAYED ON WHEN THE LANDING LIGHT CIRCUIT BREAKER WAS PULLED. AFTER APPX 20 SECONDS OF LANDING LIGHT OPERATION THE DEFROST BLOWER C/B
- [SDR FAA1020001](https://openairdocs.org/sdr/FAA1020001.md): Selector Valve · stuck · Sep 21, 2006 · N533LJ · Mooney M20R · Fuel Selector/Shut-Off Valve
  > FUEL SELECTOR VALVE STUCK IN (OFF) POSITION WHILE AIRCRAFT WAS SITTING ON THE RAMP. ONCE STUCK IN THE OFF POSITION, IT BECAME IMPOSSIBLE TO TURN USING HAND FORCE. (K)
- [SDR 2007FA0000734](https://openairdocs.org/sdr/2007FA0000734.md): Volt Regulator · failed · Jul 24, 2006 · N999JW · Mooney M20R · AC Regulator
  > THE INABILITY OF THE VOLTAGE REGULATOR (PN 800397-501, SN 0165) TO CONTROLTHE OUTPUT OF THE ALTERNATOR WHEN THE BATTERY SWITCH WAS TOGGLED BETWEEN THE NR1 AND NR 2 BATTERY, IN FLIGHT. (K)
- [SDR 2006FA0000096](https://openairdocs.org/sdr/2006FA0000096.md): Transmitter · intermittent · Jan 17, 2006 · N2164K · Mooney M20R · Emergency Locator Beacon
  > ELT TRANSMITTER WAS REMOVED DURING ANNUAL FOR BATTERY REPLACEMENT AND TESTING. UPON TEST WITH BATTERIES REPLACED. THE UNIT ON/OFF WAS INTERMITTENT AND THE REMOTE OPERATION WAS INTERMITTENT. UNIT IS APPROXIMATELY 7 YEARS OLD. TREND OF FAILURES ON THIS MAKE
- [SDR 2005FA0001288](https://openairdocs.org/sdr/2005FA0001288.md): Wire Harness · burned · Aug 29, 2005 · N366GJ · Mooney M20R · Electrical Power System Wiring
  > WHEN TROUBLESHOOTING THE SQUAWK (RECOGNITION LIGHTS ON ALL THE TIME), FOUND CHARED WIRE INSULATION IN THE WIRE HARNESS FEEDING THE OVERHEAD BANK OF SWITCHES THAT CONTROL THE SHIPS EXTERIOR LIGHTING. TRACED THE CHARRED INSULATION TO AN OVERHEATED CONDITION IN
- [SDR 2005FA0001287](https://openairdocs.org/sdr/2005FA0001287.md): Wire Harness · burned · Aug 29, 2005 · N366GJ · Mooney M20R · Electrical Power System Wiring
  > WHEN TROUBLESHOOTING, THE SQUAWK (RECOGNITION LIGHTS ON ALL THE TIME) WE FOUND CARRED WIRE INSULATION IN THE WIRE HARNESS FEEDING THE OVERHEAD BANK OF SWITCHES THAT CONTROL THE SHIPS EXTERIOR LIGHTING. WE TRACED THE CHARRED INSULATION TO AN OVERHEATED CONDITI
- [SDR 2005FA0001044](https://openairdocs.org/sdr/2005FA0001044.md): Gascolator · leaking · Jul 14, 2005 · N10368 · Mooney M20R · Aircraft Fuel System
  > DURING TROUBLESHOOTING, IT WAS DISCOVERED THAT THE GASCOLATOR WAS ALLOWING AIR TO BE INTRODUED INTO THE SHIPS FUEL SYSTEM PRIOR TO THE FUEL REACHING THE ENGINE DRIVEN FUEL PUMP. INSTALLING A NEW GASCOLATOR RESOLVED THE PROBLEM. (K)
