# Service difficulty reports: Piper PA-25-235

A list on [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235.md).

Newest first. General aviation reporting is voluntary.

- [SDR CA190211006](https://openairdocs.org/sdr/CA190211006.md): Capacitor · failed · Feb 7, 2019 · Piper PA25235 · Magneto/Distributor
  > (CAN) MAGNETO RECEIVED FOR OVERHAUL. DEFECT FOUND DURING DISASSEMBLY. MOUNTING TAB SPOT WELDS DETACHED FROM CAPACITOR HOUSING.
- [SDR 2018FA0000168](https://openairdocs.org/sdr/2018FA0000168.md): Bolt · sheared · May 12, 2018 · N8937L · Piper PA25235 · Landing Gear System
  > BOLT SHEARED.
- [SDR 2012FA0000715](https://openairdocs.org/sdr/2012FA0000715.md): Air Box · damaged · Oct 22, 2012 · N82509 · Piper PA25235 · Engine Air Intake System
  > DURING FLIGHT, POWER LOSS FROM ENGINE. SUCCESSFUL OFF FIELD LANDING WAS MADE. INSPECTION REVEALED A BAFFLE INSIDE THE CARBURETOR AIR BOX, CAME LOOSE STARTVING THE CARB OF AIR CAUSING ENGINE TO LOOSE POWER.
- [SDR 2012FA0000524](https://openairdocs.org/sdr/2012FA0000524.md): Engine · power loss · Jul 23, 2012 · N7313Z · Piper PA25235 · Engine (Reciprocating)
  > DURING BANNER TOW OPERATIONS, IN CRUISE FLIGHT AT APPROX 600' AGL, THE PILOT REPORTED THAT THE ENGINE STARTED TO SHUTTER VIOLENTLY AND SUBSEQUENTLY BEGAN TO RAPIDLY LOSE POWER. CARBURETOR HEAT WAS APPLIED WITH NO EFFECT. THE PILOT WAS FORCED TO PERFORM EMERGEN
- [SDR 2006FA0000630](https://openairdocs.org/sdr/2006FA0000630.md): Contact · broken · Jun 12, 2006 · N4811Y · Piper PA25235 · Magneto/Distributor
  > MAG FAILED IN FLIGHT, UPON INSPECTION POINTS WERE FOUND TO BE BROKEN WITH 44 HOURS TT ON THE POINTS. THE SPRING PORTION WAS BROKEN DUE TO A DEFECT IN THE STAMPING WHICH SET UP A STRESS POINT AT THE ATTACH SCREW. RECOMMEND MFG CONTACT ASSY BE INSPECTED FOR PR
- [SDR 2006FA0000627](https://openairdocs.org/sdr/2006FA0000627.md): Washer · cracked · Jun 5, 2006 · N7785Z · Piper PA25235 · Engine (Reciprocating)
  > COUNTER WEIGHT RETAINING WASHER P/N 71907 CRACKED AND BROKE. THIS ALLOWED THE COUNTER WEIGHT RETAINING PIN TO FALL OUT. ENGINE SEIZED.
