# Service difficulty reports: Cessna 172R

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

Newest first. General aviation reporting is voluntary.

Page 1 of 12 · 568 reports

- [SDR 2026FA0000570](https://openairdocs.org/sdr/2026FA0000570.md): Stiffener · sheared · Jul 7, 2026 · N2433S · Cessna 172R · Wing Miscellaneous Structure
  > FLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND THE BE SHEARED OFF AND/OR CRACKED
- [SDR 2026FA0000290](https://openairdocs.org/sdr/2026FA0000290.md): Button · melted · Apr 23, 2026 · N9520 · Cessna 172R · Reciprocating Engine Cylinder Section
  > UPON INSPECTION AFTER MAJOR ENGINE OVERHAUL, IT WAS DISCOVERED THAT THE ROCKER SHAFT THRUST BUTTONS HAD EITHER PARTIALLY OR COMPLETELY MELTED. A COMPLETE ENGINE TEARDOWN INSPECTION WAS THEN PERFORMED, ONLY ONE CYLINDER HAD BOTH THRUST BUTTONS COMPLETELY INTACT
- [SDR 2026FA0000390](https://openairdocs.org/sdr/2026FA0000390.md): Stiffener · sheared · Apr 14, 2026 · N2433S · Cessna 172R · Wing Miscellaneous Structure
  > FLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF AND/OR CRACKED.
- [SDR 2026FA0000173](https://openairdocs.org/sdr/2026FA0000173.md): Coil · bent · Mar 11, 2026 · Cessna 172R · Magneto/Distributor
  > UNDER NORMAL FLIGHT OPERATIONS, AT FIRST ROUTINE 500-HOUR INSPECTION FOUND COIL TAB WORN OUT OF LIMITS BECAUSE THE TAB WAS INCORRECTLY BEND AT FACTORY.
- [SDR 2025FA0000286](https://openairdocs.org/sdr/2025FA0000286.md): Impulse Coupling · broken · Apr 22, 2025 · N42007 · Cessna 172R · Magneto/Distributor
  > WHILE PERFORMING HARTZELL AVIATION ALERT S.B. NO. 225 IT WAS FOUND ON MAGNETO S/N H-Y103862 HAD A BROKEN IMPULSE CAM ASSEMBLY PIN. MAGNETO WAS INSTALLED 4/14/2025 AND REMOVED FOR INSPECTION ON 4/21/2025. HARTZELL AVIATION HAS BEEN NOTIFIED.
- [SDR 2024FA0000444](https://openairdocs.org/sdr/2024FA0000444.md): Actuator · damaged · Jun 11, 2024 · N7265Z · Cessna 172R · Stabilizer Control System
  > RETAINING PINS FROM TRIM ACTUATOR GEAR FELL OUT.
- [SDR 2023FA0000796](https://openairdocs.org/sdr/2023FA0000796.md): Magneto · mismanufactured · Nov 29, 2023 · N9886F · Cessna 172R · Magneto/Distributor
  > FOUND DEFECT DURING INSPECTION OF FACTORY OVERHAULED MAGNETO. COIL TAB WAS NOT INSTALLED PARALLEL WITH THE MAGNETO PARTING SURFACE PER SECTION 7.8C OF MANUAL L-1363J. THIS CONDITION WOULD RESULT IN PREMATURE EXCESSIVE WEAR OF COIL TAB IF NOT CORRECTED.
- [SDR 2023FA0000795](https://openairdocs.org/sdr/2023FA0000795.md): Magneto · mismanufactured · Nov 29, 2023 · N9886F · Cessna 172R · Magneto/Distributor
  > FOUND DEFECT DURING INSPECTION OF FACTORY OVERHAULED MAGNETO. COIL TAB WAS NOT INSTALLED PARALLEL WITH THE MAGNETO PARTING SURFACE PER SECTION 7.8C OF MANUAL L-1363J. THIS CONDITION WOULD RESULT IN PREMATURE EXCESSIVE WEAR OF COIL TAB IF NOT CORRECTED.
