# Service difficulty reports: Cessna 140

A list on [Cessna 140](https://openairdocs.org/model/cessna-140.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2026FA0000212](https://openairdocs.org/sdr/2026FA0000212.md): Engine · making metal · Mar 25, 2026 · N89109 · Cessna 140 · Engine (Reciprocating)
  > DURING THE ENGINE OVERHAUL, UNDER THE DISASSEMBLY PROCESS, WE FOUND A MOUNTED EXTERNAL SPIN-ON OIL FILTER. HOWEVER, THE ENGINE STILL RETAINED ITS ORIGINAL INTERNAL MESH OIL FILTER. THE ORIGINAL FILTER CONTAINED A SIGNIFICANT AMOUNT OF OIL SLUDGE, DEPOSITS, AND
- [SDR 2024FA0000555](https://openairdocs.org/sdr/2024FA0000555.md): Isolation Mount · cracked · Aug 1, 2024 · N72885 · Cessna 140 · Engine Mount Section
  > DURING THE REPLACEMENT OF THE ENGINE MOUNTS, WE FOUND THAT THE TORQUE CALLED OUT IN THE MAINTENANCE MANUAL (CESSNA 100- SERIES SERVICE MANUAL 1962 AND PRIOR PARA 12-10(B) AND PAGE 1-8 FOR 3/8-24 AN310 SELF LOCKING NUT NOTE 2 (160-190 IN. LBS)) APPEARS TO BE E
- [SDR 2021FA0000245](https://openairdocs.org/sdr/2021FA0000245.md): Bolt · cracked · Feb 10, 2021 · N72254 · Cessna 140 · Nose/Tail Landing Gear Attach Section
  > PILOT REPORTED TAIL WHEEL SPRING ATTACHMENT BOLT BROKE AT TOUCHDOWN. THIS CAUSED THE TAIL TO POP UP AND A LOSS OF DIRECTIONAL CONTROL. IT IS UNKNOWN OF THE BOLT TOTAL TIME. THIS IS AN AREA THAT IS OFTEN OVERLOOKED BECAUSE OF THE DIFFICULTLY OF INSPECTING. THIS
- [SDR WPR16LA068](https://openairdocs.org/sdr/WPR16LA068.md): Axle · broken · Feb 13, 2016 · N3625V · Cessna 140 · Main Landing Gear Strut/Axle/Truck
  > LEFT AXLE BROKEN IN HALF ON LANDING CAUSING ACCIDENT AND SUBSTANTIAL DAMAGE TO ACFT. AXLE FOUND SEPARATED IN 2 INBD OF INNER BEARING RACE LOCATION. EVIDENCE NOTED OF POSSIBLE PRIOR DAMAGE IN AREA OF CRACK AND SEPARATION, POTENTIALLY FROM PRIOR ACCIDENT OR US
- [SDR 2014FA0000425](https://openairdocs.org/sdr/2014FA0000425.md): Bracket · broken · Jul 11, 2014 · N76850 · Cessna 140 · Emergency Equipment
  > DURING THE COURSE OF A FATAL INCIDENT INVESTIGATION ON JULY 5, 2014, IT WAS DISCOVERED THAT THE PILOT’S SEAT, BRACKET-SAFETY-SEAT-BELT-CENTER, PN 0425132, WAS BROKEN AND THE SEAT BELT HAD SLIPPED OFF THE BRACKET. THE ACFT ROLLED OFF THE RUNWAY AFTER LANDING A
- [SDR CA091113003](https://openairdocs.org/sdr/CA091113003.md): Guide · broken · Nov 5, 2009 · Cessna 140 · Reciprocating Engine Cylinder Section
  > (CAN) BROKEN VALVE GUIDE DETECTED AS THE ANNUAL 1 100 HR INSPECTION. CYLINDER ASSY REMOVED, LOW COMPRESSION ON DIFFERENTIAL TEST 20/80 SENT TO AMO FOR REPAIR NOTE: CYLINDER ASSY WAS PURCHASED NEW OCT. 2004 - 245.0 HR.