- [SDR T7419](https://openairdocs.org/sdr/T7419.md): Bulkhead · cracked · May 9, 2005 · N1016C · Mooney M20R · Propeller Hub Section
  > SPINNER BULKHEAD CRACKING AT 50HRS TKS WAS INSTALLED BY AIRCRAFT FACTORY. 1ST BULKHEAD REPLACED AT 104 HRS, 2CD BULKHEAD REPLACED AT 249.5 HRS. COULD NOT DETERMINE IF THE PROPELLER EVER HAD A PROP BALANCE. FOUND OIL COOLER MOUNTING ANGLE CRACKED ALSO AT 249
- [SDR 2005FA0000176](https://openairdocs.org/sdr/2005FA0000176.md): Oil Cooler · cracked · Feb 1, 2005 · N2138Z · Mooney M20R · Engine Oil Cooler
  > DURING ROUTINE OIL CHANGE, AN EXAMINATION OF THE OIL COOLER FLANGE AREA WHERE IT BOLTS ONTO THE ENGINE STUDS WAS FOUND TO BE CRACKED. THE CRACK WAS LOCATED BETWEEN THE STUDS MOUNTING AREA IN THE OIL COLLER SURFACE WELD. THIS IS THE FOURTH INSTANCE OF AN OIL
- [SDR 2005FA0000203](https://openairdocs.org/sdr/2005FA0000203.md): Muffler · cracked · Jan 20, 2005 · N91678 · Mooney M20R · Engine Noise Suppressor
  > VERY SIMILAR TO THE CRACKS REFERENCED IN AD NR 95-12-16 BUT ITS OUTSIDE OF THE SN RANGE LISTED. (K)
- [SDR 2005FA0000950](https://openairdocs.org/sdr/2005FA0000950.md): Pump · failed · Jan 15, 2005 · N10368 · Mooney M20R · Engine Fuel Pump
  > THIRD FUEL PUMP FAILURE ON AIRCRAFT/ENGINE IN APPROX 90 HRS. FUEL PUMP RETURNED TO CONT FOR ANALYSIS BUT THEY WERE NOT ABLE TO LOCATE FOR TESTING/ANALYSIS. NEITHER MOONEY OR CONTINENTAL HAVE BEEN ABLE TO DETERMINE CAUSE OF PUMP FAILURES.
- [SDR HJL2004F00001](https://openairdocs.org/sdr/HJL2004F00001.md): Spring · failed · Sep 9, 2004 · N326TJ · Mooney M20R · Landing Gear Actuator
  > REPLACED (NO BACK) SPRING, INSP GEARS AND ACTUATOR IAW SB M20-282 AND SI 102000-1-901 REV 2. ON 9-3-2004, AFTER 16 HOURS, GEAR DOWN SAFETY LIGHT WOULD INDICATE UNSAFE CONDITION WHEN TAXIING AC AND TURNING RT AND LT. AC WAS PUT ON JACKS, GEAR WAS ELECTRICALLY
- [SDR MPY2004F00000](https://openairdocs.org/sdr/MPY2004F00000.md): Heat Shield · gouged · Jul 12, 2004 · N242MD · Mooney M20R · Engine Mount Section
  > HEAT SHIELD PN 600429-503 WAS FOUND TO BE MAKING CONTACT WITH TUBULAR ENGINE MOUNT. THIS CONTACT CREATED A GOUGE APPROX.200 INCH LONG AND APPROX.045 INCH DEEP.
- [SDR 2004FA0000549](https://openairdocs.org/sdr/2004FA0000549.md): Heat Shield · gouged · Jul 10, 2004 · N242M · Mooney M20R · Engine Mount Section
  > HEAT SHIELD WAS FOUND TO BE MAKING CONTACT WITH TUBULAR ENGINE MOUNT. THIS CONTACT CREATED A GOUGE APPROXIMATELY.200 INCH IN LENGTH AND APPROXIMATELY.045 INCH DEEP.
