# Service difficulty reports: Cessna 172I

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

Newest first. General aviation reporting is voluntary.

- [SDR 2021FA0000177](https://openairdocs.org/sdr/2021FA0000177.md): Wire · burned · Jun 14, 2021 · N35672 · Cessna 172I · Engine Oil System Wiring
  > HOT WIRE FOR OIL PRESSURE AND TEMPERATURE GAUGE INST P/N OTP200K S/N ASL01103- BURNT ABOUT A 2FT SECTION OF MFG SUPPLIED WIRE- REMOVED OLD WIRE AND INSTALLED NEW WIRE 2FT P/N AT19118AWG - SOLDER WIRES TOGETHER AND HEAT SHRUNK ENTIRE WIRE
- [SDR 2011FA0000036](https://openairdocs.org/sdr/2011FA0000036.md): Spar · cracked · Dec 30, 2010 · N35377 · Cessna 172I · Wing Spar
  > (GY1R) UPON INSP OF THE RT INBD FLAP, THE FLAP TRACK HAD EXCESSIVE MOVEMENT WHICH REVEALED A CRACKED REAR SPAR AT THE LOWER FLAP TRACT ATTACH POINT AND A CRACKED INBD FLAP TRACK LOWER BRACKET SECTION. THE PROBABLE CAUSE WAS THAT THE FLAP WAS OUT OF RIG, CAUSI
- [SDR 2009FA0000337](https://openairdocs.org/sdr/2009FA0000337.md): Oil Filter · collapsed · Apr 17, 2009 · N35586 · Cessna 172I · Reciprocating Engine Oil System
  > OIL FILTER INTERNALLY COLLAPSED CAUSING THE EXCESSIVE OIL PRESSURE TO BLOW OUT MATING SURFACE SEAL. OIL WAS THEN EXHAUSTED, SUBSEQUENT ENGINE SEIZURE OCCURRED. (K)
- [SDR 2009FA0000249](https://openairdocs.org/sdr/2009FA0000249.md): Master Cylinder · failed · Mar 24, 2009 · N46265 · Cessna 172I · Master Cylinder/Brake Valve
  > COMPLETE RT BRAKE IND SYS FAILURE WHILE TAXING THE ACFT. NO VISIBLE SIGNS OF DAMAGE OR FLUID LEAKAGE, POSSIBLY DEFECTIVE MASTER CYLINDER OR BRAKE CALIPER ASSY.
- [SDR CA030108008](https://openairdocs.org/sdr/CA030108008.md): Rheostat · failed · Dec 11, 2002 · Cessna 172I · Instrument Panel
  > THIS 'SDR' IS BEING RAISED BECAUSE OF AD 93-24-15 AND SEB92-33R1 REGARDING INSTRUCTIONS OF RHEOSTAT P/N RD-0015H-1600. WHEN AN AD IS ISSUED, AS THIS ONE WAS, REGARDING AN IMPROVED PART THE REGULATORY BODY SHOULD ENSURE PARTS CATALOGS OR MAINTENANCE MANUALS AR
- [SDR 2002FA0000848](https://openairdocs.org/sdr/2002FA0000848.md): Bracket · cracked · Jul 11, 2002 · N35605 · Cessna 172I · Fuselage Main, Structure
  > DURING INSPECTION TO DETERMINE WHY INDUCTION AIR FILTER WAS RUBBING AGAINST OPENING IN LOWER ENGINE COWL. IT WAS FOUND THAT THE LT UPPER FIREWALL WAS FILLED FORWARD APPROX.2500 INCH WHERE ENGINE MOUNT ATTACHED TO FIREWALL. AFTER REMOVEING INTERIOR PANEL FO
- [SDR CA010814022](https://openairdocs.org/sdr/CA010814022.md): Control Cable · frayed · Aug 2, 2001 · Cessna 172I · Aileron Control System
  > (CAN) AIRCRAFT DAMAGE ON LANDING AT PICTOU ISLAND. AIRCRAFT BEING STRIPPED FOR REPAIR WHEN THE CABLE, ABOVE WAS FOUND FRAYED WHERE IT PASSES OVER THE PULLEY. LT SIDE TOP OF FUSELAGE.
- [SDR 20010320AP002](https://openairdocs.org/sdr/20010320AP002.md): Bulkhead · broken · Feb 15, 2001 · N46230 · Cessna 172I · Propeller Spinner Section
  > SPINNER BULKHEAD WAS FOUND BROKEN AT END NEAR BLADE, WHERE LAST NUTPLATE IS LOCATED. THE BULKHEAD WAS REMOVED AND A NEW ONE ORDERED THROUGH API. THIS PART HAD BEEN REPLACED LESS THAN ONE YEAR EARLIER, APPROX 300 HOURS WERE ON THE PART. WHEN WE RECIEVED THE FAC
- [SDR CA991209030](https://openairdocs.org/sdr/CA991209030.md): Spring · broken · Nov 10, 1999 · Cessna 172I · Rudder Control System
  > (CAN) DURING TAXI, THE PILOT HEARD A SNAP AND COULD NO LONGER EXECUTE RIGHT TURNS. MAINTENANCE FOUND THE LEFT RUDDER PEDAL RETURN SPRING BROKEN.
