# Service difficulty reports: Cessna 177 A list on [Cessna 177](https://openairdocs.org/model/cessna-177.md). Newest first. General aviation reporting is voluntary. - [SDR 2018FA0000169](https://openairdocs.org/sdr/2018FA0000169.md): Oil Cooler · leaking · May 30, 2018 · N9058F · Cessna 177 · Engine Oil Cooler > SOMETIME AFTER ENGINE START NEW OIL COOLER WITH ONLY 8 HOURS OF USE DEVELOPED LEAK THAT RESULTED IN ENGINE STOPPAGE APPROXIMATELY 2 MINUTES INTO FLIGHT. THE RESULT WAS AN EMERGENCY DESCENT AND OFF AIRPORT LANDING. ACCORDING TO MECHANICS BECAUSE OIL COOLER IS - [SDR 2016FA0000176](https://openairdocs.org/sdr/2016FA0000176.md): Bellcrank · worn · Apr 13, 2016 · N3164T · Cessna 177 · Aileron Control System > THE RT AND LT WING AILERON BELCRANK CLEVIS BOLTS, 2, AN23-9, AND, 2, AN23-10 WERE FOUND TO BE WORN, NOT EXCESSIVE OR UNSAFE, BUT DEFINITELY WORTH REPLACING. 1 OF THE ORIGINAL BOLTS APPEARED TO HAVE A MFG DEFECT. THESE ARE THE CLEVIS BOLTS THAT ATTACH THE AIL - [SDR 2012FA0000080](https://openairdocs.org/sdr/2012FA0000080.md): Control Cable · broken · Jan 27, 2012 · N2252Y · Cessna 177 · Trailing Edge Flap Control System > FLAPS, 10 SELECTED AND FLAPS WENT TO FULL DOWN. FOUND CONTROL WIRE BROKEN. - [SDR CA050824013](https://openairdocs.org/sdr/CA050824013.md): Connector · cracked · Aug 9, 2005 · Cessna 177 · Turbine Engine Oil System > (CAN) OIL LEAK DISCOVERED. UPON LANDING, THE PILOT NOTICED THAT THERE WAS OIL IN THE WHEEL PAN. THE PILOT CARRIED OUT ONE MORE FLIGHT AND THE LEAK WAS REPAIRED AT A FACILITY. VERIFICATION REVEALED THAT THE CONNECTOR ASSEMBLY TO THE HSG COOLER INLET HOSE WAS - [SDR 2005FA0000986](https://openairdocs.org/sdr/2005FA0000986.md): Carburetor · malfunctioned · Jun 28, 2005 · N29530 · Cessna 177 · Fuel Control/Reciprocating Engines > CUSTOMER REPORTS THAT ENGINE QUIT ON FINAL. ON THE GROUND PILOT WITNESSED GAS POURING OUT FROM BOTTOM OF COWL. (K) - [SDR 041403A](https://openairdocs.org/sdr/041403A.md): Gear · broken · Oct 5, 2004 · N117MM · Cessna 177 · Magneto/Distributor > LOST POWER ON TAKEOFF. VERIFIED PROBLEM OF LT MAGNETO INOPERATIVE. INSPECTED AND FOUND MAGNETO DISTRIBUTOR GEAR MISSING SEVERAL TEETH. GEAR WAS LOOSE ON SHAFT WHICH PROBABLY CONTRIBUTED TO BREAKAGE. SUSPECT CAUSE WAS LACK OF PROPER MAINTENANCE OVER LIFE OF MA - [SDR 041403](https://openairdocs.org/sdr/041403.md): Air Filter · wrong part · Oct 5, 2004 · N117MM · Cessna 177 · Engine Air Intake System > DURING TROUBLESHOOTING FOR EXCESSIVE MAGNETO DROP, FOUND FACE OF AIR FILTER ELEMENT DETERIORATED. THE INSTALLATION IS FOR A BRACKETT FILTER. REMOVED ELEMENT AND FOUND THAT ELEMENT WAS AN UNAPPROVED PART. THE (FILTER) WAS HAND CUT FROM A PIECE OF GREEN FOAM.62 - [SDR 2004FA0000724](https://openairdocs.org/sdr/2004FA0000724.md): Bearing · dislodged · Aug 