# Service difficulty reports: Cessna 172B A list on [Cessna 172B](https://openairdocs.org/model/cessna-172b.md). Newest first. General aviation reporting is voluntary. - [SDR 2015FA0000106](https://openairdocs.org/sdr/2015FA0000106.md): Rib · crushed · Mar 24, 2015 · N6914X · Cessna 172B · Horizontal Stabilizer, Spar/Rib > SKIN CRACKED UNDER RT HORIZONTAL STABILIZER. FURTHER INVESTIGATION REVEALED THAT THE INNER NOSE RIB WAS CRUSHED, BROKEN AND CRACKED. THE INNER NOSE RIB ON THE LT SIDE WAS DEFORMED BUT NOT ACTUALLY BROKEN. THE APPEARANCE OF BOTH RT & LT NOSE RIBS WAS CONSISTENT - [SDR 2005FA0001365](https://openairdocs.org/sdr/2005FA0001365.md): Yoke · broken · Sep 27, 2005 · N6950X · Cessna 172B · Control Column Section > UPON THE FLAIR ON LANDING AT NORMAL WEIGHTS THE CONTROL YOLK BROKE AT THE OUTSIDE LT RADIUS. THIS CAUSED THE NOSE WHEEL OF THE AC TO DROP AT A GREATER SPEED THAN NORMAL AND SHIMMY WAS EXPERIENCED THE MAIN GEAR HAD JUST TOUCHED DOWN WHEN THE FAILURE OCCURRED. - [SDR CA050624002](https://openairdocs.org/sdr/CA050624002.md): Wheel · failed · Jun 11, 2005 · Cessna 172B · Wheel/Ski/Float > AS AIRCRAFT TAXIED FROM TIE-DOWN, NOSE WHEEL FAILED ABRUPTLY, APPROXIMATELY 15 FEET FROM TIE-DOWN, TUBE, TIRE AND NOSE WHEEL REMAINED IN YOKE, WITH NO DAMAGE TO TIRE OR YOKE. - [SDR 2003FA0000371](https://openairdocs.org/sdr/2003FA0000371.md): Bolt · misinstalled · Mar 26, 2003 · N6934X · Cessna 172B · Fasteners > DURING ANNUAL INSPECTION, THE RT DIRECT AILERON CABLE (PN 0510105-72) WAS FOUND TO BE CHAFFING ON THE RT WING AFT ATTACH BOLT THREADS AND NUT. FURTHER INVESTIGATION REVEALED THAT BOTH THE LEFT AND RT AFT WING ATTACH BOLTS WERE INSTALLED BACKWARDS WITH THE THR - [SDR CA020530009](https://openairdocs.org/sdr/CA020530009.md): Piston · broken · May 9, 2002 · Cessna 172B · Reciprocating Engine Power Section > (CAN) ENGINE RAN WELL NO VISIBLE PROBLEM. PIECE OF PISTON SKIRT BROKEN LOOSE HELD IN BY OIL RING AND CYLINDER CURVE ONLY. - [SDR CA020102003](https://openairdocs.org/sdr/CA020102003.md): Spar · cracked · Nov 20, 2001 · Cessna 172B · Horizontal Stabilizer Structure > (CAN) AT ANNUAL INSPECTION THE CENTRE SECTION OF THE STABILIZER SPAR WAS FOUND TO BE BUCKLED AND CRACKED AT THE CENTRE LIGHTENING HOLE, WHERE THE TRIM CABLES RUN THROUGH. THERE WERE TWO CRACKS ABOUT 2 IN. LONG, RUNNING FROM THE BOTTOM RIGHT AND TOP LEFT SIDES - [SDR AU010180](https://openairdocs.org/sdr/AU010180.md): Crankcase · cracked · Feb 20, 2001 · Cessna 172B · Reciprocating Engine Power Section > (AUS) ENGINE IN AN EXTREMELY POOR CONDITION. DEFECTS INCLUDE CRACKED CRANKCASE, WORN CRANKSHAFT, WORN GEARS, WORN CYLINDERS AND VALVES. - [SDR 20001207SH012](https://openairdocs.org/sdr/20001207SH012.md): Hose · broken · Nov 27, 2000 · N7752X · Cessna 172B · Engine Oil Distribution (Airframe Furnished) > DURING ANNUAL INSPECTION, OIL PRESSURE HOSE WAS FOUND WET WITH OIL. AFTER REMOVING HOSE, HOSE CRACKED AND BROKE WHEN TWISTED. FUEL HOSE WAS CHECKED AND WAS IN THE NEAR SAME CONDITION. NO LOG ENTRY FOUND AS TO WHEN AND IF THESE HOSES HAD BEEN REPLACED. (X) - [SDR 20001207SH011](https://openairdocs.org/sdr/20001207SH011.md): Elt · failed · Nov 27, 2000 · N7752X · Cessna 172B · Emergency Locator Beacon > DURING ANNUAL INSPECTION, ELT