# Service difficulty reports: Cessna 172D

A list on [Cessna 172D](https://openairdocs.org/model/cessna-172d.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2026FA0000049](https://openairdocs.org/sdr/2026FA0000049.md): Bracket · dented · Jan 21, 2026 · N961LC · Cessna 172D · Elevator Control System
  > ELEVATOR STOP BOLT BRACKET COMPROMISED DUE TO EXCESSIVE FORCE / WIND DAMAGE, CAUSING THE LOWER ELEVATOR STOP BOLT TO BREAK THE NUT PLATE AND INDENT THE BRACKET REQUIRING REPLACEMENT. THIS FAILURE CAUSES THE AIRCRAFT ELEVATOR TO TRAVEL BEYOND THE ALLOWABLE LIMI
- [SDR 2024FA0000458](https://openairdocs.org/sdr/2024FA0000458.md): Spar · corroded · Apr 11, 2024 · N271WW · Cessna 172D · Wing Main, Frame Structure
  > FOUND MAJOR INTERGRANULAR CORROSION ON BOTH REAR WING ATTACH POINTS. BLOCK BEARING P/N 0512122. WINGS WERE REMOVED FOR RESTORATION. FURTHER FLIGHT WOULD HAVE LED TO TOTAL WING FAILURE AND WING SEPARATING FROM FUSELAGE. SIMILAR DAMAGE FOUND ON ANOTHER AIRCRAF
- [SDR 2024FA0000307](https://openairdocs.org/sdr/2024FA0000307.md): Fuel Tank · broken · Apr 10, 2024 · N2419Y · Cessna 172D · Fuel Storage
  > REMOVED THE RH FUEL TANK TO FACILITATE OTHER MAINTENANCE. FOUND FUEL TANK BAFFLE SPOT WELDS BROKEN. THE BAFFLE WAS ABLE TO MOVE AROUND FREELY INSIDE THE TANK. THIS COULD CAUSE FALSE FUEL QUANTITY INDICATIONS DUE TO INTERFERENCE WITH THE TRANSMITTER FLOAT.
- [SDR 2022FA0000535](https://openairdocs.org/sdr/2022FA0000535.md): Piston Rod · broken · Sep 20, 2022 · N2385U · Cessna 172D · Master Cylinder/Brake Valve
  > THE THREADED END OF THE RIGHT BRAKE MASTER CYLINDER PISTON ROD SNAPPED OFF WHILE BLEEDING THE BRAKES. THE SEATS WERE OUT OF THE AIRCRAFT FOR ANNUAL INSPECTION SO THE RUDDER PEDAL WAS ONLY BEING PUSHED BY HAND. THE BROKEN END OF THE ROD LOOKED LIKE IT HAD BEE
- [SDR 2020FA0000498](https://openairdocs.org/sdr/2020FA0000498.md): Spar · cracked · Nov 13, 2020 · N356CD · Cessna 172D · Horizontal Stabilizer, Spar/Rib
  > CRACK & BUCKLE AT THE HORIZONTAL STABILIZER FORWARD SPAR CENTER LIGHTENING HOLE AT 1/4" TO 1/2" LONG. PROBABLY RELATED TO DAMAGE ON THE RIGHT INBOARD HORIZONTAL STABILIZER LEADING EDGE, IT LOOKS LIKE THE DAMAGE DESCRIBED IN CESSNA SEB 94-8 FIGURE 1.
