# Service difficulty reports: Cessna 172G

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

Newest first. General aviation reporting is voluntary.

- [SDR 2025FA0000457](https://openairdocs.org/sdr/2025FA0000457.md): Piston · cracked · Jul 8, 2025 · Cessna 172G · Reciprocating Engine Power Section
  > HIGH OIL CONSUMPTION REPORTED. BORESCOPE INSPECTION REVEALED PISTON DAMAGE. CYLINDER REMOVED AND FOUND PISTON CRACKED AND SEPARATED IN HALF. INSPECTION OF ENGINE INTERIOR REVEALED SUSPICIOUS PISTON ON OPPOSING CYLINDER. REMOVED CYLINDER AND FOUND CRACK FORMING
- [SDR 2025FA0000004](https://openairdocs.org/sdr/2025FA0000004.md): Alternator · failed · Jan 3, 2025 · Cessna 172G · DC Generating System
  > THE AL:EMATO, PN 15-1014, SN H•V060493, THIS ALTERNAOR, CAME APART IN FLIGHT ON 10/27/2024. THE ONLY INDICATION OF THE FAILURE WAS AN NTEMATOR FELL IGHT. THERE WAS A LOSS OF I ENGINE OIL. FO11UNATOLY, THE PILOT FLYING THE AIRCRAFT LANDED IMMEDIATELY, BEST WE
- [SDR 2018FA0000122](https://openairdocs.org/sdr/2018FA0000122.md): Turnbuckle · separated · Mar 31, 2018 · N5910R · Cessna 172G · Aileron Control System
  > AIRCRAFT LOST AILERON CONTROL IN FLIGHT, DECLARED EMERGENCY AND LANDED. AFTER SHUTDOWN THE SEPARATED CABLE FOR LEFT AILERON FROM TURNBUCKLE SWEDGED FITTING UNDER RIGHT SIDE OF COCKPIT PANEL WAS DISCOVERED. AIRCRAFT GROUNDED.
- [SDR 2018FA0000120](https://openairdocs.org/sdr/2018FA0000120.md): Windshield · cracked · Feb 23, 2018 · N6014R · Cessna 172G · Flight Compartment Windows
  > ENROUTE AT 4500FT TO KSNA FROM KSEE. APPROXIMATELY 10 NM OUT A CRACK APPEARED ON THE WINDSCREEN JUST ABOVE THE PILOT'S AIR VENT. THE CRACK APPEARED TO BE MOVING FROM LEFT SIDE OF THE WIND SCREEN TO RIGHT SIDE. SLOWED TO 90 KTS AND MONITORED THE CRACK. CLOS
- [SDR CA131002007](https://openairdocs.org/sdr/CA131002007.md): Bracket · cracked · Sep 26, 2013 · Cessna 172G · Wing Main, Frame Structure
  > (CAN) BRACKET 051305-63-1, FRONT ELEVATOR BELL CRANK SUPPORT, IN CABIN UNDER FLOOR CRACKS AT LUG ATTACH AREA. REPLACED WITH LATER STRONGER, LONGER LUGS, MORE RIVETS, 051306-3.
- [SDR 2012FA0000818](https://openairdocs.org/sdr/2012FA0000818.md): Cylinder · cracked · Jul 10, 2012 · N4261L · Cessna 172G · Reciprocating Engine Cylinder Section
  > NR 5 CYLINDER CRACKED HALF WAY UP BARREL CAUSING LOSS OF ENGINE POWER.
- [SDR 2012FA0000427](https://openairdocs.org/sdr/2012FA0000427.md): Screen · separated · Jun 2, 2012 · N3860L · Cessna 172G · Fuel Control/Reciprocating Engines
  > 100 HR INSPECTION. SCREEN IS SEPARATED FROM THE FITTING. THE BONDING JOINT FAILED. NEW PN 95-509F, LOT NR 11161106 ASSY INSTALLED. CARBURETOR WAS O/H 9/23/2005 IAW FORM 8130-3.