- [SDR 2023FA0000685](https://openairdocs.org/sdr/2023FA0000685.md): Magneto · mismanufactured · Oct 27, 2023 · N9453Z · Cessna 172R · Magneto/Distributor
  > OPENED MAGNETO DUE TO INABILITY TO SET TIMING TO ENGINE. FOUND CARBON ON CONTACTS. FOUND FACTORY DEFECT THAT COIL TAB WAS NOT INSTALLED PARALLEL WITH THE MAGNETO PARTING SURFACE PER SECTION 7.8C OF MANUAL L-1363J, RESULTING IN EXCESSIVE WEAR ON CARBON BRUSH
- [SDR 2023FA0000622](https://openairdocs.org/sdr/2023FA0000622.md): Cylinder · cracked · Oct 20, 2023 · N174GF · Cessna 172R · Reciprocating Engine Cylinder Section
  > PILOT REPORTED LOSS OF ENGINE POWER. BEGAN TO RUN ROUGH. MADE A PRECAUTIONARY NORMAL LANDING. MECHANIC REMOVED COWLING AND FOUND A CRACKED NR 4 CYLINDER. LB STATED NEW CYLINDERS WERE INSTALLED AT ENGINE OVERHAUL AT 1481.6 HOURS AGO. THE CYLINDER WAS REPLACED
- [SDR 2023FA0000597](https://openairdocs.org/sdr/2023FA0000597.md): Magneto · failed insp · Oct 12, 2023 · N2384U · Cessna 172R · Magneto/Distributor
  > FOUND TWO FACTORY DEFECTS WHILE PERFORMING FIRST 500-HOUR INSPECTION ON MAGNETO WITH 496.1 TT IN ACCORDANCE WITH MANUAL L-1363J. IMPULSE COUPLING RIVET WAS CROOKED AND NOT FULLY SET, SUCH THAT IMPULSE COUPLING FAILED SECTION 3.3.4 STEP B.12. ADDITIONALLY, CO
- [SDR 2023FA0000741](https://openairdocs.org/sdr/2023FA0000741.md): Exhaust Valve · binding · Aug 5, 2023 · N5355W · Cessna 172R · Reciprocating Engine Cylinder Section
  > #2 CYLINDER STUCK EXHAUST VALVE CAUSING PUSHROD TO BEND AND LOSS OF POWER.
- [SDR 2023FA0000623](https://openairdocs.org/sdr/2023FA0000623.md): Cylinder · cracked · May 12, 2023 · N1746F · Cessna 172R · Reciprocating Engine Cylinder Section
  > REMOVED COWL, FOUND NR 1 FOUND CRACKED AND SEPARATED. FAA PHOTOGRAPHED & AUTHORIZED THE CYLINDER TO BE REPLACED WITH OVERHAULED CYLINDER. NOTE: REPORTED THE NR 4 CYLINDER PREVIOUSLY.
- [SDR 2023FA0000035](https://openairdocs.org/sdr/2023FA0000035.md): Magneto · damaged · Jan 11, 2023 · N470U · Cessna 172R · Magneto/Distributor
  > RH MAGNETO IMPULSE COUPLING BROKE DAMAGING THE MAG DRIVE GEAR, CAM SHAFT GEAR, AND VARIOUS OTHER GEARS LOCATED IN THE ACCESSORY CASE. ISSUE SHOWED UP DURING GROUND RUN. PILOT REPORTED THAT THE ENGINE WOULD SHUT DOWN DURING THE MAG CHECK WHEN SELECTING THE RH M
- [SDR 2021FA0000212](https://openairdocs.org/sdr/2021FA0000212.md): Cylinder Head · cracked · Jul 19, 2021 · N51827 · Cessna 172R · Reciprocating Engine Cylinder Section
  > HAVE HAD TWO CYLINDER CRACK IN THE SAME PLACE WITH IN A TWO MONTH PERIOD. REQUESTING THAT AL FOUR CYLINDERS ARE REPLACED. ALSO HAD ONE CRACK ON A SECOND AIRCRAFT BOTH ENGINES WERE REBUILT AT THE SAME TIME JAN 2020 TWO DIFFERENT PLACES THIS ENGINE HAD NEW LYC
- [SDR 2021FA0000075](https://openairdocs.org/sdr/2021FA0000075.md): Brake Disc · cracked · Mar 4, 2021 · N673MA · Cessna 172R · Brake
  > DURING A 100-HOUR INSPECTION A CRACK WAS FOUND ON THE SURFACE OF THE BRAKE DISC.