- [SDR 2006FA0000478](https://openairdocs.org/sdr/2006FA0000478.md): Magneto · disintegrated · May 1, 2006 · N7339Z · Piper PA25235 · Magneto/Distributor
  > MAGNETO WAS REMOVED FROM ENGINE FOR ROUTINE MAINTENANCE INSPECTION. THREADS ON MAGNETO SHAFT AND NUT WERE COMPLETELY STRIPPED. SLOT IN SHAFT FOR WOODRUFF KEY WAS WALLOWED OUT. COTTER KEY WHICH RETAINED NUT TO SHAFT WAS STILL IN PLACE. AT TIME OF REMOVAL ENG
- [SDR 2006FA0000459](https://openairdocs.org/sdr/2006FA0000459.md): Attach Fitting · out of limits · Apr 19, 2006 · N6719Z · Piper PA25235 · Fuselage, Wing Attach Fittings
  > ATTACHMENT CONNECTIONS AT RT AND LT SIDES ARE BELOW MINIMUM SPECIFIED IN AD. INSPECTION METHOD- ULTRASONIC. (K)
- [SDR CA060427002](https://openairdocs.org/sdr/CA060427002.md): Connecting Rod · galled · Apr 13, 2006 · Piper PA25235 · Reciprocating Engine Power Section
  > (CAN) CONNECTING RODS REMOVED FROM ENGINE AT 192.0HRS DUE TO PROP STRIKE. RODS INSPECTED IAW SB439A, AND ALL 6 RODS HAD FRETTING AND GALLING ON THE CONNECTING ROD BEARING BORE SURFACE. THE RODS WERE REPAIRED AND RETURNED TO SERVICE. THE PREVIOUS OVERHAUL RECOR
- [SDR 2005FA0001317](https://openairdocs.org/sdr/2005FA0001317.md): Bladder · collapsed · Sep 20, 2005 · N4827Y · Piper PA25235 · Fuel Storage
  > FOUND AC TO HAVE DAMAGE TO L G BUNGEE, LT BOOM OB ATTACH POINT AT AFT WING CLOSEOUT. NO FUEL IN TANK, VERIFIED BY REMOVAL OF FUEL LINE AT FUEL VALVE ON BOTTOM OF TANK. FILLED TANK TO OVERFLOW CONDITION. WAS ONLY ABLE TO GET 23.2 OF 38 GALLONS INTO TANK. FU
- [SDR 2005FA0000754](https://openairdocs.org/sdr/2005FA0000754.md): Gascolator · contaminated · May 11, 2005 · N4514Y · Piper PA25235 · Aircraft Fuel Filter/Strainer
  > DURING AN ACCIDENT INVESTIGATION FUEL GASCOLATOR WAS FOUND WITH LARGE AMOUNTS OF WATER AND SOLID CONTAMINANTS. IT WAS NOTED THAT THE PART COULD NOT BE ROTATED TO ENSURE DRAINAGE OF CONTAMINANTS WHEN AC IS ON THE GROUND DUE TO COWL SUPPORT STRUTS INTERFERENCE.
- [SDR 2003FA0000696](https://openairdocs.org/sdr/2003FA0000696.md): Bearing Cage · disintegrated · May 31, 2003 · N9883P · Piper PA25235 · Magneto/Distributor
  > DURING MAINTENANCE ACTION, FOUND LT IMPULSE COUPLING MAG GEAR ROLLER BEARING CAGE, PN LYC 67452 DISINTEGRATED AND DEPOSITED IN OIL SUMP. BOTH SIDES OF ROLLER CAGE CAME LOOSE AND ROLLER BALLS BUNCHED UP INSIDE BEARING RACES. ADDITIONAL STRESS OF IMPULSE MAG
- [SDR 2003FA0000695](https://openairdocs.org/sdr/2003FA0000695.md): Bearing Cage · disintegrated · May 31, 2003 · N9827P · Piper PA25235 · Magneto/Distributor
  > DURING MAINTENANCE ACTION, FOUND LT IMPULSE COUPLING MAG GEAR ROLLER BEARING CAGE, PN LYC 67542 DISINTEGRATED AND DEPOSITED IN OIL SUMP. BOTH SIDES OF ROLLER CAGE CAME LOOSE AND ROLLER BALLS BUNCHED UP INSIDE BEARING RACES. ADDITIONAL STRESS OF IMPULSE MAGNE
- [SDR 2003FA0000602](https://openairdocs.org/sdr/2003FA0000602.md): Impulse Coupling · failed · May 20, 2003 · Piper PA25235 · Magneto/Distributor
  > FAILURE OF SLICK 6351, S/N 00120999, MAGNETO. INSTALLATION DATE 7/15/01; TIME IN SERVICE SINCE NEW - 442 HRS. INSTALLED ON PIPER PAWNEE PA-25-235 AIRCRAFT; LYC O-540-B2B5 (I BELIEVE). IT WAS 235 HP. MODEL. FAILURE DATE 5/19/03. THE NOTED MAGNETO FAILED DURING
- [SDR 2003FA0000453](https://openairdocs.org/sdr/2003FA0000453.md): Control Cable · frayed · May 9, 2003 · N6841Z · Piper PA25235 · Elevator Control System
  > ELEVATOR UP CABLE FOUND TO HAVE NUMEROUS STRANDS BROKEN WHERE CABLE GOES THROUGH FAIRLEAD IN FUSELAGE AFT TAIL AREA NEAR HORIZONTAL STABILIZER LEADING EDGE / BATTERY AREA. WAS FOUND BY FAA DURING CERTIFICATION OF 137 OPERATOR.
