# N28CK: Learjet 25, registration cancelled 2005-04-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 7, 2005
- Status when cancelled: Triennial form not returned
- Airframe: [Learjet 25](https://openairdocs.org/model/learjet-25) (registry code 5170506)
- Engine: [GE CJ610-5&6](https://openairdocs.org/engine/ge-cj610-5-6) (registry code 30013)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 045
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Restricted, aerial surveying
- Airworthiness date: June 30, 1988
- Certificate issued: March 21, 2002
- Last registry action: March 15, 2005
- Mode S code: A2CBDE
- Owner when cancelled: [Mtw Aerospace Inc](https://openairdocs.org/faa-owner/MTW%20AEROSPACE%20INC)
- Location: [Montgomery, AL](https://openairdocs.org/faa-place/AL/Montgomery)
- Owner type: Corporation
- Owner's area on the map: 32.3391° N, 86.4011° W: Placed by OpenAirDocs at the center of ZIP code 36108, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N28CK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28CK
- Page: https://openairdocs.org/deregistered/N28CK-2005-04-07

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 25: https://openairdocs.org/model/learjet-25.md

## Service difficulty reports (5)

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

- [SDR 60701N28CK](https://openairdocs.org/sdr/60701N28CK), Jun 8, 2001: SWITCH. DEFECTIVE. AIRCRAFT HYDRAULIC PRESSURE FLUCTUATES. FOUND RIGHT M.L.G. TRUNNION SWITCH OUT OF RIG CAUSING INBOARD GEAR DOORS TO CYCLE SEVERAL TIMES DURING RETRACTION. ADJUS
- [SDR 99ZZZX2967](https://openairdocs.org/sdr/99ZZZX2967), Jul 22, 1999: ACTUATOR. LEAKING. AIRCRAFT LOST HYDRAULIC PRESSURE. RIGHT HAND INBOARD GEAR DOOR ACTUATOR LEAKING HYDRAULIC FLUID. REPLACED RIGHT INBOARD GEAR DOOR ACTUATOR WITH SERVICEABLE UNIT
- [SDR 98ZZZX1096](https://openairdocs.org/sdr/98ZZZX1096), Mar 7, 1998: SEAL. FAILED. RIGHT ENGINE SHUT DOWN IN-FLIGHT DUE TO LOW OIL PRESSURE. REPLACED FILLER NECK SEAL, INSPECTED OIL FILTER AND CHIP DETECTOR. SERVICED WITH MOBILE JET II. GROUND
- [SDR 96ZZZX5974](https://openairdocs.org/sdr/96ZZZX5974), Nov 1, 1996: WIRE. DEFECTIVE. LANDING GEAR UNSAFE LIGHTS STAYED ON WITH GEAR UP. REPAIRED SWITCH WIRES AND ROLLERS IN THROTTLE QUADRANT. CLEANED AREA. CYCLED GEAR, OPS CHECK GOOD.
- [SDR 96ZZZX2900](https://openairdocs.org/sdr/96ZZZX2900), May 6, 1996: ENGINE. FLAME OUT. LEFT AND RIGHT ENGINES EXPERIENCED TURBINE AIR FLAME-OUTS. AIRCRAFT DESCENDED AND ENGINES RESTARTED, UNEVENTFUL LANDING MADE. ENGINES INSPECTED, AND GROUND PERF

## 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 20000519027499I](https://openairdocs.org/incident/20000519027499I), May 19, 2000: Lear 25 (N28CK), Lima, OH. (-23)Immediately after rotation a bird flew in front of the aircraft from left to right. Bird was ingested in right engine and caused engine to stop producing…
- [Incident 19980306007499I](https://openairdocs.org/incident/19980306007499I), Mar 6, 1998: Lear 25 (N28CK), Kansas City, MO. Narrative: aircraft returned to mci due to oil pressure problem. Aircraft landed without incident. Company mechanics repaired oil leak and aircraft was…

## Other aircraft with N28CK

- [Registered now](https://openairdocs.org/aircraft/N28CK): Cessna 525, S/N 525-0210, built 1997

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