- [SDR 2005FA0000946](https://openairdocs.org/sdr/2005FA0000946.md): Pump · failed · Apr 28, 2004 · N10368 · Mooney M20R · Engine Fuel Pump
  > ENGINE FAILED ON FINAL APPROACH. WAS ABLE TO RESTART AFTER LANDING BUT HAD TO PULL THE MIXTURE CONTROL LEAN ABOUT 1INCH TO KEEP IT RUNNING. AFTER COOLDOWN, MIXTURE WAS OK AGAIN. THIS IS THE FIRST OF 3 FUEL PUMP FAILURES ON THIS AIRCRAFT/ENGINE IN APPROX 90
- [SDR 2004FA0000216](https://openairdocs.org/sdr/2004FA0000216.md): Roll Pin · sheared · Feb 17, 2004 · N909WM · Mooney M20R · Main Landing Gear
  > SHEAR PINS ON LT MLG TUBE ASSEMBLY FAILED. AFT INSERT SEPARATED FROM TUBE ASSEMBLY. LT MAIN GEAR SUBSEQUENTLY REMAINED UNSAFE AND RETRACTED UPON CONTACT WITH RUNWAY. RT MLG AND NOSE GEAR WERE IN THE DOWN AND LOCKED AT TIME OF LT MLG FAILURE.
- [SDR ROSENBERG](https://openairdocs.org/sdr/ROSENBERG.md): Fluid · solidified · Jan 23, 2004 · N108MB · Mooney M20R · Landing Gear Brake System
  > DURING ANNUAL INSPECTION IT WAS NOTED THAT THE AIRCRAFT WAS VERY HARD TO TAXI. TOOK HIGH RPM'S TO GET AIRCRAFT TO MOVE AND PULLED TO THE RIGHT. CHECKED BRAKES. FOUND BRAKE FLUID IN WHEEL CYLINDER HAD TURNED TO CONSISTENCY OF HONEY. OWNER HAD NOT GRIPPED ANY B
- [SDR 2004FA0000054](https://openairdocs.org/sdr/2004FA0000054.md): Cylinder · cracked · Jan 9, 2004 · N39HW · Mooney M20R · Reciprocating Engine Cylinder Section
  > ENGINE INTAKE TUBE P/N 646207 FOR THE NR 6 CYLINDER CRACKS OUT AT ITS CYLINDER FLANGE. THIS ENGINE HAS CRACKED 3 INTAKE TUBES. THE CRACKS HAVE BEEN FOUND FROM.5000 INCH LONG TO OVER 3 INCHES LONG. THIS CAUSES AN INTAKE FUEL LEAK AND FIRE HAZARD. THE INTAK
- [SDR 2003FA0000780](https://openairdocs.org/sdr/2003FA0000780.md): Spring · broken · Jul 17, 2003 · N557RM · Mooney M20R · Landing Gear Actuator
  > PILOT WAS UNABLE TO LOWER LANDING GEAR INVESTIGATION REVEALED THAT THE SUBJECT SPRING HAD A BROKEN TANG. RESULTING FAILURE OF LANDING GEAR ACTUATOR. MOONEY SB M20-279C WAS COMPLETED 37 HOURS AGO.