- [SDR 2020FA0000211](https://openairdocs.org/sdr/2020FA0000211.md): Tube · damaged · Mar 2, 2020 · N9448Z · Cessna 172R · Tire Tube
  > FLAT TIRE AFTER LANDING. VISUAL INSPECTION SHOWED SMALL HOLE IN TUBE, BUT NO SIGN OF TIRE PUNTURE. BELIEVED TO BE TUBE FAILURE.
- [SDR 2020FA0000033](https://openairdocs.org/sdr/2020FA0000033.md): Fuel Control · failed · Jan 9, 2020 · N5178S · Cessna 172R · Fuel Controlling System
  > FUEL SERVO FAILURE RESULTED IN ENGINE LOSS OF POWER ON FINAL APPROACH TO LAND. AIRCRAFT WAS UNABLE TO GLIDE TO RUNWAY, LANDED IN GRASS AT APPROACH END OF RUNWAY. ENGINE WAS UNABLE TO BE RESTARTED ON GROUND AFTERWARDS. INCIDENT HAPPENED KPMP.
- [SDR 2018FA0000505](https://openairdocs.org/sdr/2018FA0000505.md): Cylinder · fouled · Dec 11, 2018 · N652MA · Cessna 172R · Reciprocating Engine Cylinder Section
  > DURING FLIGHT ENG THROTTLE RPM PULLED TO IDLE TO DESCEND WHILE RUNNING ROUGH. ENG SHUTOFF AND COULD NOT BE STARTED. EMERGENCY FIELD LANDING COMPLETED. ACFT SENT THROUGH ANNUAL INSPECTION AND CAUSE OF ROUGH RUNNING ENG FOUND. BOTH SPARK PLUGS IN NR 4 CYLIND
- [SDR 2018FA0000289](https://openairdocs.org/sdr/2018FA0000289.md): Pressure Switch · broken · Jul 18, 2018 · N2634E · Cessna 172R · Engine Oil Pressure
  > PROCEEDED TO THE FLIGHT PORTION OF A PPL CHECKRIDE ORIGINATING AT KDLZ. DEPARTED TO THE EAST AND VECTORED PILOT TO HEADINGS. AFTER NOTICING SPECKLES OF WHAT WAS LIKELY OIL ON THE WINDSHIELD, AND OBSERVING A BUILDING PRESENCE, DIVERTED FOR A CAUTIONARY LANDIN
- [SDR 2018FA0000179](https://openairdocs.org/sdr/2018FA0000179.md): Pump · failed · May 5, 2018 · N674MA · Cessna 172R · Engine Fuel Pump
  > DURING A DUAL LESSON AT 2500MSL THE AIRCRAFT EXPERIENCED A POWER INTERRUPTION. FOLLOWING THE CHECKLIST, THE ELECTRICAL FUEL PUMP WAS TURNED ON WHICH RESTORED NORMAL POWER IMMEDIATELY. THE FLIGHT RETURNED TO KLOT WITHOUT FURTHER INCIDENT. UPON INSPECTION OF THE
- [SDR 2018FA0000137](https://openairdocs.org/sdr/2018FA0000137.md): O-Ring · broken · Apr 12, 2018 · N51827 · Cessna 172R · Master Cylinder/Brake Valve
  > DURING TAXI PILOT APPLIED BOTH BRAKES. THE RIGHT PEDAL WENT THROUGH FULL TRAVEL AND THE LEFT PEDAL ACTIVATED THE BRAKE. THE AIRCRAFT SPUN QUICKLY TO THE LEFT AND WENT OFF OF THE TAXI WAY. THE MAINTAINERS DISCOVERED A BROKEN O-RING IN THE RIGHT BRAKE MASTER
- [SDR 2018FA0000227](https://openairdocs.org/sdr/2018FA0000227.md): Pushrod · worn · Sep 20, 2017 · N9563A · Cessna 172R · Reciprocating Engine Power Section
  > EXCESSIVE WEAR ON PUSHROD ON THE ROCKER END AND ON THE ROCKER.