- [SDR 2010FA0000231](https://openairdocs.org/sdr/2010FA0000231.md): Spinner · cracked · Mar 16, 2010 · N3627L · Cessna 172G · Propeller Spinner Section
  > WHILE INSPECTING THE FWD PROP SPINNER BULKHEAD, CRACKS WERE FOUND. LOOKING FURTHER IT WAS NOTICED THE CTR HOLE IN THE SPINNER DID NOT LINE UP WITH THE CTR OF THE PROP. AFTER REMOVING THE PROP, IT WAS FOUND THE EDGE DISTANCE FROM THE 6 BOLT HOLES TO THE CTR O
- [SDR 2008FA0000371](https://openairdocs.org/sdr/2008FA0000371.md): Engine · vapor lock · May 10, 2008 · N172BX · Cessna 172G · Engine (Reciprocating)
  > AC WAS BEING FLOWN ON RT FUEL TANK. AFTER RUNNING TANK DRY, PILOT SELECTED RT FUEL TANK AND MOMENTS LATER THE ENG STOPPED PRODUCING POWER AND MADE AN EMERGENCY LANDING. AC FUEL SYS WAS INSPECTED FOR CONTAMINATES AND FAILURES, NONE WERE FOUND. POSSIBLE CAUSE I
- [SDR 2003FA0001140](https://openairdocs.org/sdr/2003FA0001140.md): Bracket · broken · Oct 6, 2003 · N61LV · Cessna 172G · Elevator Structure
  > BADLY BROKEN BRACKET WAS HELD IN PLACE BY ONLY TWO RIVETS. TOTAL LOSS OF ELEVATOR WOULD HAVE BEEN FORTHCOMING HAD BRACKET NOT BEEN REPLACED. THIS WAS DIFFICULT TO DETECT BECAUSE CONTROL FUNCTION WAS NORMAL AND IS DIFFICULT TO VIEW (BEING BELOW THE FLOOR). I
- [SDR AUS20030945](https://openairdocs.org/sdr/AUS20030945.md): Strut · corroded · Sep 8, 2003 · Cessna 172G · Main Landing Gear Strut/Axle/Truck
  > (AUS) LT AND RT MAIN LANDING GEAR LEGS CORRODED.
- [SDR CA021119008](https://openairdocs.org/sdr/CA021119008.md): Flying Wire · broken · Oct 25, 2002 · Cessna 172G · Wheel/Ski/Float
  > (CAN) HARD LANDING ON GATINEAU RIVER - BROKE BOTH FLYING WIRES THAT ATTACH UPPER LT HAND AND LOWER RT HAND. THIS ALLOWED THE AIRPLANE TO GO DOWN ON RT WING TIP. THIS BROKEN THE ATTACH FITTINGS ON END OF REAR AND DIAGONAL STRUTS.
- [SDR CA020617002](https://openairdocs.org/sdr/CA020617002.md): Spar · cracked · Jun 13, 2002 · Cessna 172G · Horizontal Stabilizer, Spar/Rib
  > (CAN) DURING A RECENT PAINT SHOP VISIT IT WAS DISCOVERED THAT A SIGNIFICANT NUMBER OF SERIOUS STRUCTURALLY DAMAGED AREAS WERE AHMMERED OUT WITH A DOLLY, NOT REINFORCED, AND EITHER FILLED IN WITH BODY PUTTY OR COERED OER WITH A PATCH. THE LEFT WING MAIN SPAR AP
- [SDR AUS20010748](https://openairdocs.org/sdr/AUS20010748.md): Rib · corroded · Jul 17, 2001 · Cessna 172G · Elevator, Spar/Rib
  > (AUS) ELEVATOR END RIB EXTENSIVELY CORRODED.
- [SDR CA000328008](https://openairdocs.org/sdr/CA000328008.md): Support Bracket · cracked · Mar 9, 2000 · Cessna 172G · Main Landing Gear Attach Section
  > (CAN) DURING SCHEDULED INSPECTION, A.25 INCH CRACK WAS FOUND IN THE LEFT LANDING GEAR LEG SUPPORT. THE CRACK WAS PROPAGATING FROM THE LOWER AFT RADIUS OF THE SLOT IN THE SUPPORT THAT RECEIVES THE LANDING GEAR LEG.