- [SDR 2003FA0000517](https://openairdocs.org/sdr/2003FA0000517.md): Truss · broken · May 12, 2003 · N9169E · Mooney M20R · Nose/Tail Landing Gear
  > A/C RECEIVED STRUCTURAL DAMAGE DURING LANDING. (THE RECORDS SHOW A NEW 540017-509 (TRUSS ASSY, NOSE GEAR, UPPER, RETRACT) WAS INSTALLED IN A/C AT THE TIME OF REPAIR.) AT TOTAL TIME 211.1 A/C WAS TAKEN OUT OF SERVICE TO REPAIR STRUCTURAL PROBLEMS THAT CAUSED
- [SDR 2003FA0000183](https://openairdocs.org/sdr/2003FA0000183.md): Bearing · disintegrated · Feb 18, 2003 · N134MC · Mooney M20R · Cabin Cooling System
  > DURING INSTALLATION OF AN AIR/OIL SEPARATOR, REMOVED THE AIR CONDITIONER ACCESSORY DRIVE OFF THE STARTER SHAFT TO INSTALL AN OIL RETURN FITTING FOR THE AIR/OIL SEPARATOR. UPON REMOVAL OF THE ACCESSORY DRIVE HOUSING, PIECES OF THE AIR CONDITIONER DRIVE BEARING
- [SDR 2003FA0000131](https://openairdocs.org/sdr/2003FA0000131.md): Distributor Gear · stripped · Jan 24, 2003 · N326TJ · Mooney M20R · Magneto/Distributor
  > DISTRIBUTOR GEAR, MAGNETO INOPERATIVE ON RUN-UP ON INSPECTION FOUND TEETH SHEARED IN DISTRIBUTOR GEAR-90 DEGREES.
- [SDR 2002FA0001180](https://openairdocs.org/sdr/2002FA0001180.md): Clamp · worn · Oct 12, 2002 · N101DX · Mooney M20R · Power Lever
  > OWNER COMPLAINED THAT HE WAS UNABLE TO CLOSE THROTTLE TO LAND. THE MIXTURE HAD TO BE MOVED TO CUT-OFF TO LAND. INVESTIGATION REVEALED THAT THE THROTTLE CABLE HOUSING WAS MOVING IN THE CLAMP LOCATED AT THE THROTTLE BODY PREVENTING THE THROTTLE FROM CLOSING AL
- [SDR 2002FA0001250](https://openairdocs.org/sdr/2002FA0001250.md): Tube · cracked · Oct 9, 2002 · N22166 · Mooney M20R · Engine Fuel Distribution
  > INSPECTED AIRCRAFT ENGINE DURING ROUTINE OIL CHANGE AND NOTICED FUEL STAIN ON NR 6 INTAKE TUBE. REMOVED TUBE AND FOUND TO BE CRACKED AT FLANGE PART HAD BEEN REPLACED 2 MONTHS EARLIER FOR SAME REASON. COULD BE CAUSED BY ABNORMAL VIBRATIONS OR SHOCK COOLING OF
- [SDR 2002FA0001156](https://openairdocs.org/sdr/2002FA0001156.md): Bulkhead · cracked · Sep 30, 2002 · N101DX · Mooney M20R · Propeller Spinner Section
  > THE SPINNER BULKHEAD WAS FOUND CRACKED COMPLETELY AROUND THE CIRCUMFERENCE OF THE MOUNTING FLANGE. THE TOTAL TIME ON THE SPINNER ASSEMBLY IS 315.5 HOURS. THIS IS THE THIRD CRACKED BULKHEAD FOUND ON THIS AIRCRAFT. THE TIME IN SERVICE OF THIS BULKHEAD IS 42.8
- [SDR 2002FA0000755](https://openairdocs.org/sdr/2002FA0000755.md): Rod End · broken · May 8, 2002 · N10081 · Mooney M20R · Landing Gear Retraction/Extension System
  > ROD-END BEARING FAILED ON RIGHT RETRACT ROD.
- [SDR 2001FA0000268](https://openairdocs.org/sdr/2001FA0000268.md): Throttle Arm · worn · Aug 20, 2001 · N53WM · Mooney M20R · Power Lever
  > THE PRESSED IN BUSHING AT THE END OF THE THROTTLE ARM WAS WORN THRU. THE BRONZE SECTION. (ATTACHED PHOTO)
- [SDR 2001FA0000241](https://openairdocs.org/sdr/2001FA0000241.md): Tube · cracked · May 22, 2001 · N46WB · Mooney M20R · Engine Air Intake System
  > INDUCTION TUBE AT NR 6 CYLINDER IS COMPLETELY CRACKED AT FLANGED END.