- [SDR 2014FA0000268](https://openairdocs.org/sdr/2014FA0000268.md): Cylinder Head · cracked · Apr 12, 2014 · N2061Y · Cessna 172D · Reciprocating Engine Cylinder Section
  > NR 2 CYLINDER EXHAUST VALVE STUCK HARD AT FULL LIFT POSITION. REMOVED CYLINDER. FOUND CYLINDER HEAD CRACKED AND WAS BEYOND REPAIR. CYLINDER ASSY HAD 286 HRS OPERATION SINCE LAST REMOVAL AND SERVICE. CYLINDER ASSY HAD 999.6 HRS TT. CYLINDER ASSY WAS REPLA
- [SDR 2008FA0000202](https://openairdocs.org/sdr/2008FA0000202.md): Mount · wrong part · Mar 28, 2008 · Cessna 172D · Engine Mount Section
  > AN UNKNOWN AMOUNT OF AC FIREWALL ATTACH ASSEMBLIES (ENGINE MOUNTS) THAT WERE NOT FAA-PMA APPROVED. THE MIDO ATTEMPTED TO CONTACT THE OWNER OF MFG CONCERNING THIS MATTER, HOWEVER, ALL PHONE CALLS WERE NOT RETURNED, AND CERTIFIED LETTERS NOT ACCEPTED. AS OF THIS
- [SDR CA080121006](https://openairdocs.org/sdr/CA080121006.md): Cap · cracked · Dec 18, 2007 · Cessna 172D · Nose/Tail Landing Gear Strut/Axle
  > (CAN) DURING ANNUAL INSP OF THE NOSE GEAR ASSY AND OLEO, THE OLEO CAP WAS FOUND TO BE CRACKED. THE CRACK WAS LOCATED.1875 IN FROM THE RADIUS OF THE END FLANGE. THE CAP WAS FOUND TO BE BROKEN THROUGH AND WAS REMOVED IN 2 PIECES. REVIEW OF THE TECHNICAL RECORDS
- [SDR 2007FA0000874](https://openairdocs.org/sdr/2007FA0000874.md): Rod End · broken · Jul 28, 2007 · N2423U · Cessna 172D · Landing Gear Steering System
  > LT SIDE STEERING ROD WITH 215.92 HRS SINCE NEW HAD THE REAR BALL END THAT ATTACHES TO THE RT RUDDER BAR ASSY BREAK. THE BALL ROD END BROKE AND LEFT THE T/R STEERING ROD AS THE ONLY STEERING FOR THE NOSE GEAR. THE RODS ARE NOT SOLID RODS, THEY ARE DESIGNED TO
- [SDR CA070419005](https://openairdocs.org/sdr/CA070419005.md): Bracket · cracked · Apr 12, 2007 · Cessna 172D · Rudder Structure
  > (CAN) DURING THE ANNUAL INSPECTION, BOTH RUDDER HINGE BRACKETS WERE FOUND TO BE CRACKED. RUDDER WAS REMOVED AND REINSTALLED AFTER REPAIRS. PN 0531018-1 AND 0531018-2 WERE REPLACED WITH NEW IAW THE MM. (TC NR 20070419005)
- [SDR 2007FA0000186](https://openairdocs.org/sdr/2007FA0000186.md): Bushing · loose · Feb 22, 2007 · N2948U · Cessna 172D · Magneto/Distributor
  > BRONZE BUSHING, VERY LOOSE IN DISTRIBUTOR BLOCK AND DISTRIBUTOR ARM WAS CONTACTING PINS IN BLOCK. MAG WOULD NOT OPERATE CORRECTLY. (K)
- [SDR CA070110003](https://openairdocs.org/sdr/CA070110003.md): Torque Link · cracked · Dec 20, 2006 · Cessna 172D · Nose/Tail Landing Gear Strut/Axle
  > (CAN) PRIOR TO INSTALLATION ON AIRCRAFT, NOSE GEAR SHOCK STRUT ASSEMBLY WAS THOROUGHLY INSPECTED. SEVERAL CRACKS WERE FOUND ON UPPER TORQUE LINK. NEW MFG PART WAS INSTALLED. (TC NR 20070110003)
- [SDR 2006FA0000499](https://openairdocs.org/sdr/2006FA0000499.md): Cylinder · cracked · Apr 11, 2006 · N2566Y · Cessna 172D · Reciprocating Engine Cylinder Section
  > NR 1 CYLINDER WAS REMOVED DUE TO A CRACK.75 AROUND STEEL BARREL. IT APPEARS THAT AN OIL CONTROL RING BROKE AND EVENTUALLY DESTROYED THE PISTON AND JAMMED BETWEEN THE PISTON AND CYLINDER. TT ON THE ENGINE IS 4156.9 HRS. SMOH IS 1432.9 HRS, THE CYLINDER WAS
- [SDR 2004FA0000293](https://openairdocs.org/sdr/2004FA0000293.md): Retainer · worn · Mar 5, 2004 · N2650U · Cessna 172D · Reciprocating Engine Cylinder Section
  > FOUND PN 24077, UPPER VALVE SPRING RETAINER WORN OUT ALLOWING VALVE SPRING TO BYPASS IT. CAUSED LOSS OF STATIC RPM AND SOME ROUGHNESS OCCASIONALLY.