30, 2004 · N3202T · Cessna 177 · Aileron Control System > IN FLIGHT, NOTICED THAT LOSS OF AILERON CONTROL INPUT HAD OCCURRED, AND UPON ADDED FORCE TO CONTROL YOKE, DETERMINED THAT TOTAL SEIZURE OF THE AILERONS HAD OCCURRED. LANDED WITH RUDDER CONTROL ONLY. REMOVED TUBE ASSY FROM FIREWALL AND FOUND SHAFT AND BEARING - [SDR MYNR748K](https://openairdocs.org/sdr/MYNR748K.md): Control Tube · worn · Jan 14, 2004 · N3231T · Cessna 177 · Aileron Control System > AILERON CONTROL SHAFT, WHERE IT MOUNTS TO FIREWALL BEARING WAS RUSTED AND GROVED BEYOND LIMITS, REPLACED LT AND RT SHAFTS AND BEARINGS. BEARING PN 0760633-1 END. - [SDR CA030918002](https://openairdocs.org/sdr/CA030918002.md): Bearing · brinelled · Aug 28, 2003 · Cessna 177 · Aileron Control System > (CAN) SNAPPING NOISE HEARD WHEN AILERON MOVED. BEARING AREAS ON CONTROL TUBES FRONT OF FIREWALL FOUND SEVERELY BRINELLED. - [SDR 2003FA0000607](https://openairdocs.org/sdr/2003FA0000607.md): Arm · inoperative · Apr 21, 2003 · N2895X · Cessna 177 · Empennage Structure > WITH GUST LOCK INSTALLED BALANCE ARM LOCKED ON DOWN STOP WHILE A/C WAS TIED DOWN IN GUSTY WIND CONDITIONS. - [SDR 2002FA0001214](https://openairdocs.org/sdr/2002FA0001214.md): Hub · corroded · Oct 10, 2002 · Cessna 177 · Propeller Hub Section > RETIRED HUB DUE TO SURFACE CORROSION ON EXTERIOR, HUB NOT PAINTED. - [SDR 20010517CW009](https://openairdocs.org/sdr/20010517CW009.md): Alternator · seized · Apr 27, 2001 · N412WS · Cessna 177 · Alternator-Generator Drive > ALTERNATOR OVERHAULED, INSTALLED ON AC. FRONT BEARING BALL CAGE BROKE APART AND ALLOWED BALLS TO COLLECT ON ONE SIDE OF BEARING, LOCKING THE ALTERNATOR SHAFT. FAILURE OCCURRED ON 2/10/2001 AFTER 126 HOURS TSOH. - [SDR EY2R56619](https://openairdocs.org/sdr/EY2R56619.md): Hub · corroded · May 25, 2000 · Cessna 177 · Propeller Hub Section > EXTERIOR SURFACE OF HUB CORRODED BEYOND LIMITS. - [SDR 20000426SH004](https://openairdocs.org/sdr/20000426SH004.md): Pump · failed · Mar 8, 2000 · N2954X · Cessna 177 · Aircraft Fuel Distribution System > NEW FUEL PUMP DOES NOT ATTAIN RATED FUEL PRESSURE/FUEL FLOW. THE HIGHEST PRESSURE ATTAINED WAS LESS THAN 2 PSIG AT IDLE AND DROPPED TO NEAR ZERO AS RPM INCREASED. AFTER EXTENSIVE TROUBLESHOOTING OF AIRCRAFT FUEL SYSTEMS, CAME TO THE CONCLUSION THE PUMP MUST B - [SDR 99ZZZX2034](https://openairdocs.org/sdr/99ZZZX2034.md): Nut · loose · Apr 24, 1999 · N3270T · Cessna 177 · Fuel Storage > SELF-LOCKING NUT ON FUEL CAP LOCKING MECHANISM COULD BE TURNED BY HAND. THE LOOSENING OF THE NUT ALLOWED THE LOCKING MECHANISM TO DISENGAGE FROM SHAFT. THIS ALLOWED THE FUEL CAP TO COME OUT OF TANK OPENING AND ALLOWED FUEL TO BE SIPHONED OUT OF THE TANK. TH - [SDR 98ZZZX4776](https://openairdocs.org/sdr/98ZZZX4776.md): Bearing · failed · Nov 16, 1998 · N3230T · Cessna 177 · Magneto/Distributor > PILOT REPORTED NORMAL MAG CHECK PRIOR TO 10-MINUTE FLIGHT. AFTER LANDING NOTICED OIL DRIPPING FROM COWL. FOUND LT MAGNETO WITH LOWER MOUNTING EAR BROKEN OFF AND MAG PULLED AWAY FROM ACCESSORY CASE. THE MAGNETO CASE WAS GAPPED OPEN AND ONLY 2 SCREWS REMAINED - [SDR 97ZZZX4497](https://openairdocs.org/sdr/97ZZZX4497.md): Spark Plug · broken · Oct 8, 1997 · N3420T · Cessna 177 · Spark Plug/Igniter > ENGINE RPM DROPPED TO APPROXIMATELY 2,000 RPM ON CLIMB-OUT. GROUND RUN-UP WAS NORMAL BEFORE AND AFTER FLIGHT AND DURING FIRST 200 FEET OF CLIMB OUT. INSPECTION OF INDUCTION, FUEL AND IGNITION SYSTEMS, REVEALED TWO AUBURN SR-87 AC PLUGS WITH BROKEN INSULATORS - [SDR 97ZZZX3710](https://openairdocs.org/sdr/97ZZZX3710.md): Control Cable · misconnected · Jul 28, 1997 · N29531 · Cessna 177 · Propeller Controlling System > WHILE RELOCATING THIS AIRCRAFT FOLLOWING AN ANNUAL INSPECTION, THE AIRCRAFT WAS TAXIED TO THE RUN-UP AREA FOR A RUN-UP. PILOT NOTICED PROPELLER CONTROL WAS VERY SENSITIVE AND COULD ONLY GET 1,900 RPM MAX FROM THE ENGINE. AFTER SHUTTING DOWN AND REMOVING ENGI - [SDR CA970421085](https://openairdocs.org/sdr/CA970421085.md): Blade · damaged · Apr 11, 1997 · Cessna 177 · Propeller Blade Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. MANY GOUGES AND DENTS WERE FOUND. PROPELLER WAS LAST IN THE SHOP IN 1968. THE PROPELLER WAS OVERHAULED. - [SDR 97ZZZX1240](https://openairdocs.org/sdr/97ZZZX1240.md): Valve · leaking · Feb 14, 1997 · N29530 · Cessna 177 · Fuel Selector/Shut-Off Valve > DURING ANNUAL INSPECTION IT WAS DETECTED THAT WHEN TESTING OR OPS CHECKING, THE FUEL SELECTOR VALVE TO DETERMINE DETENT OPERATION, MOVEMENT OF THE VALVE CAUSED FUEL TO LEAK OUT THE TOP OF VALVE AROUND THE SHAFT. THIS HAD BEEN IN PROCESS FOR SOME TIME BECAUSE - [SDR 96ZZZX5592](https://openairdocs.org/sdr/96ZZZX5592.md): Hose · leak · Oct 25, 1996 · N19974 · Cessna 177 · Engine Fuel Distribution > NOTICED FUEL STAIN ON STEEL BRAID HOSE. REMOVED AND TESTED. FOUND SEEP HOLE. NOTIFIED SUPPLIER AND SENT FOR FACTORY INSPECTION. (SEEP WAS DETECTABLE WITH SHOP AIR AND SOAPY WATER.) - [SDR EY2R9600881](https://openairdocs.org/sdr/EY2R9600881.md): Hub · corroded · Jul 1, 1996 · Cessna 177 · Propeller Hub Section > HUB FOUND CORRODED. - [SDR EY2R9600783](https://openairdocs.org/sdr/EY2R9600783.md): Hub · corroded · Jun 1, 1996 · Cessna 177 · Propeller Hub Section > CORROSION FOUND ON HUB. - [SDR EY2R9601466](https://openairdocs.org/sdr/EY2R9601466.md): Hub · damaged · Mar 1, 1996 · Cessna 177 · Propeller Hub Section > HUB GREASE FITTING HOLE DAMAGED - [SDR 96ZZZX779](https://openairdocs.org/sdr/96ZZZX779.md): Float Bracket · broken · Jan 23, 1996 · N34102 · Cessna 177 · Fuel Control/Reciprocating Engines > ENGINE LOST POWER IN CRUISE