- [SDR 99ZZZX4196](https://openairdocs.org/sdr/99ZZZX4196.md): Step · sheared · Oct 15, 1999 · N4621L · Cessna 172G · Main Landing Gear Strut/Axle/Truck
  > UPON LANDING, THE RIGHT SPRING STRUT SHEARED OFF JUST ABOVE THE AXLE. THE STRUT REVEALED SOMEONE HAD WELDED THE FOOT STEP TO THE STRUT. THE WELD PENETRATION POINTS SET UP STRESS ULTIMATELY CAUSING THE STRUT TO SHEAR. THE LEFT STRUT INSPECTED ALSO HAD BEEN W
- [SDR 99ZZZX4069](https://openairdocs.org/sdr/99ZZZX4069.md): Rocker Arm · cracked · Oct 6, 1999 · N3255L · Cessna 172G · Reciprocating Engine Cylinder Section
  > APPROXIMATELY 2 MILES FROM AN AIR FIELD, THE ENGINE BEGAN TO RUN ROUGH. LANDED WITHOUT INCIDENT. INSPECTION REVEALED THE NR 4 CYLINDER EXHAUST ROCKER ARM HAD CRACKED AND SEPARATED, ON THE BOTTOM INBOARD SIDE, IN THE BUSHING AREA. THE BUSHING WAS NOT DAMAGED.
- [SDR 99ZZZX1406](https://openairdocs.org/sdr/99ZZZX1406.md): Control Yoke · cracked · Mar 1, 1999 · N6070R · Cessna 172G · Control Column Section
  > WHILE TIED DOWN, AIRCRAFT SUBJECTED TO TAILWINDS REPORTEDLY AS HIGH AS 77 KNOTS. CONTROL LOCK IN PLACE, NO SURFACE CONTROL GUST LOCKS INSTALLED. AIRCRAFT OWNERS FIRST NOTED SLIGHT ELEVATOR DROOP FROM NORMAL 'LOCKED' POSITION, ATTRIBUTED TO STRETCHED CABLES. NE
- [SDR CA990115007](https://openairdocs.org/sdr/CA990115007.md): Blade · damaged · Nov 12, 1998 · Cessna 172G · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. SEVERE STONE DAMAGE WAS FOUND ON THE PROPELLER BLADES LEADING EDGES.
- [SDR CA981109019](https://openairdocs.org/sdr/CA981109019.md): Blade · damaged · Oct 22, 1998 · Cessna 172G · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. STONE DAMAGE WAS FOUND ON THE LEADING EDGES AND FACES OF THE BLADES.
- [SDR AU980791](https://openairdocs.org/sdr/AU980791.md): Filter · contaminated · Jul 9, 1998 · Cessna 172G · Fuel Control/Reciprocating Engines
  > (AUS) CARBURETOR FINGER FILTER CONTAMINATED WITH LINT TYPE MATERIAL.
- [SDR 98ZZZX3072](https://openairdocs.org/sdr/98ZZZX3072.md): Heat Valve · defective · Jun 24, 1998 · N1190F · Cessna 172G · Engine Air Intake System
  > WHILE GROUND RUNNING TO CLEAN EGT PROBLEM, A LOW IDLE (400 RPM) WAS FOUND. ADJUSTED IDLE BY BOTTOMING OUT IDLE SCREW. INTAKE PIPES SEEMED UNUSUALLY HOT FOR A SHORT GROUND RUN, SO REMOVED THE LT MUFFLER TO AIRBOX AIR DUCT AND DISCOVERED THE AFT AIRBOX HEAT VAL
- [SDR 98ZZZX3564](https://openairdocs.org/sdr/98ZZZX3564.md): Spar · corroded · Jun 3, 1998 · N3732L · Cessna 172G · Fuselage Miscellaneous Structure
  > THE ACFT HAS BEEN OUTSIDE ON A TIE-DOWN FOR MANY YEARS. DURING THE ANNUAL INSPECTION, NOTED THAT PITTING CORROSION WAS ACTIVE ON THE REAR SPAR CARRY-THROUGH EVIDENCED BY ITS WHITE POWDER APPEARANCE. THE LEADING EDGE OF THE SPAR CHANNEL HAD EVIDENCE IN THE A
- [SDR CA980525004](https://openairdocs.org/sdr/CA980525004.md): Blade · damaged · May 13, 1998 · Cessna 172G · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. BLADE WAS FOUND WITH STONE DAMAGE. THE BLADE WAS TRIMMED.
