# Service difficulty reports: Piper PA 31P 350

A list on [Piper PA 31P 350](https://openairdocs.org/model/piper-pa-31p-350.md).

Newest first. General aviation reporting is voluntary.

- [SDR 5JGA2020030600000](https://openairdocs.org/sdr/5JGA2020030600000.md): Master Cylinder · failed · Mar 6, 2020 · N9202Y · Piper PA31P350 · Master Cylinder/Brake Valve
  > THE PILOT EXPERIENCED A TOTAL FAILURE OF THE LEFT BRAKE SYSTEM DURING LANDING, NO EXTERNAL LEAKS WERE DETECTED FOLLOWING INSPECTION AND THE RESERVOIR WAS FULL, AIR WAS NOTED IN THE RESERVOIR IMMEDIATELY DURING THE BLEEDING PROCEDURE.
- [SDR 2017FA0000120](https://openairdocs.org/sdr/2017FA0000120.md): Pump · defective · Mar 22, 2017 · N4085K · Piper PA31P350 · Engine Fuel Pump
  > ENGINE DRIVEN PUMP FAILED TO MAINTAIN PROPER FUEL PRESSURE.
- [SDR CA150310011](https://openairdocs.org/sdr/CA150310011.md): Valve Spring · broken · Mar 9, 2015 · Piper PA31P350 · Reciprocating Engine Cylinder Section
  > (CAN) RIGHT ENG WAS SHOWING HIGH MANIFOLD PRESS AT LOW RPM & A SPLIT FUEL FLOW INDICATION FROM THE LT ENG. SEVERAL THINGS WERE TRIED BUT THE MP PRESS REMAINED HIGH. NR 3 CYLINDER FAILED A COMPRESSION TEST DURING DIAGNOSTICS, SO UPON REMOVING THE ROCKER COVER
- [SDR BSYA2009040](https://openairdocs.org/sdr/BSYA2009040.md): Bolt · pulled · Jul 18, 2009 · N3587P · Piper PA31P350 · Reciprocating Engine Cylinder Section
  > AFTER TAKEOFF OUT OF SYR RIGHT ENGINE MANIFOLD PRESSURE DROPPED. AIRCRAFT THEN RETURNED TO SYR WITHOUT ANY PROBLEMS. MAINTENANCE FOUND NR 5 CYLINDER INTAKE PIPE HOLD DOWN BOLT PULLED THE THREADS OUT OF CYLINDER. MAINTENANCE HELICOILED CYLINDER, OPS CHECKED
- [SDR BSYA2009018](https://openairdocs.org/sdr/BSYA2009018.md): Nozzle · dirty · Mar 3, 2009 · N3547C · Piper PA31P350 · Fuel Injector Nozzle
  > RIGHT ENGINE STARTED SURGING AFTER TAKEOFF OUT OF CHO PILOT THEN RETURNED TO CHO NO PROBLEMS. MAINTENANCE FOUND NR 1 CYLINDER COLD, CLEANED FUEL NOZZLE OPS CHECKS GOOD.
- [SDR BSYA2009020](https://openairdocs.org/sdr/BSYA2009020.md): Nozzle · obstructed · Feb 21, 2009 · N4UE · Piper PA31P350 · Fuel Injector Nozzle
  > ON TAKEOFF OUT OF BUY RIGHT ENGINE STARTED SURGING, RETURNED TO BUY. MAINTENANCE FOUND TWO FUEL NOZZLES PARTIALLY PLUGGED. CLEANED NOZZLES, OPS CHECKS GOOD.
- [SDR BSYA200500015](https://openairdocs.org/sdr/BSYA200500015.md): Switch · dirty · Oct 18, 2005 · N3587P · Piper PA31P350 · Landing Gear Position and Warning
  > AIRCRAFT FLYING FROM BUF TO ALB GOT A GEAR UNSAFE LIGHT. PILOT ELECTED TO LAND AT ROC. AIRCRAFT MAINTENANCE JACKED AIRCRAFT, CLEANED AND LUBED SWITCH. OPS CHECKED GOOD OK FOR SERVICE.
- [SDR BSYA200500010](https://openairdocs.org/sdr/BSYA200500010.md): Bearing · worn · Jun 1, 2005 · N3590D · Piper PA31P350 · Exhaust Turbocharger