- [SDR 2008FA0000558](https://openairdocs.org/sdr/2008FA0000558.md): Fitting · corroded · Aug 1, 2008 · N76671 · Cessna 140 · Trailing Edge Flaps
  > THE PART WAS BEGINNING TO RUST THROUGH IN LOCATION RESPONSIBLE FOR ATTACHING THE LT FLAP TO THE FLAP CONTROL. THE DEFECT WAS FOUND DURING AN ANNUAL INSPECTION. PROBABLE CAUSE WAS RUSTING DUE TO AGE. A MORE THOROUGH INSPECTION OF THE AREA DURING PREFLIGHT SHOUL
- [SDR 2008FA0000258](https://openairdocs.org/sdr/2008FA0000258.md): Tape · loose · Feb 28, 2008 · N3527V · Cessna 140 · Wing, Plate/Skin
  > DURING FLIGHT, THE FABRIC PATCH CAME OFF. THE AC WAS LANDED WITH SOME DIFFICULTY BUT WITHOUT INCIDENT. IT IS SPECULATED THE AIR STREAM GOT UNDER A LOOSE TAPE AND LIFTED THE ENTIRE PATCH FROM THE WING INCLUDING RIPPING THE FABRIC CLIPS OUT OF THE RIBS. IT IS
- [SDR 2006FA0001035](https://openairdocs.org/sdr/2006FA0001035.md): Oil Filter · contaminated · Oct 27, 2006 · N72951 · Cessna 140 · Reciprocating Engine Oil System
  > DURING CRUISE FLIGHT, OIL PRESSURE DROPPED TO BELOW MINIMUM REDLINE. PRECAUTIONARY LANDING WAS MADE. ON INSPECTION, DISCOVERED RECENTLY INSTALLED (2 HOURS IN SERVICE) OIL FILTER HAS DESIGN AND/OR MANUFACTURING DEFECT ALLOWING AN INTERNAL SEAL TO BE DAMAGED D
- [SDR 2006FA0001034](https://openairdocs.org/sdr/2006FA0001034.md): Oil Filter · contaminated · Oct 27, 2006 · N72951 · Cessna 140 · Reciprocating Engine Oil System
  > DURING CRUISE FLIGHT, OIL PRESSURE DROPPED TO BELOW MINIMUM REDLINE. PRECAUTIONARY LANDING WAS MADE. ON INSPECTION, DISCOVERED RECENTLY INSTALLED (2 HOURS IN SERVICE) OIL FILTER HAS DESIGN AND/OR MANUFACTURING DEFECT ALLOWING AN INTERNAL SEAL TO BE DAMAGED D
- [SDR 2005FA0001291](https://openairdocs.org/sdr/2005FA0001291.md): Control Tube · corroded · Sep 2, 2005 · N89671 · Cessna 140 · Trailing Edge Flap Control System
  > THE IB RT FLAP AND SECTION OF THE FLAP CONTROL TUBE WERE EXAMINED. THE CONTROL TORQUE TUBE WELD CONTAINED SURFACE CORROSION AND A FATIGUE CRACK WAS NOTED.
- [SDR 2005FA0000494](https://openairdocs.org/sdr/2005FA0000494.md): Crankshaft · broken · Feb 6, 2005 · N140SG · Cessna 140 · Reciprocating Engine Power Section
  > THE ENGINE WAS UNDER POWER WHEN THE CRANKSHAFT BROKE. THE ENGINE RAN UNTIL AIRCRAFT WAS ON GROUND. THERE WAS AN EXTREME VIBRATION. (K)
- [SDR 2003FA0000583](https://openairdocs.org/sdr/2003FA0000583.md): Line · corroded · May 5, 2003 · N73017 · Cessna 140 · Engine Oil Pressure
  > THE OIL INDICATOR LINE WAS WORN COMPLETELY THROUGH. THE CIRCUMSTANCES UNDER WHICH IT OCCURED, WAS DURING FLIGHT. PROBABLE CAUSE: OLD AND CORRODED. RECOMMENDATION TO PREVENT RECURRENCE: CLOSER INSPECTIONS OF ENGINE, AND ENGINE PARTS/ COMPONENTS.
