# Service difficulty reports: Wright R3350 series

A list on [Wright R3350 series](https://openairdocs.org/engine/wright-r3350-series.md).

Newest first. General aviation reporting is voluntary.

- [SDR NI6R201708260046](https://openairdocs.org/sdr/NI6R201708260046.md): Warning Light · false activation · Aug 26, 2017 · N1386C · Lkheed P2V5F · Reciprocating Engine Oil System
  > DURING CLIMB OUT FROM FIREFIGHTING DROP, THE CREW NOTICED A REAR OIL SYSTEM CHIP LIGHT ON THE RT RADIAL ENGINE. THE ENGINE WAS SHUTDOWN AND SECURED AND A IFE DECLARED. THE AIRCRAFT RETURNED TO BASE WITH AN UNEVENTFUL LANDING. UPON EXAMINING THE CHIP DETECT
- [SDR NI6R201708230045](https://openairdocs.org/sdr/NI6R201708230045.md): Oil System · low pressure · Aug 23, 2017 · N1386C · Lkheed P2V5F · Manifold Pressure (MP) Indicating
  > IN LOADED CRUISE FLIGHT, RIGHT RADIAL ENGINE LOST MANIFOLD PRESSURE FOLLOWED BY A REAR OIL SYSTEM CHIP LIGHT. ENGINE WAS SHUT DOWN, JETTISONED THE LOAD, AND RETURNED TO BASE WITH AN UNEVENTFUL LANDING. IFE WAS DECLARED.
- [SDR NI6R201708050044](https://openairdocs.org/sdr/NI6R201708050044.md): Trim System · twisted · Aug 5, 2017 · N410NA · Lkheed P2V5F · Elevator Tab Control System
  > IMMEDIATELY AFTER LIFT OFF, AT APPROXIMATLEY 500 FT AGL, THE CAPTAIN NOTICED THE NOSE WAS INCREASING INTO AN UNCOMMANDED PITCH UP. THE CREW ATTEMPTED TO TRIM THE AIRCRAFT USING THE ELEVATOR TRIM SYSTEM BUT THE INDICATOR DID NOT MOVE. TRIED TO USE THE THE TR
- [SDR NI6R201707250043](https://openairdocs.org/sdr/NI6R201707250043.md): Chip Detector · malfunctioned · Jul 25, 2017 · N96278 · Lkheed P2V5F · Reciprocating Engine Oil System
  > IN CRUISE FLIGHT, THE LT RADIAL ENGINE OIL SYSTEM REAR CHIP LIGHT ILLUMINATED INTERMITTENTLY, THEN WENT TO STEADY ON. NO OTHER ABNORMAL INDICATIONS WERE NOTED. ENGINE WAS SHUTDOWN AND SECURED AS A PRECAUTIONARY MEASURE AND CREW RETURNED TO BASE, JETTISONED THE
- [SDR NI6R201707220042](https://openairdocs.org/sdr/NI6R201707220042.md): Governor · faulted · Jul 22, 2017 · N9855F · Lkheed P2V5F · Propeller Governor
  > ON TAKE OFF ROLL, CAPTAIN SAW THE RT RADIAL ENGINE RPM INDICATING HIGH. ATTEMPTED TO MANUALLY TOGGLE THE PROPELLER TO DECREASE THE ENGINE RPM. WHEN NO RPM DROP OCCURRED, ELECTED TO ABORT THE TAKE OFF. AS THE CREW HELD REVERSE PROPPELLER LONGER THAN NORMAL W
- [SDR NI6R201707180041](https://openairdocs.org/sdr/NI6R201707180041.md): Exhaust Pipe · leaking · Jul 18, 2017 · N410NA · Lkheed P2V5F · Engine Collector/Tailpipe/Nozzle
  > NORMAL LOADED TAKE-OFF & ROTATION. RECIP NR 2 FIRE LIGHT ILLUMINATED WITH THE AIRCRAFT AIRBORNE OVER THE END OF THE RUNWAY AND ENGINE POWER AT TAKE-OFF POWER. POWER WAS REDUCED TO CLIMB POWER SETTING AND THE LIGHT EXTINGUISHED IMMEDIATELY. LOAD WAS JETTISON