WAS FOUND NOT TO MEET FAR 91.207(D). IT FAILED G-TEST AND WAS MOUNTED IMPROPERLY IN AIRCRAFT. IT WAS MOUNTED WITH VELCRO AND A DETERIORATED STRAP. (X) - [SDR 20001207SH010](https://openairdocs.org/sdr/20001207SH010.md): Selector Valve · inoperative · Nov 27, 2000 · N7752X · Cessna 172B · Fuel Selector/Shut-Off Valve > DURING ANNUAL INSPECTION, NOTED THE FUEL SELECTOR VALVE WOULD NOT SHUT OFF FUEL. THIS COULD BE A HAZARD IF AN IN-FLIGHT FIRE OCCURRED. (X) - [SDR AU990344](https://openairdocs.org/sdr/AU990344.md): Washer · missing · Mar 3, 1999 · Cessna 172B · Flight Compartment Equipment > (AUS) SEAT BELT FLOOR ATTACHMENT FITTINGS HAD THE WASHERS UNDER THE FORWARD NUTS MISSING. - [SDR 98ZZZX4063](https://openairdocs.org/sdr/98ZZZX4063.md): Rivets · corroded · Oct 8, 1998 · N7570X · Cessna 172B · Ailerons > DURING INSPECTION, AILERON BALANCE WEIGHTS WERE OBSERVED TO HAVE SEVERAL RIVET HEADS POPPED. FURTHER RIVETS COULD BE POPPED BY HAND (HEADS POPPING OFF). THE RIVET CORROSION WAS NOT VISIBLE FROM UNDER/AROUND HEADS. - [SDR AU980585](https://openairdocs.org/sdr/AU980585.md): Venturi · loose · May 25, 1998 · Cessna 172B · Fuel Control/Reciprocating Engines > (AUS) CARBURETOR VENTURI LOOSE. - [SDR 97ZZZX2660](https://openairdocs.org/sdr/97ZZZX2660.md): Cylinder · cracked · May 5, 1997 · N8220X · Cessna 172B · Reciprocating Engine Cylinder Section > DURING AN INSPECTION, CYLINDER WAS FOUND WITH LOW COMPRESSION/EXHAUST VALVE LEAKAGE. CYLINDER WAS REMOVED FOR REPAIR AND SENT TO ENGINE SHOP. AFTER CLEANING, NOTED THE HEAD WAS CRACKED FROM THE ROCKER COVER FLANGE THROUGH THE EXHAUST PORT AND ACROSS TO THE U - [SDR 97ZZZX2665](https://openairdocs.org/sdr/97ZZZX2665.md): Angle Cap · corroded · Apr 29, 1997 · N6978X · Cessna 172B · Fuselage Main, Frame > DURING HIDDEN DAMAGE INSPECTION OF WINGS AFTER HAIL AND WIND DAMAGE, THE FORWARD LT WING SPAR CAP WAS FOUND TO HAVE EXTENSIVE INTERGRANULAR CORROSION. SUBMITTER STATED THIS IS A COMMON PROBLEM ON CESSNAS THAT DID NOT HAVE WING PARTS PRIMED AT THE FACTORY. - [SDR 97ZZZX2664](https://openairdocs.org/sdr/97ZZZX2664.md): Spar · corroded · Apr 29, 1997 · N6978X · Cessna 172B · Wing Spar > DURING HIDDEN DAMAGE INSPECTION OF WINGS AFTER HAIL AND WIND DAMAGE, FORWARD LEFT WING SPAR, EXTRUDED STIFFENER WAS FOUND TO HAVE SEVERAL SPOTS OF INTERGRANULAR CORROSION. SUBMITTER STATED THIS IS A COMMON PROBLEM ON CESSNAS THAT DID NOT HAVE ANY WING PARTS P - [SDR AU961158](https://openairdocs.org/sdr/AU961158.md): Seat Belt · wrong part · Aug 8, 1996 · Cessna 172B · Flight Compartment Equipment > (AUS) SEAT BELT WEBBING AND HARDWARE WAS OF AUTOMOTIVE ORIGIN - UNAPPROVED PART - PERSONNEL/MAINTENANCE ERROR - [SDR 95ZZZX4397](https://openairdocs.org/sdr/95ZZZX4397.md): Rib · corroded · Jul 8, 1995 · N6921X · Cessna 172B · Trailing Edge Flaps > FLAP TRACK PART DID NOT FAIL, HOWEVER, SEVERE CORROSION WAS FOUND DURING AN ANNUAL INSPECTION AT A POTENTIALLY WEAK AREA ON THE PART. CORROSION FOUND WAS INTERGRANULAR AND WAS ON BOTH SIDES OF THE PART IN AFFECTED AREA. SUBMITTER SUGGESTS A CLOSE INSPECTION ## 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 = '172B' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/cessna-172b/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.