- [SDR 2004FA0000292](https://openairdocs.org/sdr/2004FA0000292.md): Retainer · failed · Mar 5, 2004 · N2650U · Cessna 172D · Reciprocating Engine Cylinder Section
  > FOUND UPPER VALVE RETAINER ABOUT 09 PERCENT WORN THROUGH BY OUTER SPRING (PN 625958) BUT HAD NOT FAILED YET. PN 24077 UPPER VALVE SPRING RETAINER.
- [SDR CA020916005](https://openairdocs.org/sdr/CA020916005.md): Wire Rope · broken · Aug 2, 2002 · Cessna 172D · Wheel/Ski/Float
  > (CAN) ON TAKEOFF RUN, AT APPROXIMATELY 2 FT OFF THE WATER, A/C SETTLED BACK DOWN DUE TO UNSTABLE AIR. A NOISE WAS HEARD AND THE A/C BECAME VERY UNSTABLE. ABORTED TAKEOFF. AS THE A/C SLOWED DOWN & THE LIFT DISSIPATED, THE LT WING SUDDENLY DIPPED DOWN AND C
- [SDR 2002FA0000697](https://openairdocs.org/sdr/2002FA0000697.md): Selector Valve · misinstalled · May 13, 2002 · N2538U · Cessna 172D · Fuel Selector/Shut-Off Valve
  > SPRING WAS INSTALLED BACKWARD. FUEL WOULD NOT SHUT OFF LEFT TANK. TO PREVENT RECURRENCE VALVE SHOULD BE INSPECTED AFTER OVERHAUL.
- [SDR AUS20011228](https://openairdocs.org/sdr/AUS20011228.md): Wheel · failed · Nov 19, 2001 · Cessna 172D · Control Column Section
  > (AUS) PILOTS CONTROL WHEEL BROKE INTO SEVERAL PIECES. INVESTIGATION FOUND THE COPILOTS CONTROL WHEEL CRACKED BEYOND LIMITS.
- [SDR CA010727034](https://openairdocs.org/sdr/CA010727034.md): Rheostat · failed · Jul 19, 2001 · Cessna 172D · Flight Compartment Lighting
  > (CAN) WHILE PERFORMING THE ANNUAL INSPECTION OF THE ELCTRICAL SYSTEM THE RHEOSTAT BEGAN SMOKING.
- [SDR 2001FA0000139](https://openairdocs.org/sdr/2001FA0000139.md): Piston · cracked · Jul 9, 2001 · N2051Y · Cessna 172D · Main Landing Gear Strut/Axle/Truck
  > DURING REPAIRS TO CYCL NR 4 FOR LOW COMPRESSION FOUND 1INCH CRACK IN PISTON SKIRT STARTING AT BOTTOM OF PISTON.
- [SDR SW15200112284](https://openairdocs.org/sdr/SW15200112284.md): Bulkhead · cracked · May 17, 2001 · N54855 · Cessna 172D · Propeller Assembly
  > FORWARD PROPELLER BULKHEAD HAS BEEN CRACKING WITH MINIMAL HOURS. BOLTS HAVE BEEN PROPERLY TORQUED AND SAFETY WIND.
