# Service difficulty reports: Cessna R172E A list on [Cessna R172E](https://openairdocs.org/model/cessna-r172e.md). Newest first. General aviation reporting is voluntary. - [SDR 2011FA0000301](https://openairdocs.org/sdr/2011FA0000301.md): Switch · overheated · May 10, 2011 · N7753L · Cessna R172E · Exterior Lighting > LANDING / TAXI LIGHT SWITCH INOPERATIVE, MX TROUBLESHOOTING FOUND SWITCH OVERHEATED, BURNED AND POWER WIRE TO SWITCH TERMINAL SHOWED EVIDENCE OF OVERHEATING. SB09-6 REQUIRES INSP AND REPLACEMENT OF LANDING LIGHT SWITCHES WITH LISTED PN. THAT SB DID NOT IDENT - [SDR 2005FA0000696](https://openairdocs.org/sdr/2005FA0000696.md): Spar · cracked · Dec 15, 2004 · N7892N · Cessna R172E · Wing, Rib/Bulkhead > WHILE REPLACING THE FLAP TRACK ASSY, A CRACK APPROX 2 INCHES IN LENGTH AND RUNNING THROUGH THE LOWER RIVET HOLES, WAS FOUND UNDER THE LT IB FLAP TRACK. PROBABLE CAUSE WAS A FLAP OVERSPEED DURING FLIGHT. (K) - [SDR 2005FA0000365](https://openairdocs.org/sdr/2005FA0000365.md): Spar · cracked · Dec 15, 2004 · N7892N · Cessna R172E · Wing Spar > WHILE REPLACING THE FLAP TRACK ASSY, A CRACK APPROXIMATELY 2 INCHES IN LENGTH AND RUNNING THROUGH THE LOWER RIVET HOLES WAS FOUND UNDER THE LT IB FLAP TRACK. PROBABLE CAUSE WAS A FLAP OVERSPEED DURING FLIGHT. (SO09200502861) - [SDR 2005FA0000367](https://openairdocs.org/sdr/2005FA0000367.md): Flap Track · worn · Nov 29, 2004 · N7892N · Cessna R172E · Trailing Edge Flaps > WHILE FLAPS WERE BEING RETRACTED, THE LT IB FLAP ATTACH BRACKET CAUGHT ON THE WING COVE PANEL SUPPORT. THIS CAUSED SUBSTANTIAL DAMAGE TO THE COVE PANEL SUPPORT AS WELL AS THE ATTACH BRACKET. CAUSE WAS DETERMINED TO BE WORN FLAP TRACKS. THE FLAP TRACKS AND R - [SDR 2007FA0000211](https://openairdocs.org/sdr/2007FA0000211.md): Bearing · noisy · Jul 29, 2003 · N7884N · Cessna R172E · Engine Starter > DURING 100 HOUR INSPECTION A NOISE WAS HEARD COMING FROM STARTER ADAPTER WHILE PROP WAS BEING PULLED THRU FOR COMPRESSION CHECKS. STARTER ADAPTER WAS REMOVED AND INSPECTED. NO OBVIOUS DEFECTS WERE NOTED. ASSEMBLY (635048A1) SENT OUT FOR EVALUATION/REPAIR AN - [SDR 2003FA0000292](https://openairdocs.org/sdr/2003FA0000292.md): Baffle · broken · Mar 14, 2003 · N7892N · Cessna R172E · Fuel Storage > DURING VISUAL INSPECTION, FOUND FUEL TANK BAFFLE SPOT WELDS BROKEN LOOSE, ALLOWING BAFFLE TO MOVE AROUND FREELY INSIDE FUEL TANK. THIS CONDITION COULD CAUSE FUEL STARVATION DURING A DECENT WITH A LOW FUEL QUANTITY AND COULD CAUSE ERRONEOUS FUEL QUANTITY INDICA - [SDR 2002FA0000830](https://openairdocs.org/sdr/2002FA0000830.md): Piston Pin · failed · Jul 17, 2002 · N146AC · Cessna R172E · Reciprocating Engine Cylinder Section > ENGINE OIL FILTER INSPECTED DURING 100 HOUR INSPECTION, FOUND EXCESSIVE AMOUNT OF ALUMINUM FLAKES IN FILTER. CAUSE OF METAL IN OIL FILTER TRACED TO NR 6 CYLINDER PISTON PIN PLUG. WHEN CYLINDER WAS REMOVED THE FWD PLUG HAD EXCESSIVE WEAR. THIS WAS A FACTORY - [SDR 20010501CW020](https://openairdocs.org/sdr/20010501CW020.md): Coupling · slipped · Apr 12, 2001 · N7907N · Cessna R172E · AC Generator-Alternator > AT ENGINE CHANGE, FRESH OVERHAUL ALT INSTALLED AFTER 9.0 HOURS OF OPERATION NOTED ERATIC ALTERNATOR OUTPUT. INSPECTED ALTERNATOR AND DETERMINED ALTERNATOR DRIVE COUPLING SLIPPING. REPLACED ALTERNATOR DRIVE COUPLING WITH OVERHAULED LIKE ITEM AND REINSTALLED - [SDR 20001108SH034](https://openairdocs.org/sdr/20001108SH034.md): Flap · destroyed · Sep 13, 2000 · N7899N · Cessna R172E · Trailing Edge Flap Control System > AIR LOADS MOVED THE RIGHT FLAP OUTBOARD SO THAT, WHEN RETRACTED, THE INBOARD RIB ASSY - FLAP SUPPORT ARM LEFT, P/N 0523901-8, WAS BLOCKED BY THE FLAP TRACK SUPPORT STRUCTURE. BOTH FLAP SUPPORT ARMS WERE BENT BACKWARD BY THE FORCE OF THE FLAP MOTOR, FINALLY JA - [SDR 99ZZZX3594](https://openairdocs.org/sdr/99ZZZX3594.md): Line · cracked · Sep 9, 1999 · N667GA · Cessna R172E · Aircraft Fuel Distribution System > CRACKED FUEL LINE FROM FIRE WALL TO INLET SIDE OF GASCOLATOR. CRACK OCCURRED AT A BEND DIRECTLY BEHIND THE FERREL SLEEVE/NUT. CRACK APPEARED TO BE OLD AND NOT A RESULT OF AIRCRAFT ACCIDENT. SUBMITTER SUSUPECTED CRACKED FUEL LINE MAY HAVE CAUSED A FUEL LEAK - [SDR 99ZZZX92](https://openairdocs.org/sdr/99ZZZX92.md): Gear · failed · Jun 25, 1998 · N24FC · Cessna R172E · Reciprocating Engine Oil System > WHILE IN-FLIGHT, OIL PRESSURE AND TACHOMETER DROPPED TO ZERO. WAS ABLE TO LAND ON PRIVATE GRASS STRIP WITHOUT INCIDENT. DETERMINED THE OIL PUMP DRIVE GEAR FAILED CAUSING FAILURE OF OIL PUMP, TACH DRIVE, AND ALTERNATOR GEAR. ON AN EARLIER DATE, FORCED TO MAK - [SDR 98ZZZX2465](https://openairdocs.org/sdr/98ZZZX2465.md): Drive Gear · failed · Jun 25, 1998 · N24FC · Cessna R172E · Reciprocating Engine Rear Section > WHILE IN-FLIGHT, OIL PRESSURE AND TACHOMETER DROP TO ZERO, WAS ABLE TO LAND ON PRIVATE GRASS STRIP WITHOUT INCIDENT. DETERMINED THE OIL PUMP DRIVE GEAR HAS FAILED CAUSING FAILURE OF OIL PUMP, TACH DRIVE AND ALTERNATOR GEAR. - [SDR 97ZZZX4039](https://openairdocs.org/sdr/97ZZZX4039.md): Drive Bushing · distorted · Aug 18, 1997 · N49885 · Cessna R172E · Alternator-Generator Drive > IN RESPONSE TO TCM SB 95-31 (ALT DRIVE), A CHECK OF WEAR HAS BEEN KEPT SINCE NEW. AT ZERO TIME, RADIAL TRAVEL OF ALTERNATOR FAN WAS ZERO TO.1250 INCH. AT 200 HOURS, FAN TRAVEL WAS.25 INCH TO.3750 INCH. AT 480 HOURS SINCE NEW, THE FAN TRAVEL WAS.75 INCH - [SDR 96ZZZX4312](https://openairdocs.org/sdr/96ZZZX4312.md): Vernier Control · failed · Aug 7, 1996 · N7898N · Cessna R172E · Mixture Control > WHILE IN CRUISE FLIGHT, AN ATTEMPT TO LEAN THE MIXTURE WAS MADE. AFTER ABOUT THREE TURNS OF THE VERNIER CONTROL KNOB, A PUSH WAS FELT AND CONTROL WENT TO IDLE CUT-OFF. ATTEMPTS TO PUSH THE CONTROL IN FAILED. AN AIRPORT LANDING WAS MADE WITH PARTIAL POWER OB - [SDR 96ZZZX1092](https://openairdocs.org/sdr/96ZZZX1092.md): Skin · misrepaired · Dec 26, 1995 · N7752L · Cessna R172E · Wing, Plate/Skin > LEFT WING LEADING EDGE SKIN REPAIRED FROM WING ROOT TO WS 56.37. THE REPAIR WAS NOT DONE IAW APPROVED DATA. ATTAINED APPROVED ENGINEERING ORDER FROM CESSNA AIRCRAFT COMPANY AND REACCOMPLISHED REPAIR. - [SDR 96ZZZX1091](https://openairdocs.org/sdr/96ZZZX1091.md): Filter · crushed · Dec 26, 1995 · N7752L · Cessna R172E · Aircraft Fuel Filter/Strainer > DURING ACCEPTANCE INSPECTION, AIRCRAFT FUEL FILTER REMOVED FOR INSPECTION AND FOUND CRUSHED. THE FILTER HAD BEEN INSTALLED IN THE STRAINER IMPROPERLY. REPLACED FILTER AND REINSTALLED CORRECTLY. - [SDR 95ZZZX4328](https://openairdocs.org/sdr/95ZZZX4328.md): Arm · worn · Jul 5, 1995 · N88763 · Cessna R172E · Trailing Edge Flaps > DURING COMPLIANCE WITH SEB 95-3, THE RIB ASSY FLAP SUPPORT ARMS, PN 0523901-13 LT, OR PN 0523901-14 RT, FOUND WEAR GROOVES WHICH EXCEED THE MAXIMUM DEPTH OF 0.020 INCH. AT LEAST ONE OR BOTH ARMS WORN BEYOND LIMIT. ## 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 = 'R172E' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/cessna-r172e/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.