- [SDR 2017FA0000272](https://openairdocs.org/sdr/2017FA0000272.md): Rib · cracked · Jun 1, 2017 · Cessna 172R · Trailing Edge Flaps
  > FLYING AT LOW ALTITUDE. WHEN FLAP WAS UP, A STRANGE SOUND WAS HEARD, AND FOUND THE LEFT FLAP CANNOT BE PROPERLY OPERATED. THE PLANE LANDED SAFELY AND NO ONE WAS INJURED. THE INSPECTION FOUND THAT THE FLAP TRACK WAS JAMMED, AND FOUND THAT THE ROOT OF THE INNER
- [SDR 2017FA0000377](https://openairdocs.org/sdr/2017FA0000377.md): Cylinder Head · cracked · Mar 10, 2017 · N3523R · Cessna 172R · Reciprocating Engine Cylinder Section
  > ENGINE STARTED TO RUN ROUGH IN FLIGHT, THE STUDENT BROUGHT THE PLANE BACK. START UP AND RUN UP REVEALED A DEAD CYLINDER. VISUAL INSPECTION REVEALED A CRACK GOING FROM ONE SPARK PLUG HOLE TO WITHIN AN INCH OF THE OTHER AROUND THE CIRCUMFERENCE OF THE HEAD JUS
- [SDR 2016FA0000408](https://openairdocs.org/sdr/2016FA0000408.md): Cylinder Head · separated · Sep 1, 2016 · N716MW · Cessna 172R · Reciprocating Engine Cylinder Section
  > AIRCRAFT WAS IN THE PATTERN. LOUD BANG FOLLOWED BY SEVERE VIBRATION AND REDUCED POWER. EMERGENCY DECLARED SUCCESSFUL LANDING ACCOMPLISHED. INSPECTED FOUND THAT THE NR 1 CYLINDER TOP HAD SEPARATED AT THE TOP OF THE STEEL SLEEVE. TROUBLESHOOTING AND REPAIR
- [SDR T22R R/O9856](https://openairdocs.org/sdr/T22R%20R%2FO9856.md): Crankshaft · broken · Aug 29, 2016 · N365ES · Cessna 172R · Reciprocating Engine Power Section
  > CRANKSHAFT BROKE AT THE NR 4 CONNECTING ROD JOURNAL, SEPARATION OCCURRED AT THE NR 5 CHEEK COUNTING FROM THE FRONT OF CRANKSHAFT.
- [SDR Y2GR2016FA0000356](https://openairdocs.org/sdr/Y2GR2016FA0000356.md): Cylinder · cracked · Aug 4, 2016 · N2462T · Cessna 172R · Reciprocating Engine Cylinder Section
  > PN: 05K21104, CYLINDER CRACKED AROUND EXHAUST PORT. THIS IS THE 5TH CYLINDER WE ARE AWARE OF WITH THIS TYPE OF CRACK.
- [SDR DU0S2016FA0000129](https://openairdocs.org/sdr/DU0S2016FA0000129.md): Servo · contaminated · Mar 11, 2016 · N3506G · Cessna 172R · Fuel Controlling System
  > DURING O/H AND INSTALLED A FUEL INJECTOR. AT 62 TSOH DYE CONTAMINATION FOUND IN IMPACT TUBES. TO DETERMINE IF FUEL WAS LEAKING PAST THE FLOW DIVIDER, THE INJECTOR WAS FLUSHED OF DYE BY REMOVING THE AIR PLUGS. INJECTOR INSTALLED ON ACFT, FUEL INLET HOSE ATTA
- [SDR ECPS2016FA0000125](https://openairdocs.org/sdr/ECPS2016FA0000125.md): Servo · contaminated · Mar 10, 2016 · N53143 · Cessna 172R · Fuel Injector Nozzle
  > PRECISION FUEL INJECTOR, PN 2576536-2, SN 70D95404 REMOVED 2/9/16, TSOH 55. UNIT REMOVED DUE TO FUEL DYE CONTAMINATION IN IMPACT TUBES AND AIR SLOT. UNIT PREVIOUSLY REPAIRED 10/19/11, REMOVED 9/15/15 DUE TO FUEL DYE CONTAMINATION IN IMPACT TUBES AND AIR SLOT
- [SDR 2016FA0000124](https://openairdocs.org/sdr/2016FA0000124.md): Servo · contaminated · Mar 10, 2016 · N24748 · Cessna 172R · Fuel Controlling System
  > PRECISION FUEL INJECTOR REMOVED DUE TO FUEL DYE CONTAMINATION IN IMPACT TUBES AND AIR SLOT. UNIT WAS INSTALLED ON 10/5/15. UNIT WAS PREVIOUSLY O/H 9/10/15. UNIT REMOVED AT TACH 3602 DUE TO FUEL DYE CONTAMINATION IN IMPACT TUBES AND AIR SLOT TSOH 8. UNIT PRE
- [SDR 2016FA0000035](https://openairdocs.org/sdr/2016FA0000035.md): Battery · no test · Dec 11, 2015 · N36LU · Cessna 172R · Battery/Charger System
  > THIS BATTERY FAILED CAPACITY CHECK, WHICH WAS PERFORMED AS DIRECTED BY MANUAL Q01-1120, REV J 7-8-15, PAR 7-7.
