# N3BT: 1977 Piper PA-31-350, registration cancelled 2024-02-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 1, 2024
- Status when cancelled: Sale reported
- Airframe: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (registry code 7103110)
- Engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532)
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs)
- Serial number: 31-7752172
- Year built: 1977
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: September 22, 1977
- Last registry action: October 4, 2023
- Mode S code: A31ACB
- Location: Sioux Lookout, Canada
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3BT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3BT
- Page: https://openairdocs.org/deregistered/N3BT-2024-02-01

From the FAA registry file of October 31, 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 (9)

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

- [SDR JIKA2018041260001](https://openairdocs.org/sdr/JIKA2018041260001), Apr 13, 2018: ENGINE. MAKING METAL. AFTER DEPARTING, THE PILOT NOTICE DURING CLIMB THROUGH 9000 TO 10500 FEET THAT THE MANIFOLD PRESSURE ON THE LEFT ENGINE WAS SLOWLY DROPPING. AS THE PILOT ATTEMP
- [SDR JIKA2016092201](https://openairdocs.org/sdr/JIKA2016092201), Sep 22, 2016: ENGINE. MAKING METAL. THE PILOT REPORTED DURING CLIMBOUT THAT THE LT ENGINE WAS SURGING AND LACKING IN PERFORMANCE. THE LT OIL PRESSURE WAS LOW BUT STILL IN THE GREEN, THE CYLINDER H
- [SDR JIKA2016010801](https://openairdocs.org/sdr/JIKA2016010801), Jan 8, 2016: INDICATION SYS. MALFUNCTIONED. DURING APPROACH, THE PILOT SELECTED THE LG TO THE EXTEND POSITION. THE PILOT NOTICED THE LT MLG LIGHT DID NOT ILLUMINATE. THE PILOT TRIED TO CYCLE THE GEAR WITH
- [SDR JIKA201602230001](https://openairdocs.org/sdr/JIKA201602230001), Oct 16, 2015: PUMP. MALFUNCTIONED. THE ENG OVERHAUL SHOP PERFORMED A COMPLETE TEAR DOWN & EVALUATION OF THE ENG DUE TO METAL IN THE OIL FILTER. TEAR DOWN REPORT SHOWED NO VISIBLE CAUSE FOR THE ME
- [SDR JIKA2015101601](https://openairdocs.org/sdr/JIKA2015101601), Oct 16, 2015: ENGINE. POWER LOSS. EN-ROUTE THE PILOT REPORTED THAT THE RT ENG WAS LOSING POWER, THE OIL PRESS WAS DECREASING & THE OIL TEMPERATURE & CYLINDER HEAD TEMPERATURE WERE INCREASING. TH
- [SDR JIKA2015032401](https://openairdocs.org/sdr/JIKA2015032401), Mar 24, 2015: FLUID. LOW. DURING APPROACH, THE PILOT SELECTED THE LG HANDLE TO THE EXTEND POSITION, ONLY THE LT MAIN GEAR POSITION INDICATOR LIGHT ILLUMINATED. THE PILOT CYCLED THE LG HA
- [SDR JIK2008F00005](https://openairdocs.org/sdr/JIK2008F00005), Oct 14, 2008: EXHAUST DUCT. CRACKED. AFTER DEPARTURE, AT ABOUT 1000 FEET AGL, THE PILOT REPORTED THAT THE LT ENGINE MANIFOLD PRESSURE DROPPED SUDDENLY, THE ENGINE SURGED AND THEN QUIT RUNNING. THE 
- [SDR 96ZZZX665](https://openairdocs.org/sdr/96ZZZX665), Sep 30, 1995: ENGINE. MALFUNCTION. AFTER TAKEOFF, RT ENGINE SURGED AND PILOT NOTICED A DROP IN FUEL FLOW. PILOT ELECTED TO RETURN TO BUR. PERFORMED COMPRESSION CHECK, CHECKED PROP DOME PRESSURE, 
- [SDR 95ZZZX3999](https://openairdocs.org/sdr/95ZZZX3999), Jun 29, 1995: ROD END. FAILED. PILOT REPORTED THE RIGHT MAIN GEAR WOULD NOT UNLOCK AND RETRACT. MAINTENANCE FOUND FOLLOWING DISCREPANCIES: THE MAIN GEAR ACTUATOR ROD END (PN IS NOT LISTED IN 

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR09LA013](https://openairdocs.org/ntsb/WPR09LA013), Oct 14, 2008: Piper PA-31-350 (N3BT), Portland, OR, substantial damage. Probable cause: An in-flight engine fire due to the fatigue fracture of an exhaust pipe that resulted from a failure of the pipe's slip joint.

## FAA accident and incident reports (3)

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 20110628012469I](https://openairdocs.org/incident/20110628012469I), Jun 28, 2011: Piper PA-31-350 (N3BT), Burbank, CA, Minor damage. During taxi from amf ramp to rwy 33, turned right on taxiway charlie. In the low-light environment, pilot followed the wrong line and struck a taxi-way light…
- [Accident 20081014849739A](https://openairdocs.org/incident/20081014849739A), Oct 14, 2008: Piper PA31350 (N3BT), Portland, OR, Substantial damage. (-23) Pilot departed pdx at 0805 am on part 135 cargo flight and at 1000 ft MSL noticed left manifold pressure drop 6 inches below right engine, felt a surge…
- [Incident 19981014034229I](https://openairdocs.org/incident/19981014034229I), Oct 14, 1998: Piper PA31350 (N3BT), Phoenix, AZ, No damage. When cleared for takeoff pilot taxied to FAR side of runway and lined up on edge line rather from center line. Struck runway edge light with right prop. Pilot…

---
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.