- [SDR 20010605CW018](https://openairdocs.org/sdr/20010605CW018.md): Transmitter · failed · May 4, 2001 · N121RP · Mooney M20R · Emergency Locator Beacon
  > DURING ANNUAL INSPECTION, PERFORMED ELT INSPECTION IAW FAR 91.207D, AND FOUND THAT ELT DOES NOT TRANSMIT A SIGNAL EVEN THOUGH RED TRANSMIT LIGHT ON UNIT LIGHTS UP. UNIT TESTED USING 3 DIFFERENT ANTENNA SOURCES AND VERIFIED THAT ELT BATTERY IS GOOD. TRANSMIT
- [SDR 20010524CW001](https://openairdocs.org/sdr/20010524CW001.md): Throttle Arm · worn · Apr 27, 2001 · N143TM · Mooney M20R · Power Lever
  > WHILE WARMING THE ENGINE FOR OIL CHANGE, NOTED THAT THERE WAS AN EXCESSIVE AMOUNT OF FREE PLAY IN THE THROTTLE LINKAGE. AFTER RUNNING THE ENGINE UP TO 1500 RPM, PULLED THROTTLE BACK TO IDLE, BUT THE ENGINE RPM DID NOT DECREASE. HAD TO USE THE MIXTURE CONTROL
- [SDR 20010322CW013](https://openairdocs.org/sdr/20010322CW013.md): Connector · shorted · Feb 2, 2001 · N91678 · Mooney M20R · Exterior Lighting
  > DURING ANNUAL INSPECTION TAIL STROBE LIGHT WAS INOPERATIVE, ELECTRICAL ARCING ACROSS PINS IN CONNECTOR. CONNECTOR WAS LOCATED AT THE PIVOT POINT OF THE TAIL. (TAIL TO FUS MOUNTING AREA), REPLACED BURNT CONNECTOR. SYSTEM NO LONGER AS STROBE SNAP SOUND AT THI
- [SDR 20000523SH025](https://openairdocs.org/sdr/20000523SH025.md): Placard · incorrect · May 23, 2000 · N535C · Mooney M20R · Placards and Markings
  > THE OPERATION LIMITATIONS PLACARD DOES NOT MATCH THE TYPE CERTIFICATE DATA SHEET. THE MANEUVERING SPEED IS DIFFERENT. (X)
- [SDR 99ZZZX3826](https://openairdocs.org/sdr/99ZZZX3826.md): Fuel Cell · leaking · Sep 1, 1999 · N578TA · Mooney M20R · Fuel Storage
  > FUEL LEAK UNDER FOWARD AND AFT WING WALK. TWO INBOARD SCREWS.
- [SDR 99ZZZX3825](https://openairdocs.org/sdr/99ZZZX3825.md): Fuel Cell · leaking · Sep 1, 1999 · N81FM · Mooney M20R · Fuel Storage
  > FUEL LEAK UNDER FORWARD WING WALK TWO INBOARD SCREWS.
- [SDR 99ZZZX3811](https://openairdocs.org/sdr/99ZZZX3811.md): Fuel Cell · leaking · Sep 1, 1999 · N2155K · Mooney M20R · Fuel Storage
  > FUEL LEAK AT RIGHT WING INBOARD WING ATTACH POINT. ALSO, LEAKING AT FORWARD WING WALK AT INBOARD SCREWS.