- [SDR 98ZZZX690](https://openairdocs.org/sdr/98ZZZX690.md): Skin · cracked · Jan 1, 1998 · N4612L · Cessna 172G · Horizontal Stabilizer, Plate/Skin
  > FOUND HORIZONTAL STABILIZER LEADING EDGE P/N 0532001-76 CRACKED AT INBOARD RIB P/N 0532001-50. SUBMITTER STATED CAUSED BY GROUND HANDLING. DAMAGE WAS DIFFICULT TO SEE DUE TO DARK PAINT COLOR AND CRACK WAS CLOSED UNLESS PRESSURE (DOWNWARD) WAS PUT ON L.E.
- [SDR 98ZZZX170](https://openairdocs.org/sdr/98ZZZX170.md): Bracket · cracked · Dec 27, 1997 · N4477L · Cessna 172G · Elevator Control System
  > INSPECTION OF 4 LOOSE RIVETS ON BELLY SKIN BETWEEN WING STRUT LOWER ATTACH POINTS REVEALED THE 'ELEVATOR BELLCRANK BRACKET', PN 051306301, HAD BEEN FLEXING. ON CLOSER EXAMINATION, MANY CRACKS WERE FOUND IN THE BEND RADII OF THE FORWARD AND AFT FLANGES WITH CO
- [SDR CA970626019](https://openairdocs.org/sdr/CA970626019.md): Door Hinge · cracked · Jun 17, 1997 · Cessna 172G · Landing Gear Doors
  > (CAN) ON INSPECTION THE AFT DOOR HINGE WAS FOUND CRACKED ON THE INSIDE OF THE RADIUS OF THE CURVE. SUBMITTER STATES THAT THIS PARTICULAR HINGE IS NOT PART OF PIPER SERVICE BULLETIN 682 AND AD 80-26-05.
- [SDR 97ZZZX1588](https://openairdocs.org/sdr/97ZZZX1588.md): Hinge · damaged · Mar 19, 1997 · Cessna 172G · Ailerons
  > HINGE AS DELIVERED FROM MFG SHOWS WHAT APPEARS TO BE A TOOL MARK. SUBMITTER STATED MAKE SURE PART IS INSPECTED BEFORE USE.
- [SDR AU970218](https://openairdocs.org/sdr/AU970218.md): Spar · cracked · Mar 5, 1997 · Cessna 172G · Horizontal Stabilizer, Spar/Rib
  > (AUS) HORIZONTAL STABILISER FORWARD SPAR CRACKED AT CENTRE LIGHTENING HOLE AS INDICATED IN SEB 94-8 - CRACK LENGTH APPROXIMATELY 10MM (0.393IN) - SUSPECT PROBLEM CONTRIBUTED TO BY INCORRECT GROUND HANDLING
- [SDR 96ZZZX5878](https://openairdocs.org/sdr/96ZZZX5878.md): Mount · corroded · Nov 1, 1996 · N3918L · Cessna 172G · Engine Mount Section
  > INSPECTION FOUND MOTOR MOUNT THROUGH-BOLTS HOLES WERE CORRODED. FWD RIGHT MOUNT AND LEFT AFT MOUNT.
