# N684JJ: 1979 Piper PA-31-350, registration cancelled 2010-02-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 4, 2010
- Exported to: Peru
- Status when cancelled: Valid registration
- Airframe: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (registry code 7103110)
- Engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533)
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Serial number: 31-7952194
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: August 26, 1979
- Certificate issued: March 20, 2009
- Last registry action: March 20, 2009
- Mode S code: A912E4
- Owners when cancelled: [Unlimited Aviation Inc](https://openairdocs.org/faa-owner/UNLIMITED%20AVIATION%20INC), [Kjos Chris](https://openairdocs.org/faa-owner/KJOS%20CHRIS), [Bell-Greenbaum Evan](https://openairdocs.org/faa-owner/BELL-GREENBAUM%20EVAN)
- Location: [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)
- Owner type: Co-owned
- Owner's area on the map: 26.1413° N, 80.1192° W: Placed by OpenAirDocs at the center of ZIP code 33304, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N684JJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=684JJ
- Page: https://openairdocs.org/deregistered/N684JJ-2010-02-04

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Piper PA-31-350: https://openairdocs.org/model/piper-pa-31-350.md

## Service difficulty reports (6)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2009F00058](https://openairdocs.org/sdr/2009F00058), Aug 12, 2009: STARTER. BROKEN. LT ENG FAILED TO START. FOUND THE AFT END CAP OF STARTER MOTOR COMPLETELY SEPARATED FROM STARTER MOTOR HSG, CRACKED 360 DEGREES AROUND CIRCUMFERENCE OF THE MOTO
- [SDR F2P2008F00001](https://openairdocs.org/sdr/F2P2008F00001), Sep 24, 2008: HOUSING. CRACKED. RT ENGINE FAILED TO START ON GROUND. FOUND REAR OF STARTER MOTOR HOUSING WITH 2 INCH X 2 INCH HOLE LOCATED AT THE BRUSH HOUSING. (K)
- [SDR F2P2005F00001](https://openairdocs.org/sdr/F2P2005F00001), Jun 21, 2005: SWITCH. BURNED. PILOT REPORTED SMELL OF SMOKE IN COCKPIT, WHEN PILOT TURNED AIR CONDITION OFF AND CABIN FAN ON PRIOR TO TAKEOFF. TAXIED BACK TO MAIN, REMOVED OVERHEAD PANEL, FO
- [SDR F2P2003F00000](https://openairdocs.org/sdr/F2P2003F00000), Aug 21, 2003: PUMP. INOPERATIVE. PILOT REPORTED ROUGH RUNNING RT ENGINE IN FLIGHT WITH HIGH PRESSURE BOOST PUMP SELECTED ON. PILOT STATED (WITH BOOST PUMP ON ENGINE WANTED TO QUITE RUNNING. WHE
- [SDR 95ZZZX3084](https://openairdocs.org/sdr/95ZZZX3084), Apr 26, 1995: CYLINDER. HOLE. DURING AN APPROACH TO LANDING, PILOT REPORTED A VIBRATION IN THE LEFT ENGINE AND OIL LEAKING FROM THE COWLING. HE PERFORMED A PRECAUTIONARY SHUT DOWN AND MADE A
- [SDR 95ZZZX2429](https://openairdocs.org/sdr/95ZZZX2429), Apr 26, 1995: CYLINDER. HOLED. DURING AN APPROACH TO LANDING, PILOT REPORTED A VIBRATON IN THE LEFT ENGINE AND OIL LEAKING FROM COWLING. A PRECAUTIONARY SHUT DOWN MADE AND PILOT MADE AN UNEVE

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19870109016319I](https://openairdocs.org/incident/19870109016319I), Jan 9, 1987: Piper PA31350 (N684JJ), Morristown, NJ, Minor damage. The aircraft experienced an engine fire in flight. Cylinder blow hole was causing an oil fire in turbocharger.
- [Incident 19850801052069I](https://openairdocs.org/incident/19850801052069I), Aug 1, 1985: Piper PA31350 (N684JJ), Saratoga Spring, NY, Minor damage. Rough engines and high CHT on climb. Aircraft had been fueled with jet fuel. Engines to be changed.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.