- [SDR CA991103059](https://openairdocs.org/sdr/CA991103059.md): U Bolt · broken · Oct 17, 1999 · Cessna 172I · Main Landing Gear Attach Section
  > (CAN) DURING PRE-LIGHT INSPECTION, LEFT MAIN LANDING GEAR LEG FAIRING WAS FOUND DISPLACED (STICKING OUT). U-BOLT FOUND BROKEN, AFT END.
- [SDR 99ZZZX290](https://openairdocs.org/sdr/99ZZZX290.md): Carburetor · malfunctioned · Dec 1, 1998 · N35446 · Cessna 172I · Fuel Control/Reciprocating Engines
  > ENGINE RAN ROUGH IN CRUISE. CARBURETOR HEAT HELPED SOME. REMOVED PLUGS, FOUND TO BE RUNNING LEAN. REMOVED CARBURETOR, DISASSEMBLED AND FOUND ONE PIECE VENTURI LOOSE IN UPPER CARBURETOR PIECE. SUBMITTER SUSPECTS AIR BYPASSING VENTURI AND CAUSING LEAN MIXTUR
- [SDR 98ZZZX3412](https://openairdocs.org/sdr/98ZZZX3412.md): Bolt · broken · Aug 1, 1998 · N35513 · Cessna 172I · Main Landing Gear Attach Section
  > THE FORWARD NUT BROKE OFF ON THE LANDING GEAR U-BOLT WHICH CAUSED THE OUTER LANDING GEAR SUPPORT BRACKET TO CRACK. THIS IS A RENTAL AIRPLANE AND NO ONE REPORTED A HARD LANDING OR ANYTHING ELSE (BOTH SIDES BROKE; LT BOLT, LT SUPPORT. RT BOLT, RT SUPPORT.
- [SDR CA980421023](https://openairdocs.org/sdr/CA980421023.md): Stringer · cracked · Apr 14, 1998 · Cessna 172I · Fuselage Main, Longeron/Stringer
  > (CAN) ON INSPECTION, THE LEFT HAND UPPER ENGINE RAIL CRACKED WHERE THE ENGINE MOUNT BOLT CONNECTS.
- [SDR CA970811004](https://openairdocs.org/sdr/CA970811004.md): Propeller · corroded · Aug 1, 1997 · Cessna 172I · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. BLADES AND HUB CORRODED UNDER PAINT. LAST PROP SHOP INSPECTION CARRIED OUT ON 13 JULY 1982.
- [SDR 97ZZZX1366](https://openairdocs.org/sdr/97ZZZX1366.md): Bracket · loose rivets · Mar 1, 1997 · N44BL · Cessna 172I · Rudder Structure
  > DURING SHOP INSPECTION FOUND ATTACH BRACKET FOR RUDDER BOLT TO HAVE LOOSE RIVETS. PART NUMBER FOR BRACKET BOTTOM ATTACH IS 0531018-1 AND FOR TOP ATTACH 0531018-2.
- [SDR 97ZZZX698](https://openairdocs.org/sdr/97ZZZX698.md): Spar · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > DURING A PRELIMINARY INSPECTION OF AIRCRAFT. HEAVY INTERGRANULAR CORROSION WAS FOUND IN THE AFT CABIN SPAR HAT SECTION. PART WAS REMOVED AND REPLACED. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. NO PRIMER PROTECTION NOTED.
- [SDR 97ZZZX697](https://openairdocs.org/sdr/97ZZZX697.md): Spar · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > DURING A PRELIMINARY INSPECTION ON THE AIRCRAFT, HEAVY INTERGRANULAR CORROSION WAS FOUND IN THE FWD CABIN SPAR. PART WAS REMOVED AND REPLACED. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. NO PRIMER ON INTERNAL PARTS BY CESSNA.
- [SDR 97ZZZX696](https://openairdocs.org/sdr/97ZZZX696.md): Spar Channel · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > HEAVY INTERGRANULAR AND SURFACE CORROSION WAS FOUND ON FWD SPAR CHANNEL OF RT WING. REMOVED AND REPLACED SPAR CHANNEL WITH NEW CESSNA PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS NOT PROTECTED WITH PRIMER BY CESSNA.
- [SDR 97ZZZX695](https://openairdocs.org/sdr/97ZZZX695.md): Spar Channel · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > HEAVY INTERGRANULAR AND SURFACE CORROSION WAS FOUND ON FWD SPAR CHANNEL OF RT WING. REMOVED AND REPLACED PART WITH NEW CESSNA PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. NO PRIMER PROTECTION.