- [SDR 96ZZZX5877](https://openairdocs.org/sdr/96ZZZX5877.md): Mount · corroded · Nov 1, 1996 · N3918L · Cessna 172G · Engine Mount Section
  > INSPECTION FOUND MOTOR MOUNT THROUGH-BOLTS HOLES WERE CORRODED. FWD RIGHT MOUNT AND LEFT AFT MOUNT.
- [SDR CA960924040](https://openairdocs.org/sdr/CA960924040.md): Carburetor · mis modified · Sep 1, 1996 · Cessna 172G · Fuel Control/Reciprocating Engines
  > (CAN) MODIFICATION OF CARBURETOR SINGLE PIECE VENTURI AND METAL FLOAT INSTALLATION WAS DONE IMPROPERLY. THE SPRING WHICH BRINGS DOWN THE NEEDLE WHEN THE FLOAT DROPS AS THE FUEL LEVEL LOWERS WAS INSTALLED TO THE FRONT INSTEAD OF FROM THE LEFT OR RIGHT SIDE. IN
- [SDR 96ZZZX4309](https://openairdocs.org/sdr/96ZZZX4309.md): Bracket · failed · Aug 6, 1996 · N1130F · Cessna 172G · Elevator Control System
  > ELEVATOR BELLCRANK BRACKET LOCATED UNDER FLOOR AT CENTER FUSELAGE FS 27, BROKEN AT ATTACHMENT BULKHEAD. REPLACEMENT PART IS CONSTRUCTED OF HEAVIER MATERIAL AND IS A DASH 3 PART NUMBER.
- [SDR AU960973](https://openairdocs.org/sdr/AU960973.md): Seat Belt · wrong part · Jul 4, 1996 · Cessna 172G · Flight Compartment Equipment
  > (AUS) SEAT BELTS MANUFACTURED FROM AUTOMOTIVE HARDWARE AND WEBBING - UNAPPROVED PART - PERSONNEL/MAINTENANCE ERROR
- [SDR 96ZZZX4410](https://openairdocs.org/sdr/96ZZZX4410.md): U-Bolt · broken · Jun 13, 1996 · N173DA · Cessna 172G · Main Landing Gear Attach Section
  > DURING 100-HOUR INSPECTION, FOUND RIGHT MLG U-BOLT BROKEN. UPON INSPECTION OF BOLT, SUBMITTER STATED IT APPEARS A CRACK HAD BEEN EVIDENT AND HAD FINALLY FAILED POSSIBLY DUE TO A HARD LANDING.
- [SDR 96ZZZX4409](https://openairdocs.org/sdr/96ZZZX4409.md): Support · cracked · Jun 13, 1996 · N173DA · Cessna 172G · Main Landing Gear Attach Section
  > WHILE CHANGING A BROKEN U-BOLT, NOTICED POSSIBLE CRACK ON MLG OUTBOARD SUPPORT AT FORWARD HOLE WHERE U-BOLT ATTACHES. CRACK CONFIRMED BY NDT. SUSPECT CAUSE WAS BROKEN U-BOLT CONCENTRATING STRESSES AT FORWARD HOLE.
- [SDR 96ZZZX2170](https://openairdocs.org/sdr/96ZZZX2170.md): Bracket · broken · Feb 5, 1996 · N4250L · Cessna 172G · Elevator Control System
  > DURING ANNUAL INSPECTION, NOTED EXCESS MOVEMENT REQUIRED IN ELEVATOR CONTROL TO PRODUCE ANY MOVEMENT IN ELEVATOR. INVESTIGATION SHOWED ELEVATOR BELLCRANK BRACKET BROKEN LOOSE FROM FRONT STRINGER AND ALL BUT ONE RIVET ON THE REAR STRINGER. REPLACED BRACKET WI
- [SDR 95ZZZX6379](https://openairdocs.org/sdr/95ZZZX6379.md): Coil · open · Oct 24, 1995 · N6070R · Cessna 172G · Magneto/Distributor
  > LEFT MAGNETO FAILURE DUE TO OPEN IN SECONDARY WINDING OF THE COIL.

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

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

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