- [SDR CA000712031](https://openairdocs.org/sdr/CA000712031.md): Hub · corroded · Jun 23, 2000 · Cessna 172D · Propeller Synchronizer Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. (X)
- [SDR AU000849](https://openairdocs.org/sdr/AU000849.md): Exhaust Valve · seized · Apr 23, 2000 · Cessna 172D · Reciprocating Engine Cylinder Section
  > (AUS) NR 4 CYLINDER EXHAUST VALVE STUCK IN VALVE GUIDE. (X)
- [SDR CA971010008](https://openairdocs.org/sdr/CA971010008.md): Carburetor · failed · Sep 27, 1997 · Cessna 172D · Fuel Control/Reciprocating Engines
  > (CAN) DURING CRUISE THE ENGINE BEGAN TO SUFFER POWER LOSS WITHOUT WARNING. EMERGENCY LANDING WAS CARRIED OUT. POST FLIGHT INSPECTION FOUND FUEL POURING FROM THE CARBURETOR. THE CARBURETOR WAS REPLACED WITH AN OVERHAULED UNIT AND THE ENGINE WAS GROUND RUN SERVI
- [SDR 97ZZZX4817](https://openairdocs.org/sdr/97ZZZX4817.md): Wheel · broke · Aug 25, 1997 · N21089 · Cessna 172D · Control Column Section
  > PILOT CONTROL YOKE BROKE, LEFT SIDE BOTTOM, IN LANDING FULL STALL CONDITION. PLASTIC MAY HAVE AGED. AIRCRAFT IS A 1962 MODEL AND HAS BEEN PARKED OUTSIDE MOST OF THE TIME.
- [SDR 97ZZZX3476](https://openairdocs.org/sdr/97ZZZX3476.md): Support · cracked · Jul 28, 1997 · N56EC · Cessna 172D · Propeller Controlling System
  > DURING REMOVAL FOR OIL PUMP AD COMPLIANCE, FOUND TWO OF THE THREE SUPPORT FINGERS CONNECTING THE PROPELLER GOVERNOR CONTROL CABLE CRACKED AT THE THREE-FINGER JUNCTION WELD, AND THE CABLE WAS SUPPORTED BY ONE FINGER. FAILURE OF THAT FINGER WOULD CAUSE LOSS OF
- [SDR AU970350](https://openairdocs.org/sdr/AU970350.md): Hub · cracked · Apr 11, 1997 · Cessna 172D · Propeller Hub Section
  > (AUS) PROPELLER HUB CRACKED IN AREA OF NO1 BLADE BOLT HOLES - REWORK OF HUB REVEALED ONE MAIN CRACK APPROXIMATELY 15.875MM (0.625IN) LONG TOGETHER WITH THREE SUB-SURFACE CRACKS APPROXIMATELY 6.35MM (0.25IN) LONG
- [SDR 97ZZZX1365](https://openairdocs.org/sdr/97ZZZX1365.md): Bracket · loose rivets · Mar 1, 1997 · N2061Y · Cessna 172D · Rudder Structure
  > INSPECTION FOUND BOTTOM ATTACHMENT BRACKET FOR RUDDER BOLTS TO HAVE LOOSE RIVETS. SUBMITTER STATED THIS WAS THIRD ONE THIS YEAR.
- [SDR AU961212](https://openairdocs.org/sdr/AU961212.md): Switch · faulty · Aug 27, 1996 · Cessna 172D · Emergency Locator Beacon
  > (AUS) ELT `G' SWITCH FAULTY
- [SDR AU960783](https://openairdocs.org/sdr/AU960783.md): Block · corroded · May 13, 1996 · Cessna 172D · Fuselage Main, Attach Fittings
  > (AUS) CENTRE WING SPAR BEARING BLOCK CONTAINS SEVERE INTERGRANNULAR EXFOLIATION CORROSION
- [SDR 95ZZZX5998](https://openairdocs.org/sdr/95ZZZX5998.md): Cap · failed · Oct 5, 1995 · N2089Y · Cessna 172D · Nose/Tail Landing Gear Strut/Axle
  > NLG STRUT CAP THAT HOLDS STRUT HOUSING TO ENGINE MOUNT, FAILED. FOUND BOLT MISSING. SUSPECT HARD LANDING AFTER BOLT CAME LOOSE AS CONTRIBUTING FACTOR.
