# NTSB investigations: Piper PA-31-350: Airframe/component/system failure/malfunction

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB NYC07IA164](https://openairdocs.org/ntsb/NYC07IA164.md): Piper PA-31-350 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Jul 11, 2007 · N105GC · Minor damage
  > The mechanic's failure to secure the right engine cowling fasteners. Contributing to the incident was the pilot's inadequate preflight inspection.
- [NTSB ANC07LA059](https://openairdocs.org/ntsb/ANC07LA059.md): Piper PA-31 · Kotzebue, AK · Accident · No injuries · Limited investigation · Final report · Jun 29, 2007 · N3535F · Substantial damage
  > Locked parking brakes and the operator's maintenance personnel's failure to properly secure the parking brake cable at its fuselage attaching clamp.
- [NTSB ANC05LA075](https://openairdocs.org/ntsb/ANC05LA075.md): Piper PA-31-350 · Elim, AK · Accident · No injuries · Limited investigation · Final report · May 10, 2005 · N3535F · Substantial damage
  > An improper installation of a fuel line fitting by company maintenance personnel, which resulted in a fuel leak and subsequent in-flight engine compartment fire during cruise flight that was discovered during the landing roll.
- [NTSB DEN01LA132](https://openairdocs.org/ntsb/DEN01LA132.md): Piper PA-31-350 · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Jul 29, 2001 · N114SA · Substantial damage
  > the failure of the nose landing gear right drag brace (link assembly) due to fatigue.
- [NTSB DEN01LA005](https://openairdocs.org/ntsb/DEN01LA005.md): Piper PA-31-350 · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Sep 27, 2000 · N159SW · Substantial damage
  > Total failure of the right forward inboard landing gear door hinge pin for undetermined reasons.
- [NTSB FTW98IA361](https://openairdocs.org/ntsb/FTW98IA361.md): Piper PA-31-350 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Aug 18, 1998 · N66906 · Minor damage
  > A hydraulic failure due to a ruptured hydraulic line, preventing the extension of the nose and right main landing gear.
- [NTSB FTW97LA206](https://openairdocs.org/ntsb/FTW97LA206.md): Piper PA-31-350 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · May 28, 1997 · N491SC · Substantial damage
  > unlatching of the left outboard engine cowling latches for undetermined reason(s), which allowed the left engine cowling to separate inflight and strike the vertical stabilizer.
- [NTSB ANC97LA041](https://openairdocs.org/ntsb/ANC97LA041.md): Piper PA-31-350 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4105D · Substantial damage
  > a fuel leak from an engine driven fuel pump which initiated an engine fire, and the fuel pump manufacturer's inadequate quality control of the fuel pump.
- [NTSB ANC97IA035](https://openairdocs.org/ntsb/ANC97IA035.md): Piper PA-31-350 · Kotzebue, AK · Incident · No injuries · Incident investigation · Final report · Mar 15, 1997 · N3542H · Minor damage
  > the jammed main landing gear which was caused by a binding main landing gear door with a broken hinge. The fractured, inadequate main landing gear door hinge was also causal.
- [NTSB ANC96FA078](https://openairdocs.org/ntsb/ANC96FA078.md): Piper PA-31-350 · Point Hope, AK · Accident · Serious injuries · Field investigation · Final report · May 24, 1996 · N4109E · Substantial damage
  > The pilot's inadequate preflight to ensure the nose baggage door was properly latched, and the subsequent opening of the baggage compartment door, which allowed items to collide with the left propeller, resulting in propeller damage and loss of thrust from…
- [NTSB ANC90LA062](https://openairdocs.org/ntsb/ANC90LA062.md): Piper PA-31-350 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Apr 17, 1990 · N4109E · Substantial damage
  > Inadequate maintenance and inspection of the nose baggage door.
- [NTSB LAX89FA314](https://openairdocs.org/ntsb/LAX89FA314.md): Piper PA-31-350 · Ontario, CA · Accident · 1 fatal · Field investigation · Final report · Sep 15, 1989 · N70PE · Destroyed
  > Failure of the right propeller hub due to metal fatigue which resulted in catastrophic separation of the propeller. Contributing to the accident was damage done to the aircraft airframe in flight by the separating propeller making the aircraft uncontrollable.
- [NTSB FTW88IA147](https://openairdocs.org/ntsb/FTW88IA147.md): Piper PA-31-350 · Oklahoma City, OK · Incident · No injuries · Incident investigation · Final report · Aug 10, 1988 · N3589B · Minor damage
  > The flight was an instructional flight with three pilots onboard. The airplane departed on runway 17R and was 300 to 400 feet AGL when one blade of the right propeller separated from the hub, followed by the remainder of the propeller. The PIC made an…
- [NTSB MKC84LA006](https://openairdocs.org/ntsb/MKC84LA006.md): Piper PA31-350 · Chillicothe, MO · Accident · No injuries · Limited investigation · Final report · Oct 24, 1983 · N62898 · Substantial damage
  > During arrival, the plt attempted to lower the gear, but only 2 of the 3 would indicate down & safe. The plt was unable to extend the left gear, so he continued flying for aprx 1 hr to burn down fuel, then intentionally landed with the gear up. The landing…
- [NTSB MIA82IA110](https://openairdocs.org/ntsb/MIA82IA110.md): Piper PA-31-350 · Tallahassee, FL · Incident · No injuries · Incident investigation · Final report · Apr 3, 1982 · N41045 · Minor damage
  > While cruising at 8000 feet, the right alternator light came on and the pilot accomplished the required procedures for an alternator failure. Shortly thereafter, he noticed an area of discoloration on the inboard nacelle of the right engine and saw flames…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7103110', '7103125')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7103110&occurrence=130

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