- [SDR 97ZZZX694](https://openairdocs.org/sdr/97ZZZX694.md): Spar Cap · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > HEAVY INTERGRANULAR AND SURFACE CORROSION FOUND IN RT WING FWD SPAR CAP. REMOVED AND PRELACED PART WITH NEW CESSNA PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS WERE NOT PROTECTED WITH PRIMER AT TIME OF MANUFACTURE.
- [SDR 97ZZZX693](https://openairdocs.org/sdr/97ZZZX693.md): Channel · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Miscellaneous Structure
  > FOUND RIVETS POPPED ON THE LEADING EDGE OF RT WING AT STA 26. RMEOVED AND REPLACED PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS WERE NOT PROTECTED WITH PRIMER AT TIME OF MANUFACTURE.
- [SDR 97ZZZX692](https://openairdocs.org/sdr/97ZZZX692.md): Rib · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing, Rib/Bulkhead
  > NOSE RIB CORRODED THROUGH AT STA 190 OF LT WING. AIRCRAFT WAS BASED IN FLORIDA WITH NO FACTORY PROTECTION OF PARTS INSIDE OF WINGS.
- [SDR 97ZZZX691](https://openairdocs.org/sdr/97ZZZX691.md): Bracket · corroded · Nov 11, 1996 · N894 · Cessna 172I · Trailing Edge Flap Actuator
  > HEAVY INTERGRANULAR CORROSION FOUND ON LOWER FLAP MOTOR BRACKET AT BOLT HOLE. REMOVED AND REPLACED PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS WERE NOT PROTECTED WITH PRIMER AT TIME OF MANUFACTURE.
- [SDR 97ZZZX690](https://openairdocs.org/sdr/97ZZZX690.md): Spar · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > HEAVY INTERGRANULAR CORROSION ON OUTBOARD SPAR CHANNEL LT WING. RMEOVED ADN REPLACED PART. AIRCRAFT BASED IN CENTRAL FLORIDA. WINGS DID NOT HAVE ANY PRIMER PROTECTION FROM FACTORY.
- [SDR 97ZZZX689](https://openairdocs.org/sdr/97ZZZX689.md): Spar · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > CORROSION ON AFT SPAR CHANNEL STA 105. REMOVED AND REPLACED PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS DID NOT HAVE ANY PRIMER PROTECTION FROM FACTORY.
- [SDR 97ZZZX688](https://openairdocs.org/sdr/97ZZZX688.md): Spar · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing Spar
  > HEAVY SURFACE CORROSION ON AFT SPAR OF LT WING BETWEEN STA 148-137. REMOVED AND REPLACED PART. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PART HAD NO PRIMER PROTECTION FROM FACTORY.
- [SDR 97ZZZX687](https://openairdocs.org/sdr/97ZZZX687.md): Rib · corroded · Nov 11, 1996 · N894 · Cessna 172I · Horizontal Stabilizer, Spar/Rib
  > FOUND HEAVY INTERGRANULAR CORROSION IN HORIZONTAL STABILIZER NOSE RIBS. REMOVED AND REPLACED PARTS. AIRCRAFT WAS BASED IN CENTRAL FLORIDA. PARTS HAD NO PRIMER PROTECTION AT TIME OF MANUFACTURE.
- [SDR 97ZZZX686](https://openairdocs.org/sdr/97ZZZX686.md): Rib · corroded · Nov 11, 1996 · N894 · Cessna 172I · Wing, Rib/Bulkhead
  > FOUND SURFACE TRAILING EDGE RIB'S CORRODED THROUGH IN RT WING. REPLACED PARTS WITH NEW CESSNA PARTS. PARTS NOT PROTECTEDY WITH PRIMER BY CESSNA.
- [SDR AU960359](https://openairdocs.org/sdr/AU960359.md): Cable · failed · Mar 13, 1996 · Cessna 172I · Mixture Control
  > (AUS) ENGINE MIXTURE CONTROL CABLE FAILED AT WORN SECTION OF EXPOSED CABLE
- [SDR 95ZZZX2680](https://openairdocs.org/sdr/95ZZZX2680.md): Valve · broken · May 1, 1995 · N35496 · Cessna 172I · Reciprocating Engine Cylinder Section
  > WHILE IN CRUISE, EXHAUST VALVE BROKE APPROXIMATELY ONE-HALF WAY UP THE STEM. THE CYLINDER HEAD AND THE PISTON WERE RENDERED UNSERVICEABLE DUE TO THEIR COMBINED EFFORT TO BREAK THE VALVE INTO SMALL ENOUGH PIECES TO BLOW THEM OUT THE EXHAUST SYSTEM.

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

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

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