- [SDR AUS20021099](https://openairdocs.org/sdr/AUS20021099.md): Structure · corroded · Sep 30, 2002 · Piper PA25235 · Trailing Edge Flaps
  > (AUS) LT AND RT TRAILING EDGE FLAPS SEVERELY CORRODED AT HINGE ATTACHMENT TO MAIN SPAR.
- [SDR AUS20020942](https://openairdocs.org/sdr/AUS20020942.md): Bolt · loose · Jul 22, 2002 · Piper PA25235 · Reciprocating Engine Power Section
  > (AUS) ENGINE CRANKSHAFT GEAR RETAINING BOLT LOOSE. THE BOLT HEAD WASWORN DOWN FROM RUBBING ON THE INSIDE OF THE OIL PUMP DRIVESHAFT.THE CRANKSHAFT GEAR ROTATED ON THE BOLT, SHEARING THE DRIVE DOWEL AND GEAR TEETH. THE LH MAGNETO DRIVE GEAR DAMAGED IN AREA WHER
- [SDR 2002F00101](https://openairdocs.org/sdr/2002F00101.md): Flap · malfunctioned · Dec 25, 2001 · N7219Z · Piper PA25235 · Trailing Edge Flap Control System
  > FLT 5629 - PHX-COS - INBOUND TO COS, THE CREW REPORTED A FLAP FAIL CAUTION MESSAGE. THE CREW DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY. ON CALL, MAINTENANCE PERFORMED PART 'A' OF THE AD, RESET THE SYSTEM AND THERE WERE NO FURTHER MESSAGES OF DEFECTS NOTE
- [SDR 2002FA0000079](https://openairdocs.org/sdr/2002FA0000079.md): Impulse Coupling · separated · Sep 30, 2001 · N8903L · Piper PA25235 · Magneto/Distributor
  > DURING GROUND RUN, OPERATOR NOTED A LOUD BANG AND SUDDEN OIL LEAKAGE. AFTER SHUT DOWN FOUND THAT LT MAGNETO CAME OFF THE ACCESSORY HOUSING, CAUSING OIL LEAK. BANG WAS CAUSED BY MAG HOUSING WHICH CAME APART AT UPPER ATTACHMENT AREA (ATACHMENT LUG).
- [SDR 20010606CW004](https://openairdocs.org/sdr/20010606CW004.md): Doubler · corroded · Apr 12, 2001 · N7031Z · Piper PA25235 · Wing Miscellaneous Structure
  > WING WAS BEING DISASSEMBLED FOR RIB REPLACEMENT. REINFORCEMENT PLATE WAS DRILLED OFF AND CORROSION FOUND ON AFT FACE OF SPAR WEB AND FACE OF REINFORCEMENT PLATE. CAUSE: MOISTURE WICKING BETWEEN PLATES AND LACK OF CORROSION PROTECTION.
- [SDR 20010606CW003](https://openairdocs.org/sdr/20010606CW003.md): Spar · corroded · Apr 12, 2001 · N7031Z · Piper PA25235 · Wing Spar
  > WING WAS BEING DISASSEMBLED FOR RIB REPLACEMENT. REINFORCEMENT PLATE WAS DRILLED OFF AND CORROSION FOUND ON AFT FACE OF SPAR WEB AND FACE OF REINFORCEMENT PLATE. CAUSE: MOISTURE WICKING BETWEEN PLATES AND LACK OF CORROSION PROTECTION.