- [SDR NI6R201706110039](https://openairdocs.org/sdr/NI6R201706110039.md): Rocker Shaft · failed · Jun 11, 2017 · N9855F · Lkheed P2V5F · Reciprocating Engine Cylinder Section
  > AFTER RETARDANT DROP, THE FLIGHT CREW NOTICED OIL STREAMING DOWN THE SIDE OF THE RH RADIAL ENGINE. THE ENGINE WAS SHUT DOWN, AND AN IFE DECLARED. AIRCRAFT RETURNED TO BASE AND PERFORMED AN UNEVENTFUL LANDING. UPON INVESTIGATION, THE ROCKER ARM FOR NR 12 CYL
- [SDR NI6R201608270037](https://openairdocs.org/sdr/NI6R201608270037.md): B-Nut · cracked · Aug 27, 2016 · N445NA · Lkheed P2V7 · Hydraulic System, Main
  > NR 2 RADIAL ENGINE HYDRAULIC PUMP PRESSURE LINE INTERNAL TO THE FUSELAGE BEGAN LEAKING IN FLIGHT. UPON IDENTIFICATION OF THE LEAK, THE NR 2 ENGINE WAS SHUTDOWN AND AN IFE WAS DECLARED. LANDING WAS UNEVENTFUL. UPON INVESTIGATION OF THE LEAK, IT WAS DISCOVERE
- [SDR NI6R201603270032](https://openairdocs.org/sdr/NI6R201603270032.md): Cylinder · inoperative · Mar 27, 2016 · N9855F · Lkheed P2V5F · Reciprocating Engine Cylinder Section
  > LEFT RADIAL ENGINE BEGAN POPPING AND BANGING. FLIGHT CREW CHECKED ENGINE ANALYZER AND FOUND A DEAD CYLINDER INDICATION. ENGINE WAS SHUTDOWN AND SECURED. UNEVENTFUL LANDING.
- [SDR NI6R201508160031](https://openairdocs.org/sdr/NI6R201508160031.md): Warning Light · illuminated · Aug 16, 2015 · N807NA · Lkheed P2V5F · Reciprocating Engine Oil System
  > FORWARD OIL SYSTEM CHIP LIGHT FLICKERED ON AND OFF AFTER RETARDANT DROP, THEN REMAINED OFF. ENGINE WAS SHUTDOWN AND SECURED FOR REMAINDER OF FLIGHT ON A PRECAUTIONARY BASIS. CHIP WARNING LIGHT CAME BACK ON AGAIN ON FINAL APPROACH TO LANDING WITH ENGINE SHUTD
- [SDR NI6R201507060028](https://openairdocs.org/sdr/NI6R201507060028.md): Sequence Valve · binding · Jul 6, 2015 · N1386C · Lkheed P2V5F · Engine Oil Distribution (Airframe Furnished)
  > DURING RETURN LEG THE LT RADIAL ENGINE OIL SYSTEM BEGAN INDICATING OVER TEMP READINGS. OTHER ENGINE INDICATIONS APPEARED NORMAL. ENGINE WAS SHUTDOWN AND SECURED FOR REMAINDER OF FLIGHT TO BASE. IFE WAS NOT DECLARED, LANDING WAS UNEVENTFUL.
- [SDR NI6R201503080026](https://openairdocs.org/sdr/NI6R201503080026.md): Oil System · leaking · Mar 8, 2015 · N1386C · Lkheed P2V5F · Reciprocating Engine Oil System
  > DURING CRUISE FLIGHT, THE CAPTAIN NOTICED OIL STREAMING FROM THE LT RADIAL ENGINE. FLIGHT DIVERTED TO NEAREST BASE WITH AN UNEVENTFUL LANDING.
- [SDR NI6R201503060025](https://openairdocs.org/sdr/NI6R201503060025.md): Chip Detector · warning light · Mar 6, 2015 · N1386C · Lkheed P2V5F · Engine (Reciprocating)
  > LT RADIAL ENGINE REAR OIL SUMP CHIP DETECTOR LIGHT ILLUMINATED AFTER T/O ON CLIMB AT METO POWER SETTING. ENGINE WAS SHUTDOWN AND THE ACFT RETURNED TO BASE WITH AN UNEVENTFUL LANDING.