- [SDR 99ZZZX3474](https://openairdocs.org/sdr/99ZZZX3474.md): Injector · failed · Aug 17, 1999 · N21625 · Mooney M20R · Fuel Injector Nozzle
  > NEW AIRCRAFT AND NEW ENGINE. ENGINE RAN ROUGH ON TAKEOFF, TOP COWL REMOVED AND COLD CYLINDER ESTABLISHED. UPON REMOVAL OF FUEL MANIFOLD, WRENCH WAS APPLIED TO INJECTOR AND ASSY TWISTED IN HALF. INJECTOR WAS BROKEN LONG BEFORE ATTEMPTED REMOVAL. A SECOND IN
- [SDR 99ZZZX3473](https://openairdocs.org/sdr/99ZZZX3473.md): Crankshaft · failed · Aug 17, 1999 · N1172L · Mooney M20R · Reciprocating Engine Power Section
  > ENGINE SHOOK VIOLENTLY. MIXTURE CONTROL WAS PULLED BACK TO CUT-OFF IMMEDIATELY. THE ENGINE SEIZED UP. A SAFE LANDING WAS MADE. TEAR-DOWN INSPECTION REVEALED THE CRANKSHAFT HAD FAILED.
- [SDR 99ZZZX2424](https://openairdocs.org/sdr/99ZZZX2424.md): Link · cracked · May 6, 1999 · N323DM · Mooney M20R · Propeller Blade Section
  > PROPELLER LINK CRACKED.
- [SDR 20000714SH028](https://openairdocs.org/sdr/20000714SH028.md): Rod End · loose · Mar 23, 1999 · N995K · Mooney M20R · Landing Gear Retraction/Extension System
  > DURING ROUTINE ANNUAL INSP, FOUND EXCESSIVE PLAY AT ROLL PINS USED TO HOLD ROD ENDS IN PLACE FOR GEAR DOWN RETRACT/EXTENSION ROD ASSY AT LEAST.1250 INCH PLAY NOTED AT AFT END ALLOWING INNER TUBE INSERT FORE/AFT MOVEMENT WHERE ROLL PINS SECURE FWD END OF TUBE
- [SDR 98ZZZX764](https://openairdocs.org/sdr/98ZZZX764.md): Oil Cooler · cracked · Feb 2, 1998 · N9157M · Mooney M20R · Engine Oil Cooler
  > OIL COOLER INSPECTION FOUND A CRACK FORMED AT THE BASE OF THE FRONT INBOARD STIFFENER, IN WELD AREA. CRACK HAD PENETRATED THE WELD. SUSPECT CAUSE, BAD WELD.
- [SDR 98ZZZX1860](https://openairdocs.org/sdr/98ZZZX1860.md): Fuel Pump · failed · Dec 2, 1997 · N700RT · Mooney M20R · Fuel Boost Pump
  > WHILE UTILIZING THE ELECTRIC FUEL PUMP TO TRANSFER FUEL, THE PUMP FAILED IN ABOUT 15 MINUTES. THIS IS THE SECOND TIME IN A MONTH THIS MODEL WELDON PUMP FAILED IN A MOONEY OVATION. BOTH PUMPS HAVE APPROXIMATELY THE SAME AMOUNT OF TOTAL TIME.
- [SDR 97ZZZX1160](https://openairdocs.org/sdr/97ZZZX1160.md): Hub · failed · Feb 14, 1997 · N97ST · Mooney M20R · Alternator-Generator Drive
  > ALTERNATOR FAILURE IN-FLIGHT. INVESTIGATION REVEALED ALT DRIVE HUB HAD FAILED.
- [SDR 96ZZZX196](https://openairdocs.org/sdr/96ZZZX196.md): Support Bracket · broken · Dec 12, 1995 · N6792G · Mooney M20R · Engine Air Baffle Section
  > DURING ANNUAL INSPECTION, NOTED THE BAFFLE SUPPORT BRACKET UNDER THE FRONT CENTER SECTION OF ENGINE WAS BROKEN. OBTAINED NEW BRACKET AND INSTALLED. SUBMITTER STATED FURTHER WORK ON THIS AND ANOTHER MOONEY M20R SHOW THIS BRACKET IS BREAKING WITH REGULARITY, L

Next page: https://openairdocs.org/model/mooney-m20r/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 = 'M20R'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/mooney-m20r/reports

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