- [SDR CA030218008](https://openairdocs.org/sdr/CA030218008.md): Control Cable · corroded · Feb 11, 2003 · Cessna 140 · Rudder Control System
  > (CAN) 2 CABLES FOUND CORRODED AND FRAYED AT FUSELAGE STA. 20.5. BOTTOM OF FORWARD LANDING GEAR BULKHEAD. DEFECT WAS FOUND ON CABLES BECAUSE THEY HAD TO BE REMOVED FOR MAJOR STRUCTURAL REPAIRS. THOSE CABLES RUN ON PULLIES ATTACHED TO THE BULKHEAD AT THE VERY BO
- [SDR CA020729003](https://openairdocs.org/sdr/CA020729003.md): Blade · corroded · Jul 17, 2002 · Cessna 140 · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. EXTRA WORK REQUIRED TO REMOVE CORROSION CARRIED OUT: AN OVERHAUL. AS PER MCCAULEY MANUAL 730720
- [SDR ASOA01186](https://openairdocs.org/sdr/ASOA01186.md): Audio Panel · faulty · Sep 25, 2001 · N241S · Cessna 140 · Audio Integrating System
  > WHILE ON APPROACH INTO ATL FROM LYH, CAPTAIN REPORTED SMELLING AN ELECTRICAL ODOR FOLLOWED BY SEEING SMOKE COMING FROM FIRST OFFICERS AUDIO CONTROL PANEL. CAPTAIN REQUESTED PRIORITY HANDLING, BUT HE DID NOT DECLARE AN EMERGENCY. ON FINAL APPROACH THE SMOKE H
- [SDR 20001228SH002](https://openairdocs.org/sdr/20001228SH002.md): Hose · leaking · Dec 11, 2000 · N1888V · Cessna 140 · Engine Fuel Distribution
  > DURING ANNUAL INSPECTION, THE FLEXIBLE FUEL HOSE WAS FOUND WET WITH FUEL NEAR ONE OF THE FITTINGS. THE HOSE WAS NOT THAT OLD AND WAS MADE IN THE FIELD. (X)
- [SDR 20001206SH027](https://openairdocs.org/sdr/20001206SH027.md): Sealant · failed · Nov 17, 2000 · N279W · Cessna 140 · Fuel Storage
  > LARGE PARTICLES OF SLOSHING TYPE FUEL TANK SEALANT WERE FOUND ON THE FUEL TANK FINGER SCREEN DURING A POST-ACCIDENT INSPECTION. THE SUBJECT ACFT HAD AN AUTOFUEL STC WHICH MAY NOT HAVE BEEN COMPATIBLE WITH THE SEALANT WHICH WAS APPLIED IN 1957. (X)
- [SDR CA000306021](https://openairdocs.org/sdr/CA000306021.md): Bracket · broken · Mar 6, 2000 · Cessna 140 · Fuselage, Landing Gear Attach Fittings
  > (CAN) WHILE TAXIING, THE TAIL WHEEL BRACKET BROKE OFF AND THE TAIL OF THE AIRCRAFT CAME IN CONTACT WITH THE GROUND. THE BRACKET HAD CRACKED AT THE ATTACHMENT RIVET HOLES.
- [SDR 99ZZZX3613](https://openairdocs.org/sdr/99ZZZX3613.md): Bulkhead · cracked · Aug 30, 1999 · N1850V · Cessna 140 · Fuselage Main, Bulkhead
  > DURING ROUTINE INSPECTION, FOUND ELEVATOR CONTROL CABLE TENSION LOW. ATTEMPT TO ADJUST, COULD NOT ATTAIN PROPER TEST. INSPECT CABLE ROUTING, NOT ABLE TO VERIFY PULLEY MOVEMENT. THERE ARE NO ACCESS PLATES OR PANELS TO VISUALLY INSPECT. ENTIRE TAIL GROUP WAS
- [SDR 99ZZZX2977](https://openairdocs.org/sdr/99ZZZX2977.md): Bracket · broke · Jul 18, 1999 · N77310 · Cessna 140 · Wing Miscellaneous Structure
  > UPPER RIGHT AILERON PULLEY BRACKET BROKEN IN-FLIGHT ABOUT 2 MINUTES AFTER TAKEOFF. AIRPLANE WAS FLOWN RUDDER ONLY BACK TO AIRPORT. NO DAMAGE OR INJURIES.
- [SDR 99ZZZX3066](https://openairdocs.org/sdr/99ZZZX3066.md): Piston Ring · failed · Jul 1, 1999 · N77310 · Cessna 140 · Reciprocating Engine Cylinder Section
  > REMOVED CYLINDERS BECAUSE LOWER COMPRESSION. FOUND BROKEN RINGS ON NR 2, NR 3, AND NR 4 CYLINDERS. CAUSE UNKNOWN.