- [SDR NI6R201409060019](https://openairdocs.org/sdr/NI6R201409060019.md): Warning Light · illuminated · Sep 6, 2014 · N96278 · Lkheed P2V5F · Reciprocating Engine Oil System
  > NR 2 RADIAL ENGINE FRONT OIL SUMP CHIP DETECTOR LIGHT ILLUMINATED IN CRUISE FLIGHT. ENGINE WAS SHUTDOWN AND RETARDANT LOAD JETTISONED. AIRCRAFT RETURNED TO BASE WITH AN UNEVENTFUL LANDING.
- [SDR NI6R201409050018](https://openairdocs.org/sdr/NI6R201409050018.md): Engine · malfunctioned · Sep 5, 2014 · N410NA · Lkheed P2V5F · Engine (Reciprocating)
  > DURING A POST INSPECTION FCF, IN CRUISE FLIGHT, THE NR 2 RADIAL ENGINE BACKFIRED WITH A CORRESPONDING FUEL FLOW FLUCTUATION INDICATED. ENGINE WAS SHUTDOWN AND AN IFE DECLARED. ACFT LANDED UNEVENTFULLY.
- [SDR CA140818015](https://openairdocs.org/sdr/CA140818015.md): Blade · deformed · Aug 14, 2014 · Propeller Blade Section
  > (CAN) THE PROPELLER BLADE WAS REMOVED AND DISASSEMBLED FOR INSPECTION. THE INSPECTION REVEALED THAT THE BLADE TIP DEFORMITY WAS CAUSED BY THE FAILURE OF THE BLADE INTERNAL RUBBER CENTRE SECTION RIB. PORTIONS OF THE RIGHT SIDE TRAILING EDGE CENTRE SECTION RIB H
- [SDR NI6R201408100016](https://openairdocs.org/sdr/NI6R201408100016.md): Turbine · failed · Aug 10, 2014 · N1386C · Lkheed P2V5F · Engine (Reciprocating)
  > DURING CRUISE RETURNING TO BASE, WHEN THE NR 2 RADIAL ENGINE REAR SUMP METAL CONTAMINATION LIGHT ILLUMINATED, FOLLOWED BY A DEGRADATION OF TORQUE REQUIRING ADDITIONAL MANIFOLD PRESSURE TO MAINTAIN CRUISE POWER, WHITE SMOKE OBSERVED FROM THE INBD POWER RECOVER
- [SDR NI6R201408100017](https://openairdocs.org/sdr/NI6R201408100017.md): Engine · making metal · Aug 10, 2014 · N807NA · Lkheed P2V5F · Engine (Reciprocating)
  > DURING DEPARTURE, THE NR 1 RADIAL ENGINE REAR SUMP METAL CONTAMINATION LIGHT ILLUMINATED ON CLIMBOUT. NO OTHER ABNORMAL INDICATIONS WERE NOTED. THE ENGINE WAS SECURED, THE ACFT RETURNED TO BASE AND LANDED WITHOUT FURTHER INCIDENCE. AN IFE WAS NOT DECLARED
- [SDR NI6R201407200014](https://openairdocs.org/sdr/NI6R201407200014.md): Engine · making metal · Jul 20, 2014 · N9855F · Lkheed P2V5F · Engine (Reciprocating)
  > DURING CLIMB, THE NR 1 RADIAL ENGINE FRONT CHIP DETECT LIGHT ILLUMINATED. NO OTHER ABNORMAL INDICATIONS WERE PRESENT. THE DECISION WAS MADE TO JETTISON THE RETARDANT LOAD AND SECURE THE ENGINE. BOTH JETS AND NR 2 RADIAL ENGINE WERE OPERATING NORMALLY. AN E
- [SDR 2012FA0000564](https://openairdocs.org/sdr/2012FA0000564.md): Skin · loose · Aug 13, 2012 · N443NA · Lkheed P2V7 · Wing, Plate/Skin
  > FOUND WING SKIN AT THE ATTACHING FASTENERS AT THE RT LOWER FWD SPAR CAP RUNNING FOR APPROX 20" TO HAVE WORKED LOOSE. SKIN CAN BE PUSHED UP AND DOWN APPROX.020". UPON REMOVAL OF THE L/E AND NACELLE PANEL, A 4" CRACK IN THE WING SKIN WAS DISCOVERED RUNNING AF