- [SDR 20000814SH003](https://openairdocs.org/sdr/20000814SH003.md): Gasket · inadequate · Aug 14, 2000 · N8785L · Piper PA25235 · Engine Air Intake System
  > THIS AIRCRAFT HAS THE SAME AIR FILTER AND LANDING LIGHT ASSY AS THE PA28140 150-150 WITH BAD GASKETS. SUBMITTER FEELS AD96-10-01-R1 SHOULD APPLY. (X)
- [SDR 99ZZZX4666](https://openairdocs.org/sdr/99ZZZX4666.md): Mount · broken · Nov 8, 1999 · N9649P · Piper PA25235 · Engine Mount Section
  > UPPER LEFT ATTACH POINT.25 INCH AFT OF WASHER IN BACK OF MOUNT RUBBER. NO PART OF BREAK WAS CLOSER THEN.25 INCH OF ANY WELD. BREAK WAS IN PROCESS FOR SOME TIME.
- [SDR CA990728042](https://openairdocs.org/sdr/CA990728042.md): Crankcase · worn · Jul 19, 1999 · Piper PA25235 · Reciprocating Engine Power Section
  > (CAN) WITH THE MAGS REMOVED, MAG DRIVE IDLER WAS FOUND LOOSE. IT WAS NOTED UPON REMOVAL THAT THE CAST BOSS IN THE AFT END OF THE LEFT CRANKCASE WAS FOUND WORN TO THE POINT THAT THE BEARING FAILED AND WAS MISSING. SUBMITTER SUGGESTED NOT TO RUN ENGINE PAST TB
- [SDR AU990515](https://openairdocs.org/sdr/AU990515.md): Hinge · corroded · May 20, 1999 · Piper PA25235 · Ailerons
  > (AUS) AILERON AND FLAP HINGES CORRODED. AIRCRAFT HAD BEEN USED FOR CROP DUSTING.
- [SDR AU981554](https://openairdocs.org/sdr/AU981554.md): Bearing · failed · Nov 24, 1998 · Piper PA25235 · Magneto/Distributor
  > (AUS) LEFT MAGNETO BEARING FAILED. METAL CONTAMINATION OF ENGINE OIL SYSTEM.
- [SDR AU980581](https://openairdocs.org/sdr/AU980581.md): Fitting · cracked · May 29, 1998 · Piper PA25235 · Fuselage, Wing Attach Fittings
  > (AUS) LT AND RT WING/FUSELAGE ATTACHMENT FITTING CLUSTERS CRACKED IN THE FOLLOWING LOCATIONS: LT FORWARD CLUSTER CONTAINED ONE 3MM (0.118 INCH) CRACK IN THE FORWARD LUG LOWER SURFACE AND ONE 7MM (0.275 INCH) CRACK IN THE AFT LUG LOWER SURFACE. RT FORWARD CLU
- [SDR AU971472](https://openairdocs.org/sdr/AU971472.md): Engine · failed · Nov 18, 1997 · Piper PA25235 · Engine (Reciprocating)
  > (AUS) ENGINE STOPPED. INITIAL INVESTIGATION FOUND THE LH MAGNETO DRIVE GEAR TO BE DAMAGED AND THE SUPPORT BEARING FAILED. ROTATING THE PROPELLER DID NOT CAUSE THE REAR CASE GEAR TRAIN TO OPERATE.
- [SDR 97ZZZX4001](https://openairdocs.org/sdr/97ZZZX4001.md): Bladder · failed · Aug 15, 1997 · N4590Y · Piper PA25235 · Fuel Storage
  > PILOT MADE EMERGENCY LANDING DUE TO FUEL STARVATION. FOUND FUEL BLADDER FAILED DUE TO ATTACHING SNAPS WERE UNSNAPPED.
- [SDR 97ZZZX1319](https://openairdocs.org/sdr/97ZZZX1319.md): Spring · broke · Mar 7, 1997 · N8677L · Piper PA25235 · Reciprocating Engine Cylinder Section
  > DURING ASSEMBLY OF THIS ENGINE, 6 SHROUD TUBE SPRINGS WERE INSTALLED, 3 BROKE WHEN THE NUT WAS TIGHTENED. THESE SPRINGS WERE SUPPLIED AS PART OF A PACKET SET FROM SUPERIOR AIR PARTS.