- [SDR 99ZZZX423](https://openairdocs.org/sdr/99ZZZX423.md): Washer · worn · Dec 1, 1998 · N89513 · Cessna 140 · Magneto/Distributor
  > UPON MAGNETO AD NOTE INSPECTION NOTED: SCREW RETAINING CAM LOOSE ON ROTATING MAGNET. WASHER UNDER SCREW HAD ALMOST WORN AWAY SCREW HEAD. INSTALLED NEW SCREW AND WASHER.
- [SDR 98ZZZX1002](https://openairdocs.org/sdr/98ZZZX1002.md): Spar · missing · Oct 16, 1997 · N76512 · Cessna 140 · Horizontal Stabilizer, Spar/Rib
  > REINFORCEMENT CHANNEL/SPAR WAS MISSING/NOT INSTALLED. IT APPEARED THE SPAR HAD NEVER BEEN INSTALLED FROM THE FACTORY.
- [SDR 97ZZZX2877](https://openairdocs.org/sdr/97ZZZX2877.md): Fulcrum Pin · spalled · Jun 2, 1997 · N76122 · Cessna 140 · Fuel Control/Reciprocating Engines
  > ENGINE QUIT ON TAKEOFF JUST AFTER ROTATION RESULTING IN DAMAGE TO THE AIRCRAFT. ENGINE WAS CHECKED FOR FUEL, COMPRESSION, AND IGNITION. ENGINE WAS STARTED AND RUN-UP. OPERATION APPEARED TO BE NORMAL. DISASSEMBLED CARBURETOR AND BENCH CHECKED. FLOAT LEVEL
- [SDR 97ZZZX2816](https://openairdocs.org/sdr/97ZZZX2816.md): Exhaust Valve · leak · May 17, 1997 · N72742 · Cessna 140 · Reciprocating Engine Cylinder Section
  > FORTY HOURS AFTER CYLINDER ASSY REPLACED, ALLL EXHAUST VALVES WERE LEAKING ON COMPRESSION CHECK ON ALL 4 CYLINDERS.
- [SDR 97ZZZX1247](https://openairdocs.org/sdr/97ZZZX1247.md): Strut · corroded · Mar 21, 1997 · N3728V · Cessna 140 · Wing Structure
  > REMOVED WING LIFT STRUT VERTICAL BRACES TO FACILITATE REPAINT OF STRUTS AND BRACES. FOUND CORROSION ON STRUT AT BRACE CLAMP AREA. PTTING HAD OCCURRED CIRCUMFERENTIALLY AROUND THE LIFT STRUT. ALTHOUGH PITTING WAS NOT EXCESSIVE IN THIS CASE, FURTHER DAMAGE CO
- [SDR 97ZZZX790](https://openairdocs.org/sdr/97ZZZX790.md): Distributor Blk · worn · Jan 20, 1997 · N1859V · Cessna 140 · Magneto/Distributor
  > TROUBLESHOT IGNITION SYSTEM. FOUND LEFT MAGNETO TO BE PROBLEM. DISASSEMBLED MAGNETO AND FOUND ROTOR GEAR RUBBING ON DISTRIBUTOR BLOCK HOUSING. DISTRIBUTOR BLOCK HOUSING WAS WARPED. ALSO FOUND BUSHING IN DISTRIBUTOR BLOCK HOUSING WAS WORN THROUGH ON SIDE TO
- [SDR 97ZZZX496](https://openairdocs.org/sdr/97ZZZX496.md): Hinge · cracked · Jan 15, 1997 · N1917V · Cessna 140 · Trailing Edge Flaps
  > DURING ANNUAL INSPECTION, THE LEFT WING FLAP HINGES WERE FOUND CRACKED. LEFT AND RIGHT ONLY. THE AREA OF THE CRACKS WAS FOUND AT THE ATTACHING SCREW HOLES. THE CRACKS ORIGINATED IN THE HOLES AND RAN TO EACH CORNER OF THESE HINGES. PARTS TOTAL TIME UNKNOWN.
- [SDR 97ZZZX172](https://openairdocs.org/sdr/97ZZZX172.md): Bellcrank · wrong part · Dec 16, 1996 · N1772V · Cessna 140 · Aileron Control System
  > DURING RIGGING CHECK AT ANNUAL INSPECTION FOUND THAT AILERONS COULD NOT REACH FULL TRAVEL UP OR DOWN. THE LT AILERON TRAVEL 21 DEGREES UP AND 11 DEGREES DOWN AND THE RT AILERON TRAVEL ONLY 13 DEGREES UP AND 18 DEGREES DOWN. INV. FOUND INCORRECT BELLCRANK INS
- [SDR EY2R9601180](https://openairdocs.org/sdr/EY2R9601180.md): Propeller · corroded · Nov 1, 1996 · Cessna 140 · Propeller Assembly
  > CORROSION FOUND ON FIXED-PITCH PROPELLER.