  > ON TAKEOFF OUT OF BUF TOWER NOTICED A LOT OF SMOKE, PILOT ABORTED TAKEOFF AND WAS TOWED BACK. MAINTENANCE FOUND BEARING GONE IN THE TURBO CHARGER AND OIL LEAKING INTO THE EXHAUST. REMOVED AND REPLACED TURBO CHARGER, OPS CHECKS GOOD.
- [SDR BSYA200500004](https://openairdocs.org/sdr/BSYA200500004.md): Actuator · broken · Mar 2, 2005 · N42HD · Piper PA31P350 · Landing Gear Actuator
  > AIRCRAFT TOOK OFF, PILOT NOTICED LANDING GEAR HANDLE NOT RETURNING TO NEUTRAL AND THAT THE AC WAS YAWING. ON APPROACH, COULD NOT GET LT GEAR DOWN AND LOCK LIGHT, C/W MISSED APPROACH, THEN FINALLY GOT LT GEAR DOWN AND LOCK LIGHT, LANDED WITH NO PROBLEMS. MAI
- [SDR 2001FA0000477](https://openairdocs.org/sdr/2001FA0000477.md): Armature · improper · Oct 15, 2001 · Piper PA31P350 · Air Distribution Fan
  > FAN WAS TESTED AND FOUND NOT TO RUN, FAN WAS DISASSEMBLED AND FOUND TO HAVE A BRUSH LEAD WIRE CUT. THIS CAUSED THE FAN TO FAIL. THE FAN HAS AN ARMATURE IN IT THAT IS NOT OF MFG DESIGN AND DOES NOT MEET MFG SPECIFICATIONS. THE ARMATURE LAMINATIONS ARE NOT PR
- [SDR 2001FA0000344](https://openairdocs.org/sdr/2001FA0000344.md): Armature · wrong part · Aug 15, 2001 · Piper PA31P350 · Air Distribution Fan
  > FAN RETURNED TO MFG FOR OVERHAUL, THE FAN WAS DISASSEMBLED AND FOUND TO HAVE AN ARMATURE OF NOT MFG DESIGN. INSTALLED THE ARMATURE LAMINATIONS ARE NOT COATED, ALLOWING THE ARMATURE TO RUST. THE WINDINGS HAVE EXCESSIVE COATING WHICH CAUSED THE ARMATURE TO RUB
- [SDR 2001FA0000349](https://openairdocs.org/sdr/2001FA0000349.md): Cylinder · damaged · Jul 23, 2001 · N184JB · Piper PA31P350 · Reciprocating Engine Cylinder Section
  > WHILE IN CRUISE CONFIGURATION AT 16500 FEET, 32 INCH HG/2200 RPM THE PILOT NOTED A SHUTTER FOLLOWED BY A DROP IN MANIFOLD PRESSURE RESULTED. WITHIN 60 SECONDS THE MANIFOLD PRESSURE FLUCTUATED RAPIDLY, FOLLOWED BY A LOUD BANG. THE ENGINE WAS SECURED AND AN UN
- [SDR 20010403CW002](https://openairdocs.org/sdr/20010403CW002.md): Magneto · broken · Apr 3, 2001 · N9225Y · Piper PA31P350 · Magneto/Distributor
  > RIGHT ENGINE FAILED DURING CRUISE FLIGHT IN IMC. MAG HOUSING FLANGES BROKE AND MAG FELL OUT OF ACCESSORY MOUNT. ENGINE FACTORY OVERHAUL WITH THIS NEW MAG 3/27/00. NO SIGNS OF OIL LEAKAGE BEFORE FAILURE. ENGINE FEATHERED AND AIRCRAFT RETURNED WITHOUT INCIDE
- [SDR 20000413SH063](https://openairdocs.org/sdr/20000413SH063.md): Flyweight · cracked · Mar 24, 2000 · N9238Y · Piper PA31P350 · Propeller Governor
  > CRACK INDICATION AT DRIVE END OF BASE. (X)
- [SDR 97ZZZX3741](https://openairdocs.org/sdr/97ZZZX3741.md): Hose · leak · Aug 6, 1997 · N4157E · Piper PA31P350 · Aircraft Fuel Distribution System