- [SDR 95ZZZX6439](https://openairdocs.org/sdr/95ZZZX6439.md): Spar Assy · cracked · Sep 25, 1995 · N2057Y · Cessna 172D · Horizontal Stabilizer Structure
  > FOUND 2 CRACKS AT LIGHTENING HOLE IN CENTER SECTION OF FRONT SPAR AND REINFORCEMENT SPAR OF HORIZONTAL STABILIZER. SUSPECT CAUSE - IMPROPER GROUND HANDLING. RECOMMENDATION - USE TOW BAR.
- [SDR 95ZZZX6438](https://openairdocs.org/sdr/95ZZZX6438.md): Spar Assy · cracked · Sep 25, 1995 · N2057Y · Cessna 172D · Horizontal Stabilizer, Spar/Rib
  > FOUND 2 CRACKS AT LIGHTENING HOLE IN CENTER SECTION OF FRONT SPAR AND REINFORCEMENT SPAR OF HORIZONTAL STABILIZER. SUSPECT CAUSE - IMPROPER GROUND HANDLING. RECOMMENDATION - USE TOW BAR.
- [SDR 95ZZZX6007](https://openairdocs.org/sdr/95ZZZX6007.md): Aileron · rivet faulty · Sep 18, 1995 · N500BB · Cessna 172D · Ailerons
  > DURING ANNUAL INSPECTION, FOUND 6 RIVET HEADS MISSING ON LOWER SKIN OF RIGHT AILERON WHERE BALANCE WEIGHTS ARE ATTACHED AND SKIN WAS LOOSE. FOUND ONE RIVET NEXT TO THESE WITH BLISTERED PAINT, THAT WHEN SCRAPED WITH FINGERNAIL, THE HEAD POPPED OFF. AILERON SK
- [SDR 95ZZZX6006](https://openairdocs.org/sdr/95ZZZX6006.md): Aileron · rivet faulty · Sep 18, 1995 · N500BB · Cessna 172D · Ailerons
  > DURING ANNUAL INSPECTION, FOUND 6 RIVET HEADS MISSING ON LOWER SKIN OF RIGHT AILERON WHERE BALANCE WEIGHTS ARE ATTACHED AND SKIN WAS LOOSE. FOUND ONE RIVET NEXT TO THESE WITH BLISTERED PAINT, THAT WHEN SCRAPED WITH FINGERNAIL, THE HEAD POPPED OFF. AILERON SK
- [SDR 95ZZZX5941](https://openairdocs.org/sdr/95ZZZX5941.md): Engine · failed · Sep 7, 1995 · N2519U · Cessna 172D · Engine (Reciprocating)
  > AFTER 40 MINUTES OF CRUISE FLIGHT TO 3,000 FEET MSL, THE ENGINE LOST POWER. ABOUT 80 FEET ABOVE THE GROUND, ON SHORT FINAL TO A HAY FIELD, THE CONTROL WHEEL BROKE. THE PILOT GRABBED THE CONTROL WHEEL TUBE AND STARTED TO FLARE FOR LANDING WHEN THE AIRCAFT STR
- [SDR 95ZZZX5940](https://openairdocs.org/sdr/95ZZZX5940.md): Control Wheel · broke · Sep 7, 1995 · N2519U · Cessna 172D · Control Column Section
  > AFTER 40 MINUTES OF CRUISE FLIGHT TO 3,000 FEET MSL, THE ENGINE LOST POWER. ABOUT 80 FEET ABOVE THE GROUND, ON SHORT FINAL TO A HAY FIELD, THE CONTROL WHEEL BROKE. THE PILOT GRABBED THE CONTROL WHEEL TUBE AND STARTED TO FLARE FOR LANDING WHEN THE AIRCAFT STR

## 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 = '172D'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/cessna-172d/reports

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