- [SDR 2010FA0001060](https://openairdocs.org/sdr/2010FA0001060.md): Regulator Valve · worn · Sep 16, 2010 · N9855F · Lkheed P2V5F · Hydraulic System, Main
  > (NI6R) ON APPROACH FOR LANDING, THE AIRCREW DISCOVERED THE MAIN HYD SYS WOULD NOT BUILD PRESSURE ABOVE 1,000 PSI. NORMAL IN-FLIGHT OPERATING RANGE IS 1,400 - 1,725 PSI. AN IN-FLIGHT EMERGENCY WAS DECLARED, THE ACFT LANDED SAFELY, AND WAS TOWED FROM THE ACTIVE
- [SDR CA100830002](https://openairdocs.org/sdr/CA100830002.md): Engine · overspeed · Aug 9, 2010 · Engine (Reciprocating)
  > ON TAKEOFF POWER APPLICATION, ENGINE AND PROPELLER OVERSPEED OCCURRED. TAKEOFF WAS ABORTED AND ENGINE WAS SHUTDOWN. PROPELLER CONTINUED TO ROTATE AFTER ENGINE SHUTDOWN. PROPELLER FEATHER WAS CARRIED OUT. ENGINE AND PROPELLER REMOVED FOR INVESTIGATION, OVER S
- [SDR 2010FA0000517](https://openairdocs.org/sdr/2010FA0000517.md): Spoiler Sys · broken · May 15, 2010 · N445NA · Lkheed P2V7 · Spoilers
  > ((NI6R)) FOUND THAT AT FULL AILERON DEFLECTION AND DESCENT SPOILERS DEPLOYED, WHEN ROLLING AILERONS OUT OF FULL TRAVEL BINDING OCCURRED BETWEEN P/N 428409 AND P/N 428414, CAUSING FAILURE OF PN'S 428409 AND 428410. THIS RENDERS THE ROLL AND DESCENT SPOILERS IN
- [SDR 2010FA0000518](https://openairdocs.org/sdr/2010FA0000518.md): Arm · broken · May 15, 2010 · N443NA · Lkheed P2V7 · Spoilers
  > ((NI6R)) FOUND THAT AT FULL AILERON DEFLECTION AND DESCENT SPOILERS DEPLOYED, WHEN ROLLING AILERONS OUT OF FULL TRAVEL BINDING OCCURED BETWEEN PN 428409 AND PN 428414, CAUSING FAILURE OF PN'S 428409 AND 428410. THIS RENDERS THE ROLL AND DESCENT SPOILERS INOPE
- [SDR 2010FA0000086](https://openairdocs.org/sdr/2010FA0000086.md): Window · separated · Feb 4, 2010 · N445NA · Lkheed P2V7 · Emergency Exits
  > PILOTS OVERHEAD HATCH WINDOW SEPARATED FROM THE FRAME SHORTLY AFTER TAKEOFF. THE PLEXIGLASS WINDOW IS MOUNTED BY USE OF A FIBERGLASS LAMINATE. THE FIBERGLASS LAMINATE IS WHAT FAILED CAUSING THE SEPARATION. THE WINDOW RIPPED OFF THE COMM 1 ANTENNAE AND DENTED T
- [SDR 2007FA0000378](https://openairdocs.org/sdr/2007FA0000378.md): Actuator · failed · Apr 26, 2007 · N718A · Lear 60LEAR · Landing Gear Door Actuator
  > WHEN LANDING GEAR WAS CYCLED DOWN, THE RT RED IB GEAR DOOR OPEN LIGHT WOULD NOT EXTINGUISH. GEAR DOWN LOCK LIGHTS WERE GREEN. NORMAL LANDING. INSPECTION REVEALED THAT THE ACTUATOR SHAFT HAD UNSCREWED FROM THE PISTON NOT ALLOWING THE DOOR TO CLOSE. FURTHER EX
- [SDR 2007FA0000377](https://openairdocs.org/sdr/2007FA0000377.md): Rod · failed · Apr 26, 2007 · N718A · Lear 60LEAR · Landing Gear Door Actuator
  > WHEN LANDING GEAR WAS CYCLED DOWN, THE RT RED IB GEAR DOOR OPEN LIGHT WOULD NOT EXTINGUISH. GEAR DOWN LOCK LIGHTS WERE GREEN. NORMAL LANDING. INSPECTION REVEALED THAT THE ACTUATOR SHAFT HAD UNSCREWED FROM THE PISTON NOT ALLOWING THE DOOR TO CLOSE. FURTHER EXAM
