# N727YK: 1968 Boeing 727-22C, registration cancelled 2009-08-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 5, 2009
- Exported to: Democratic Republic of the Congo
- Status when cancelled: Valid registration
- Airframe: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (registry code 138400F)
- Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053)
- Serial number: 19806
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, acrobatic
- Airworthiness date: May 9, 2005
- Certificate issued: June 25, 2009
- Last registry action: June 25, 2009
- Mode S code: A9BFBD
- Owner when cancelled: [Professional Maintenance Services Inc](https://openairdocs.org/faa-owner/PROFESSIONAL%20MAINTENANCE%20SERVICES%20INC)
- Location: [Hazleton, PA](https://openairdocs.org/faa-place/PA/Hazleton)
- Owner type: Corporation
- Owner's area on the map: 40.9520° N, 75.9539° W: Placed by OpenAirDocs at the center of ZIP code 18201, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N727YK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=727YK
- Page: https://openairdocs.org/deregistered/N727YK-2009-08-05

From the FAA registry file of November 3, 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 Boeing 727-22C: https://openairdocs.org/model/boeing-727-22c.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 NACA20060040](https://openairdocs.org/sdr/NACA20060040), Jun 17, 2006: PIN. INSTALLED. NOSE GEAR WOULD NOT RETRACT AT GEAR UP. REMOVED NOSE GEAR PIN FROM NOSE GEAR.
- [SDR NACA20060012](https://openairdocs.org/sdr/NACA20060012), Mar 1, 2006: DOWNLOCK ARM. DIRTY. RIGHT MAIN GEAR FAILED TO EXTEND ON APPROACH. CYCLED GEAR SEVERAL TIMES BEFORE GEAR WOULD EXTEND. LUBED RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH LINKAGE AND TEST
- [SDR NACA20060011](https://openairdocs.org/sdr/NACA20060011), Feb 23, 2006: INDICATOR. FAILED. ABORTED TAKEOFF DUE TO NO AIRSPEED INDICATION IN CAPTAINS POSITION. REPLACED CAPTAINS AIRSPEED INDICATOR AND TESTED. REF: BMM 34-14-0. OP CHECKED GOOD.
- [SDR NACA20060003](https://openairdocs.org/sdr/NACA20060003), Jan 20, 2006: WIRE. DAMAGED. RIGHT MAIN LANDING GEAR RED LIGHT STAYED ON AFTER GEAR EXTENSION. CYCLED GEAR 4 TIMES BEFORE LIGHT CAME ON. REPLACED DOWNLOCK WIRING IN RIGHT HAND WHEEL WELL AN
- [SDR NACA20060002](https://openairdocs.org/sdr/NACA20060002), Jan 18, 2006: PIN. DEFECTIVE. NO RIGHT MAIN LANDING GEAR LIGHT (GREEN) AFTER CYCLING 3 TIMES IN PAOT. WORKED FINE IN PAFA. REPLACED RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH PINS. REF: BMM 32-
- [SDR NACA20050024](https://openairdocs.org/sdr/NACA20050024), Oct 18, 2005: POSITION SWITCH. MALFUNCTIONED. OUT OF 19,000 FEET NR 4 LEADING EDGE LIGHT CAME ON. AT 11,000 FEET THE LIGHT WENT OUT. REMOVED & REPLACED FLAP POSITION SWITCH. OP CHECKED GOOD IAW UAL 727 AMM 

## Other aircraft with N727YK

- [Registered now](https://openairdocs.org/aircraft/N727YK): Boeing 727-230, S/N 21442

---
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.