- [SDR 2016FA0000122](https://openairdocs.org/sdr/2016FA0000122.md): Injector · contaminated · Dec 7, 2015 · N5314R · Cessna 172R · Fuel Injector Nozzle
  > PRECISION FUEL INJECTOR COMPLIED WITH, MIXTURE AND IDLE, OK, REPORTED ENGINE STUMBLE, TEST FLIGHT OK. REPORTED ENGINE STUMBLE, TEST FLIGHT OK TSOH 29.6. ENGINE STUMBLE REPORTED, DYE FOUND IN IMPACT TUBES AND AIR SLOT. FUEL INJECTOR REMOVED AND SENT FOR REP
- [SDR CA151207002](https://openairdocs.org/sdr/CA151207002.md): Stop Fitting · missing · Dec 4, 2015 · Cessna 172R · Elevator Tab Control System
  > (CAN) ELEVATOR TRIM SYSTEM FOUND TO BE MISSING 1 STOP BLOCK.
- [SDR CA151203010](https://openairdocs.org/sdr/CA151203010.md): Stop Fitting · missing · Dec 1, 2015 · Cessna 172R · Elevator Tab Control System
  > (CAN) ELEVATOR TRIM SYS FOUND TO BE MISSING ONE STOP BLOCK.
- [SDR CA151130023](https://openairdocs.org/sdr/CA151130023.md): Stop · missing · Nov 26, 2015 · Cessna 172R · Elevator Tab Control System
  > (CAN) ELEVATOR TRIM SYS FOUND TO BE MISSING 1 STOP BLOCK.
- [SDR CA151116012](https://openairdocs.org/sdr/CA151116012.md): Stop · missing · Nov 12, 2015 · Cessna 172R · Elevator Tab Control System
  > (CAN) ELEVATOR TRIM SYS FOUND TO BE MISSING 1 STOP BLOCK.
- [SDR GM8S2015100800481](https://openairdocs.org/sdr/GM8S2015100800481.md): Tire · failed · Oct 8, 2015 · N33LU · Cessna 172R · Tire Tube
  > THE LT MAIN TIRE WAS FLAT UPON LANDING THE ACFT. THE CAUSE OF THE FLAT IS THE ALARMING ISSUE. THERE WAS A STICKER INSIDE THE TIRE, FROM NEW, THAT EVENTUALLY DEGRADED AND RUBBED INTO THE TUBE MAKING A HOLE. THIS HOLE CAUSED AIR TO LEAK AND THE TIRE TO GO FLA
- [SDR BG8S2015FA0000192](https://openairdocs.org/sdr/BG8S2015FA0000192.md): Magneto · out of alignment · May 5, 2015 · N175AF · Cessna 172R · Magneto/Distributor
  > REPLACED RT MAGNETO WITH O/H UNIT FROM O/H SHOP, MODEL 4371, SN 15011241. TIMED MAGNETO TO ENGINE PERFORMED GROUND RUN OPS CHECK GOOD ON GROUND, RELEASED AIRPLANE FOR SERVICE. DURING THE FIRST FLIGHT THE ENGINE RAN ROUGH ON CLIMB, PILOT RETURNED TO AIRPORT. R
- [SDR CA150501007](https://openairdocs.org/sdr/CA150501007.md): Screen · contaminated · Apr 21, 2015 · Cessna 172R · Fuel Control/Reciprocating Engines
  > (CAN) FUEL SERVO INLET SCREEN FOUND TO HAVE LINT TYPE DEBRIS INSIDE.
- [SDR CA150501006](https://openairdocs.org/sdr/CA150501006.md): Screen · contaminated · Apr 14, 2015 · Cessna 172R · Fuel Control/Reciprocating Engines
  > (CAN) FUEL SERVO INLET SCREEN FOUND TO HAVE LINT TYPE DEBRIS INSIDE.