- [SDR USAA050347](https://openairdocs.org/sdr/USAA050347.md): Angle · cracked · Mar 7, 2005 · N781AU · Boeing 7374B7 · Ailerons
  > CLT - C2 - ANGLE,.250 INCH CRACK, CLOSE-OUT WEB JUST OB OF LT AILERON QUADRANT. REPLACED WITH FABRICATED ANGLE IAW SRM 51-10-02. (K)
- [SDR 18069](https://openairdocs.org/sdr/18069.md): Structure · cracked · Mar 3, 2004 · N139HP · Lkheed P2V7 · Wing Main, Frame Structure
  > THE CRACK/CORROSION IS LOCATED ON THE AFT VERTICAL SIDE OF STRINGER (HAT SECTION) NR 18. IT IS LOCATED IN THE LEFT HAND OUTER WING AT WING STATION 284. THE CRACK/CORROSION IS 1.25 INCH LONG AND RUNS SPAN WISE. THE CORROSION WAS REMOVED COMPLETELY AT.024 OF
- [SDR 2003F00653](https://openairdocs.org/sdr/2003F00653.md): Skin · cracked · Dec 18, 2003 · N140HP · Lkheed P2V7 · Wing, Plate/Skin
  > CRACKS EMANATING FROM THE LT AND RT MLG FORWARD LOWER CUTOUTS IN THE CENTER WING SKIN. CRACKS RUN FORWARD FROM THE IB CORNERS TO THE FIRST AND SECOND RIVETS. CRACKS DO NOT CONTINUE TO THE EDGE OF THE SKIN. LOCATIONS OF THE CUTOUTS ARE JUST INBOARD OF THE NA
- [SDR 2003FA0001277](https://openairdocs.org/sdr/2003FA0001277.md): Skin · cracked · Dec 18, 2003 · N139HP · Lkheed P2V7 · Wing, Plate/Skin
  > CRACKS EMANATING FROM THE LT AND RT MLG FORWARD LOWER CUTOUTS IN THE CENTER WING SKIN. CRACKS RUN FORWARD FROM THE IB CORNERS TO THE FIRST AND SECOND RIVETS. CRACKS DO NOT CONTINUE TO THE EDGE OF THE SKIN. LOCATIONS OF THE CUTOUTS ARE JUST INBOARD OF THE NA
- [SDR 2003FA0001249](https://openairdocs.org/sdr/2003FA0001249.md): Skin · cracked · Dec 17, 2003 · N139HP · Lkheed P2V7 · Wing, Plate/Skin
  > CRACKS EMANATING FROM THE LT AND RT MLG FORWARD LOWER CUT-OUTS IN THE CENTER WING SKIN. CRACKS RUN FORWARD FROM THE INBOARD CORNERS TO THE FIRST AND SECOND RIVETS. CRACKS DO NOT CONTINUE TO THE EDGE OF SKIN. LOCATIONS OF THE CUTOUTS ARE JUST INBOARD OF THE N
- [SDR 2003FA0001250](https://openairdocs.org/sdr/2003FA0001250.md): Skin · cracked · Dec 17, 2003 · N140HP · Lkheed P2V7 · Wing, Plate/Skin
  > CRACKS EMANATING FROM THE LT AND RT MLG FORWARD LOWER CUT-OUTS IN THE CENTER WING SKIN. CRACKS RUN FORWARD FROM THE INBOARD CORNERS TO THE FIRST AND SECOND RIVETS. CRACKS DO NOT CONTINUE TO THE EDGE OF SKIN. LOCATIONS OF THE CUTOUTS ARE JUST INBOARD OF THE N
- [SDR 2003FA0000040](https://openairdocs.org/sdr/2003FA0000040.md): Doubler · corroded · Jan 21, 2003 · N139HP · Lkheed P2V7 · Wing, Plate/Skin
  > FUEL INTERCONNECT ACCESS PANEL CUT OUT DOUBLER IS CRACKED AT LT AND RT PANEL NUMBERS 53L AND 53R. LT AND RT UPPER CENTER WING BOX BEAM COVERS HAVE MODERATE TO MILD CORROSION ON THE UPPER HAT SECTIONS AND THE SKIN BETWEEN WING STATIONS 84.5 TO 192 LT AND RT.