FLIGHT. AFTER SAFE LANDING AT NEARBY AIRPORT, REMOVED CARBURETOR AND DISASSEMBLED. FOUND FLOAT BRACKET BROKEN IN BEND RADIUS ALLOWING EXCESS FUEL TO ENTER CARBURETOR WHEN FLOAT VALVE COULD NOT SEAT. BEND RADIUS OF FLOAT BRACKET - [SDR 95ZZZX4516](https://openairdocs.org/sdr/95ZZZX4516.md): Hinge · cracked · Aug 23, 1995 · N29406 · Cessna 177 · Ailerons > DURING A 100-HOUR INSPECTION, BOTH CENTER AILERON HINGES WERE FOUND BENT AND THE LEFT HINGE WAS CRACKED APPROXIMATELY 3 INCHES FORWARD OF HINGE BEARING. THERE IS NO OTHER APPARENT DAMAGE TO AILERON, WING, OR INBOARD AND OUTBOARD HINGES (WHICH SEEMS IMPOSSIBLE - [SDR 95ZZZX3860](https://openairdocs.org/sdr/95ZZZX3860.md): Rocker Shaft · cracked · Jul 17, 1995 · N2942X · Cessna 177 · Reciprocating Engine Cylinder Section > DURING THE CHANGING OF THE PUSHROD HOUSING TUBE SEALS WHICH INVOLVES REMOVING THE ROCKER BOXES, FOUND THE VALVE ROCKER SHAFT ON THE EXHAUST SIDE OF CYLINDER NR 3 CRACKED ABOUT ONE-HALF THE WAY AROUND AND.25 INCH FROM THE END. - [SDR 95ZZZX3514](https://openairdocs.org/sdr/95ZZZX3514.md): Control Cable · cracked · Jul 13, 1995 · N2942X · Cessna 177 · Power Lever > DURING A SCHEDULED INSPECTION, FOUND THROTTLE CABLE BENT AND CRACKED AT THE BEND LOCATED AT THE THREADED END WHERE THE ROD END ATTACHES TO THE CABLE. IT APPEARED WHEN THE THROTTLE HIT ITS STOP, THE THROTTLE CABLE CONTINUED TO BE PUSHED. THE CABLE HAD TO BE R - [SDR 95ZZZX3665](https://openairdocs.org/sdr/95ZZZX3665.md): Control Bolt · detached · Jun 26, 1995 · N3420T · Cessna 177 · Fuel Control/Reciprocating Engines > AT ABOUT 700 FEET ALTITUDE AFTER DEPARTURE, ENGINE WENT TO IDLE. AFTER A SUCCESSFUL OFF AIRPORT LANDING WAS MADE, BOLT AND HARDWARE CONNECTING THROTTLE CONTROL TO CARBURETOR WERE FOUND MISSING. INSTALLED NEW BOLT, NUT, SPACER, AND WASHERS. AIRCRAFT TOWED TO - [SDR 95ZZZX1900](https://openairdocs.org/sdr/95ZZZX1900.md): Coil · cracked · Apr 5, 1995 · N29406 · Cessna 177 · Magneto/Distributor > THE MAGNETO COIL CRACKED ITS OUTER CASING. THERE DID NOT SEEM TO BE ANY EVIDENCE OF ABUSE, BUT THE LEFT MAGNETO ON THE SAME ENGINE FAILED BY CRACKING ALSO, AND, IT ONLY HAD 180 HOURS TIME IN SERVICE, AN ADDITIONAL MALFUNCTION AND DEFECT REPORT WILL BE FILED F - [SDR 95ZZZX1899](https://openairdocs.org/sdr/95ZZZX1899.md): Coil · cracked · Apr 5, 1995 · N29406 · Cessna 177 · Magneto/Distributor > THE MAGNETO COIL CRACKED CAUSING MAG TO FAIL. THIS REPORT IS IN CONJUNCTION WITH AN ADDITIONAL REPORT ON THE SAME AIRPLANE AT THE SAME TIME A DUAL MAG FAILURE OCCURRED ON LANDING ROLL OUT. INSPECTIONS ON THE NAGNETOS DO NOT REQUIRE REMOVAL OF COIL TO SATISFY ## 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 = '177' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/cessna-177/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.