  > AEROQUIPT 601000-8D-0130 HOSE WAS FOUND LEAKING (FAST DRIP) ON INSPECTION. SIMILAR HOSE ON OTHER SIDE OF AIRCRAFT SEEPING. PART LOCATION RT WING ROOT. CURRENT DATES, A2Q91, CD3Q90, PT-4-91, 06827, RUBBER PSI-1000. INSTALLED 4-25-91, 667.1 HOURS. TIME NOW,
- [SDR 97ZZZX4205](https://openairdocs.org/sdr/97ZZZX4205.md): Actuator · faulty · Aug 1, 1997 · N237MA · Piper PA31P350 · Landing Gear Actuator
  > PILOT REPORTED INDICATION OF UNWANTED LANDING GEAR EXTENSION. AFTER TROUBLESHOOTING HYDRAULIC SYSTEM, FOUND RT MAIN ACTUATOR O-RING AND SCRAPER SEAL ARE OLD. TEST FLIGHT OK, NO PROBLEM.
- [SDR 98ZZZX3266](https://openairdocs.org/sdr/98ZZZX3266.md): Seal · failed · Jan 27, 1997 · N134DE · Piper PA31P350 · Reciprocating Engine Oil System
  > WHILE IN CRUISE AT FL 250, PROPELLER RPM WAS TO 1200 AND OIL PRESSURE TO ZERO. ENGINE WAS FEATHERED AND SHUT DOWN AND A SAFE LANDING WAS MADE. INVESTIGATION REVEALED PROPELLER SHAFT SEAL HAD COME LOOSE AND WAS LOOSE ON SHAFT. SUSPECT BREATHER SYSTEM HAD FRO
- [SDR 97ZZZX384](https://openairdocs.org/sdr/97ZZZX384.md): Hub · corroded · Nov 5, 1996 · Piper PA31P350 · Propeller Hub Section
  > INSP FOUND PROP ASSY P/N 1594-1 CORRODED.
- [SDR EY2R9601173](https://openairdocs.org/sdr/EY2R9601173.md): Spring · corroded · Oct 1, 1996 · Piper PA31P350 · Propeller Assembly
  > CORROSION FOUND ON FEATHERING SPRING.
- [SDR 96ZZZX680](https://openairdocs.org/sdr/96ZZZX680.md): Pump · separated · Dec 19, 1995 · N92444 · Piper PA31P350 · Vacuum Distribution System
  > VACUUM PUMP WAS REPORTED INOP. UNCOWLED ENGINE. FOUND PUMP LAYING IN ENGINE COMPARTMENT SEPARATED IN 2 PIECES. CASTING FAILURE.
- [SDR 96ZZZX32](https://openairdocs.org/sdr/96ZZZX32.md): Injector Tube · broken · Nov 28, 1995 · N9224Y · Piper PA31P350 · Reciprocating Engine Cylinder Section
  > PILOT REPORTED LT ENGINE RAN ROUGH & RPM WAS LOW ON TAKEOFF. TAKEOFF ABORTED. FOUND LT ENG, NR 4 CYL FUEL INJECTOR TUBE FROM FUEL MANIFOLD TO FUEL INJECTOR NOZZLE BROKEN AT SOLDERED FITTING ON MANIFOLD END OF TUBE. TUBE APPEARED TO HAVE BEEN PREVIOUSLY BENT
- [SDR 95ZZZX6008](https://openairdocs.org/sdr/95ZZZX6008.md): Intercooler · cracked · Sep 25, 1995 · N50RN · Piper PA31P350 · Exhaust Turbocharger
  > INSPECTION FOUND A CRACK INITIATED IN THE RADIUS OF A MACHINED AREA FOR THE LT SUPPORT BRACKET, AND PROPOGATED FORE AND AFT. THIS IS THE SECOND FAILURE FOUND OF THIS TYPE ON THE MOJAVE INTERCOOLERS. CURRENTLY, THERE ARE NO NEW PARTS AVAILABLE AND NO REPAIR D

## 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 = 'PA31P350'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/piper-pa-31p-350/reports

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