# N331KB: 1978 Piper PA-31T1, registration cancelled 2021-03-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 6, 2021
- Status when cancelled: Valid registration
- Airframe: [Piper PA-31T1](https://openairdocs.org/model/piper-pa-31t1) (registry code 7103126)
- Engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043)
- Data sheets: [TCDS A8EA](https://openairdocs.org/tcds/A8EA), [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs)
- Serial number: 31T-7804009
- Year built: 1978
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: September 22, 1978
- Certificate issued: December 19, 2020
- Last registry action: December 19, 2020
- Mode S code: A39A69
- Owner when cancelled: [Maxair LLC](https://openairdocs.org/faa-owner/MAXAIR%20LLC)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: LLC
- Owner's area on the map: 43.9441° N, 88.5348° W: Placed by OpenAirDocs at the center of ZIP code 54902, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N331KB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=331KB
- Page: https://openairdocs.org/deregistered/N331KB-2021-03-06

From the FAA registry file of October 28, 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-31T1: https://openairdocs.org/model/piper-pa-31t1.md

## Service difficulty reports (1)

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

- [SDR 2017FA0000011](https://openairdocs.org/sdr/2017FA0000011), Dec 2, 2016: CLAMP. LOOSE. AIRCRAFT WAS IN ROUTE TO GRB FROM LAN. SHORTLY AFTER CLIMB OUT AND AIRCRAFT WAS LEVEL IN CRUISE AT 16,000FT PILOT HEARD A LOUD POP AND CABIN DEPRESSURIZED. PILO

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