- [SDR AU970114](https://openairdocs.org/sdr/AU970114.md): Tappet · spalled · Jan 29, 1997 · Piper PA25235 · Reciprocating Engine Power Section
  > (AUS) CAMSHAFT NO5 LOBE AND ASSOCIATED TAPPET BODIES (2OFF) SEVERELY SPALLED
- [SDR AU970112](https://openairdocs.org/sdr/AU970112.md): Nut · loose · Jan 29, 1997 · Piper PA25235 · Engine Oil Temperature Regulator
  > (AUS) THERMOSTATIC OIL COOLER BYPASS VALVE (VERNATHERM) NUT LOOSE
- [SDR AU970110](https://openairdocs.org/sdr/AU970110.md): Piston · cracked · Jan 29, 1997 · Piper PA25235 · Reciprocating Engine Cylinder Section
  > (AUS) NO1, NO3 AND NO5 PISTONS CRACKED IN AREA OF SKIRT OPPOSITE TO THE PISTON PIN BOSS - NO1, N3 AND NO5 INDUCTION TUBES FOUND LOOSE ALLOWING UNMETERED AIR INTO ENGINE CAUSING SUSPECTED LEAN MIXTURE - NO5 CYLINDER SPARK PLUGS IN POOR CONDITION - PISTONS ARE H
- [SDR AU970109](https://openairdocs.org/sdr/AU970109.md): Dowel · sheared · Jan 29, 1997 · Piper PA25235 · Reciprocating Engine Power Section
  > (AUS) RH CRANKCASE NO3 DOWEL SHEARED ALLOWING MOVEMENT OF THE MAINBEARINGS - WEAR ALSO TO CRANKCASE TUNNEL AND SCORING OF THE CRANKCASE JOURNAL - DOWEL WAS SUPERCEDED (STEPPED) TYPE
- [SDR 96ZZZX5815](https://openairdocs.org/sdr/96ZZZX5815.md): Control Cable · broken · Nov 12, 1996 · N77852 · Piper PA25235 · Power Lever
  > WHILE RUNNING UP ENGINE AFTER ANNUAL, THROTTLE CABLE BROKE INSIDE THE HOUSING BECAUSE OF EXCESSIVE WEAR. BECAUSE OF THE INCIDENT, INSPECTED 2ND ACFT AND FOUND CABLE WORN THROUGH IN THE SAME SPOT, CABLE IS NEARLY IMPOSSIBLE TO INSPECT. SUBMITTER RECOMMENDS TH
- [SDR 96ZZZX6098](https://openairdocs.org/sdr/96ZZZX6098.md): Rod Bolt · stripped · Oct 24, 1996 · N7545Z · Piper PA25235 · Reciprocating Engine Power Section
  > ROD BOLT APPEARS TO BE TOO SOFT. THREADS STRIPPED CAUSING NR 4 CONNECTING ROD CAP TO COME LOOSE MAKING CONTACT WITH CASE AND NR 3 PISTON. THIS CAUSED MAJOR DAMAGE TO ENGINE.
- [SDR AU961102](https://openairdocs.org/sdr/AU961102.md): Fitting · cracked · Jun 23, 1996 · Piper PA25235 · Wing, Fuselage Attach Fittings
  > (AUS) LH AND RH WING FRONT SPARS CRACKED ON LOWER RADIUS OF FRONT AND REAR WING TO FUSELAGE ATTACHMENT LUGS
- [SDR AU960656](https://openairdocs.org/sdr/AU960656.md): Condenser · faulty · May 13, 1996 · Piper PA25235 · Magneto/Distributor
  > (AUS) MAGNETO CONDENSER SEPARATED FROM MOUNTING LUG - PIGTAIL BROKEN - POINTS BURNT
- [SDR 96ZZZX2024](https://openairdocs.org/sdr/96ZZZX2024.md): Attach · defective · Mar 21, 1996 · N7318Z · Piper PA25235 · Wing, Fuselage Attach Fittings
  > INSPECTED AIRCRAFT FOR NDT-UTT PER AD 95-12-01, RIGHT FORWARD WING SPAR ATTACH. PRELIMINARY INSPECTION SHOWED VISIBLE POCKET INBETWEEN THE STEEL PLATES. WHEN TESTING UTT, A LOW READING WAS DETECTED IN THIS AREA WHICH WAS BELOW THE MINIMUM THICKNESS ALLOWED.
