# N370SC: 1993 Learjet 31A, registration cancelled 2010-04-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 23, 2010
- Exported to: Mexico
- Status when cancelled: Valid registration
- Airframe: [Learjet 31A](https://openairdocs.org/model/learjet-31a) (registry code 5170531)
- Engine: [AiResearch TFE731 series](https://openairdocs.org/engine/airesearch-tfe731-series) (registry code 01518)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 070
- Year built: 1993
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: January 30, 1993
- Certificate issued: July 22, 2009
- Last registry action: July 22, 2009
- Mode S code: A4355E
- Owner when cancelled: [It & Associates Inc](https://openairdocs.org/faa-owner/IT%20%26%20ASSOCIATES%20INC)
- Location: [St Charles, IL](https://openairdocs.org/faa-place/IL/St%20Charles)
- Owner type: Corporation
- Owner's area on the map: 41.9306° N, 88.2987° W: Placed by OpenAirDocs at the center of ZIP code 60174, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N370SC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=370SC
- Page: https://openairdocs.org/deregistered/N370SC-2010-04-23

From the FAA registry file of October 29, 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 Learjet 31A: https://openairdocs.org/model/learjet-31a.md

## Service difficulty reports (3)

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

- [SDR WIB2002F00001](https://openairdocs.org/sdr/WIB2002F00001), Mar 29, 2002: FUEL CONTROL. INOPERATIVE. FCU - SLOW TO START, NO POWER LEVER AUTHORITY IN MANUAL MODE.
- [SDR WIB2002F00000](https://openairdocs.org/sdr/WIB2002F00000), Mar 13, 2002: VALVE. INOPERATIVE. RIGHT EMERGENCY PRESSURIZATION VALVE WOULD NOT CLOSE AFTER ENGINE START, WAS INTERMITTENT PROBLEM. APPEARS THAT THE VALVE HAS NO LUBRICATION AND STICKS.
- [SDR 2001FA0000503](https://openairdocs.org/sdr/2001FA0000503), Nov 6, 2001: STRINGER. CRACKED. THE RIB IS CRACKED IN 3 EACH PLACES WERE IT ATTACHES TO SKIN CRACKS ORIGINATE FROM RIVETS AND CRACKING TOWARDS OTHER RIVETS.

## Other aircraft with N370SC

- [Registered now](https://openairdocs.org/aircraft/N370SC): Czech Sport Aircraft A S SPORTCRUISER, S/N C0597, built 2017

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