- [SDR CA150128003](https://openairdocs.org/sdr/CA150128003.md): Wire · failed · Jan 16, 2015 · Cessna 172R · Electrical Power System Wiring
  > (CAN) TAIL NAV LIGHT WIRE SHORTED AGAINST ELEVATOR CABLE CAUSING BURN DAMAGE TO CABLE. THE NAV LIGHT WIRING CONSISTS OF A 5 AMP CIRCUIT-BREAKER-SWITCH WITH THREE BRANCHES OF 22 GAUGE WIRE FOR THE WING TIP AND TAIL NAV LIGHTS. THE TAIL LIGHT WIRE RUNS AFT UNDE
- [SDR CA141113004](https://openairdocs.org/sdr/CA141113004.md): Control Cable · frayed · Oct 27, 2014 · Cessna 172R · Elevator Control System
  > (CAN) CABLE STARTING TO FRAY AT PULLEY.
- [SDR CA141113003](https://openairdocs.org/sdr/CA141113003.md): Control Cable · frayed · Oct 27, 2014 · Cessna 172R · Rudder Control System
  > (CAN) CABLE STARTING TO FRAY AT REAR PULLEY.
- [SDR CA141113002](https://openairdocs.org/sdr/CA141113002.md): Bellcrank · worn · Oct 27, 2014 · Cessna 172R · Elevator Structure
  > (CAN) BEARING HOUSING LOOSE IN BELLCRANK.
- [SDR DF2S2014FA0000645](https://openairdocs.org/sdr/DF2S2014FA0000645.md): Line · separated · Oct 17, 2014 · N9543P · Cessna 172R · Fuel Controlling System
  > DURING TRAINING FLIGHT, ENGINE STARTED EXPERIENCING PROBLEM. ACFT MADE A SAFE LANDING AND TAXIED TO RAMP. UPON INITIAL INSPECTION, IT WAS NOTICED THAT THE NR 2 CYLINDER FUEL INJECTION LINE HAD BECOME SEPARATED FROM WELD AT B-NUT ON FUEL NOZZLE. LINE WAS RE
- [SDR KC2R2014FA0000392](https://openairdocs.org/sdr/KC2R2014FA0000392.md): Impulse Coupling · cracked · Jun 6, 2014 · N7861A · Cessna 172R · Magneto/Distributor
  > DURING PERFORMANCE OF A ROUTINE 500 HR INSPECTION OF MAGNETO, A CRACK WAS DISCOVERED IN IMPULSE COUPLING BASE PLATE, IN LINE WITH FLYWEIGHT AXLE. CRACK DISCOVERED DURING NDT "MAG PARTICLE INSPECTION" OF PART. IMPULSE WES REPLACED WITH NEW PART.
- [SDR KC2R2014FA0000391](https://openairdocs.org/sdr/KC2R2014FA0000391.md): Impulse Coupling · cracked · Jun 6, 2014 · N7861A · Cessna 172R · Magneto/Distributor
  > DURING PERFORMANCE OF A ROUTINE 500 HR INSPECTION OF MAGNETO, A CRACK WAS DISCOVERED IN IMPULSE COUPLING BASE PLATE, IN LINE WITH FLYWEIGHT AXLE. CRACK DISCOVERED DURING NDT "MAG PARTICLE INSPECTION" OF PART. IMPULSE WES REPLACED WITH NEW PART.
- [SDR CA140317010](https://openairdocs.org/sdr/CA140317010.md): Magneto · failed · Mar 12, 2014 · Cessna 172R · Magneto/Distributor
  > (CAN) WHILE TESTING THE LT MAGNETO DURING PRE-FLIGHT GROUND RUN, IT WAS NOTED THAT THE ENGINE RAN EXTREMELY ROUGH. THE LT MAGNETO WAS REMOVED AND LOOSE PARTS WERE FOUND INSIDE. MAGNETO REPLACED.
- [SDR CA140221001](https://openairdocs.org/sdr/CA140221001.md): Alternator · malfunctioned · Feb 20, 2014 · Cessna 172R · AC Generator-Alternator
  > (CAN) ALTERNATOR LOW OUTPUT CAUSING LOW VOLTAGE WARNING LIGHT TO ILLUMINATE INTERMITTENTLY. ALTERNATOR REPLACED.

Next page: https://openairdocs.org/model/cessna-172r/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 = '172R'
ORDER BY difficulty_date DESC
```

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

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