- [SDR EY2R9601179](https://openairdocs.org/sdr/EY2R9601179.md): Propeller · corroded · Nov 1, 1996 · Cessna 140 · Propeller Assembly
  > CORROSION FOUND ON FIXED-PITCH PROPELLER.
- [SDR 96ZZZX4623](https://openairdocs.org/sdr/96ZZZX4623.md): Needle Valve · swelled up · Aug 1, 1996 · Cessna 140 · Fuel Control/Reciprocating Engines
  > CARBURETOR FLOAT CHAMBER NEEDLE VALVE TIP SWELLED UP, PROBABLY DUE TO 100 LL OR AUTOGAS. ENGINE FALTERED AT HIGH POWER SETTINGS. TAKEOFF ABORTED.
- [SDR CA960923012](https://openairdocs.org/sdr/CA960923012.md): Piston · cracked · Jul 15, 1996 · Cessna 140 · Reciprocating Engine Cylinder Section
  > (CAN) DURING THE ANNUAL AIRCRAFT INSPECTION THE #2 CYLINDER COMPRESSION CHECK WAS LOW AT 43/80. UPON REMOVAL OF THE CYLINDER, THE PISTON WAS FOUND CRACKED IN TWO PLACES ON THE WRIST PIN BOSSES. A NEW CYLINDER AND PISTON WILL BE INSTALLED.
- [SDR AU960834](https://openairdocs.org/sdr/AU960834.md): Needle · deteriorated · Jun 1, 1996 · Cessna 140 · Fuel Control/Reciprocating Engines
  > (AUS) CARBURETTOR FLOAT NEEDLE RUBBER TIP HARDENED AND DEFORMED - OBSOLETE PART
- [SDR 96ZZZX3770](https://openairdocs.org/sdr/96ZZZX3770.md): Axle · broke · Jun 1, 1996 · N3609V · Cessna 140 · Main Landing Gear Strut/Axle/Truck
  > DURING TAKEOFF FROM PRIVATE TURF STRIP, RT AXLE BROKE AT JUNCTURE OF TUBE AND MOUNTING FLANGE. RT WHEEL TIRE BRAKE ASSY DEPARTED AIRCRAFT. AIRCRAFT GROUND LOOPED CAUSING SUBSTANTIAL DAMAGE TO AIRCRAFT. INSPECTION OF AXLE INDICATED A CRACK APPROXIMATELY 150
- [SDR 96ZZZX3749](https://openairdocs.org/sdr/96ZZZX3749.md): Spar · cracked · Apr 18, 1996 · N2408N · Cessna 140 · Wing Spar
  > THIS IS THE THIRD TIME THIS SPAR HAS BEEN CRACKED. THIS AIRCRAFT IS ON EDO 88-1650 FLOATS. IT IS NECESSARY TO REMOVE THE FORWARD END OF THE HEADLINER TO INSPECT THIS AREA. AIRCRAFT TT, 3,042.39 HOURS.
- [SDR 95ZZZX6773](https://openairdocs.org/sdr/95ZZZX6773.md): Crankshaft · broke · Nov 1, 1995 · N720CU · Cessna 140 · Engine (Reciprocating)
  > CRANKSHAFT BROKE BETWEEN FIRST AND SECOND ROD THROW. TOTAL TIME SINCE NEW, 129.8 HOURS.
- [SDR 95ZZZX2905](https://openairdocs.org/sdr/95ZZZX2905.md): Control Cable · frayed · May 18, 1995 · N1859V · Cessna 140 · Rudder Control System
  > BOTH RUDDER CABLES FOUND FRAYED 6-10 STRANDS AT FORWARD-MOST PULLEYS JUST AFT OF RUDDER PEDALS. TWO MONTHS PREVIOUSLY, SAME DEFECT FOUND IN EXACT LOCATION ON A CESSNA 120. SUBMITTER SUGGESTS 100 HR/ANNUAL INSPECTION BE REQUIRED.

## 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 = '140'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/cessna-140/reports

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