- [SDR 2003FA0000041](https://openairdocs.org/sdr/2003FA0000041.md): Spar Cap · corroded · Jan 21, 2003 · N139HP · Lkheed P2V7 · Wing Spar
  > FUEL INTERCONNECT ACCESS PANEL CUT OUT DOUBLER IS CRACKED AT LT AND RT PANEL NUMBERS 53L AND 53R. LT AND RT UPPER CENTER WING BOX BEAM COVERS HAVE MODERATE TO MILD CORROSION ON THE UPPER HAT SECTIONS AND THE SKIN BETWEEN WING STATIONS 84.5 TO 192 LT AND RT.
- [SDR AUS20010844](https://openairdocs.org/sdr/AUS20010844.md): Governor · faulty · Jul 13, 2001 · Lkheed C121C · Propeller Governor
  > (AUS) NR 4 ENGINE GOVERNOR FAULTY.
- [SDR AU010054](https://openairdocs.org/sdr/AU010054.md): Piston · broken · Jan 21, 2001 · Lkheed C121C · Landing Gear Selector
  > (AUS) LANDING GEAR SELECTOR VALVE PISTONS (2OFF4) BROKEN ACROSS SHANK IN AN O-RING SEAL GROOVE. BROKEN PISTON JAMMED IN PORT.
- [SDR 99ZZZX3818](https://openairdocs.org/sdr/99ZZZX3818.md): Engine · contaminated · Sep 23, 1999 · N4235T · Lkheed SP2H · Engine (Reciprocating)
  > FLIGHT CREW WAS INFORMED BY LOCAL FUEL DISTRIBUTORS THAT ALL AIRCRAFT (100 CL) NEEDED TO BE TESTED IN AIRCRAFT FOR POSSIBLE FUEL CONTAMINATION WITH JET FUEL. AIRCRAFT WAS SUMPED AND JET FUEL WAS FOUND IN THE FUEL SYSTEM. REPLACED BOTH RECIPS AND INSPECTED TU
- [SDR AU990428](https://openairdocs.org/sdr/AU990428.md): Engine · malfunctioned · Apr 20, 1999 · Engine (Reciprocating)
  > (AUS) LEFT ENGINE BACKFIRING. LIMITED INFORMATION PROVIDED.
- [SDR AU981093](https://openairdocs.org/sdr/AU981093.md): Cover · cracked · Aug 23, 1998 · Lkheed C121C · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE CYLINDER ROCKER COVER CRACKED AND LEAKING.
- [SDR AU970700](https://openairdocs.org/sdr/AU970700.md): Guide · failed · Jun 24, 1997 · Lkheed C121C · Reciprocating Engine Power Section
  > (AUS) NO2 ENGINE FRONT SUMP PLUG CONTAMINATED WITH A SMALL PIECE OF FERROUS MATERIAL - INVESTIGATION FOUND PIECE OF METAL HAD CHIPPED OFF NO2 CYLINDER INLET VALVE TAPPET GUIDE
- [SDR AU961050](https://openairdocs.org/sdr/AU961050.md): Valve Guide · worn · Jul 11, 1996 · Lkheed C121C · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE CYLINDER EXHAUST VALVE GUIDE WORN AND LOOSE IN CYLINDER HEAD
- [SDR AU960183](https://openairdocs.org/sdr/AU960183.md): Cable · broken · Jan 25, 1996 · Lkheed C121C · Engine Emergency Shutdown System
  > (AUS) NO3 ENGINE EMERGENCY SHUTOFF CABLE FAILED - SUSPECT CABLE FAILED AT A POINT WITHIN A PULLEY BLOCK WHERE THE CABLE HAD BEEN DAMAGED- NO CORROSION OR WEAR WAS EVIDENT

## 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 engine_model_key = 'R3350'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/wright-r3350-series/reports

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