- [SDR 96ZZZX1786](https://openairdocs.org/sdr/96ZZZX1786.md): Attach Fitting · corroded · Mar 1, 1996 · N7685Z · Piper PA25235 · Wing, Fuselage Attach Fittings
  > DURING C/W AD 95-12-01, (FWD SPAR FITTING INSPECTION), HEAVY RUST FOUND INSIDE RT TUBE CLUSTER; MAINLY BEHIND THE CLOSE-OUT PLATE BETWEEN THE ATTACH FITTING LUGS. THIS AREA USUALLY CANNOT BE INSPECTED, BUT IN THIS CASE, THE CLOSE-OUT PLATE WAS EASILY REMOVED
- [SDR 95ZZZX6183](https://openairdocs.org/sdr/95ZZZX6183.md): Contact Points · failed · Sep 12, 1995 · N8566L · Piper PA25235 · Magneto/Distributor
  > CONTACT POINTS' SOFT PLASTIC THAT RIDES THE CAM WORE DOWN UNTIL THERE WAS NO CONTACT POINT OPENING (MAG FAILURE). THE ROTATING MAGNET CONTINUED TO MAKE ELECTRIC ENERGY, SENDING IT TO THE CAPACITOR, OVERLOADING THE CAPACITOR, CAUSING IT TO BURN ITSELF OUT. TH
- [SDR 95ZZZX6182](https://openairdocs.org/sdr/95ZZZX6182.md): Contact Points · failed · Sep 12, 1995 · N8566L · Piper PA25235 · Magneto/Distributor
  > CONTACT POINTS' SOFT PLASTIC THAT RIDES THE CAM WORE DOWN UNTIL THERE WAS NO CONTACT POINT OPENING (MAG FAILURE). THE ROTATING MAGNET CONTINUED TO MAKE ELECTRIC ENERGY, SENDING IT TO THE CAPACITOR, OVERLOADING THE CAPACITOR, CAUSING IT TO BURN ITSELF OUT. TH
- [SDR 95ZZZX5117](https://openairdocs.org/sdr/95ZZZX5117.md): Capacitor · corroded · Aug 27, 1995 · N8566L · Piper PA25235 · Magneto/Distributor
  > MAG REMOVED FOR OVERHAUL AND PACKING OF BEARINGS BECAUSE OF TIME AND ROUGHNESS. CAPACITOR WAS FOUND TO BE LEAKING OR BUILDING CORROSION SIMILAR TO BATTERY CORROSION WHERE THE WIRE EXITS THE CAPACITOR HOUSING. CAPACITOR HAD NOT FAILED, BUT FAILURE WAS IMMINEN
- [SDR 95ZZZX4519](https://openairdocs.org/sdr/95ZZZX4519.md): Bolt · broken · Aug 6, 1995 · N7387Z · Piper PA25235 · Nose/Tail Landing Gear Attach Section
  > BOLT SECURING TAIL WHEEL ASSY TO ACFT BROKE DURING TAKEOFF DURING A GLIDER/TOWING OPERATION. TAIL WHEEL DEFLECTED INTO LOWER PORTION OF RUDDER CAUSING RUDDER DISTORTION. SUBMITTER SUGGESTS BOLT BE REMOVED FOR INSPECTION IF AIRCRAFT IS USED FOR TOWING GLIDERS
- [SDR 95ZZZX5116](https://openairdocs.org/sdr/95ZZZX5116.md): Bearing · failed · Aug 1, 1995 · N8566L · Piper PA25235 · Magneto/Distributor
  > MAG DROP 400 RPM, BUT SMOOTH. FOUND MAGNETO DRIVE BEARING FAILURE, RETARDING TIMING. BALLS OF BEARING COMING OUT OF BEARING CAGE AND EATING UP THE REAR OF CASE AND THEN AFTER MAKING SPACE AVAILABLE, FELL INTO THE ENGINE TIMING GEARS.

## 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 = 'PA25235'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/piper-pa-25-235/reports

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