# N587MC: Messerschmitt-Bolkow-Blohm BK 117 A-4, registration cancelled 2020-12-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 4, 2020
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Messerschmitt-Bolkow-Blohm BK 117 A-4](https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-a-4) (registry code 5626017)
- Engine: [Lycoming LTS-101 series](https://openairdocs.org/engine/lycoming-lts-101-series) (registry code 41560)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU), [TCDS E5NE](https://openairdocs.org/tcds/E5NE) (OpenAirDocs)
- Serial number: 7086
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: July 7, 1988
- Certificate issued: March 8, 2000
- Last registry action: July 11, 2019
- Mode S code: A790FF
- Owner when cancelled: [Milwaukee Regional Medical Center Inc](https://openairdocs.org/faa-owner/MILWAUKEE%20REGIONAL%20MEDICAL%20CENTER%20INC)
- Location: [Waukesha, WI](https://openairdocs.org/faa-place/WI/Waukesha)
- Owner type: Corporation
- Owner's area on the map: 43.0186° N, 88.2940° W: Placed by OpenAirDocs at the center of ZIP code 53188, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N587MC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=587MC
- Page: https://openairdocs.org/deregistered/N587MC-2020-12-04

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 Messerschmitt-Bolkow-Blohm BK 117 A-4: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-a-4.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 QMLA2018050118052](https://openairdocs.org/sdr/QMLA2018050118052), May 1, 2018: MOUNT. CORRODED. DURING ROUTINE MAINTENANCE, THE MAIN TRANSMISSION DRIP PAN WAS REMOVED FOR OIL CHANGE WHEN IT WAS DISCOVERED THAT THE LOAD SIDE MOUNT WAS BROKEN IN HALF. AFTER 
- [SDR QMLA1112200808053](https://openairdocs.org/sdr/QMLA1112200808053), Nov 12, 2008: STRUCTURE. CRACKED. 1" CRACK FOUND IN LEFT UPPER NOSE COMPARTMENT.
- [SDR BAQA095539](https://openairdocs.org/sdr/BAQA095539), Jun 23, 2004: BOLT. UNSERVICEABLE. MAIN ROTOR BLADE BOLT WERE MANUFACTURED WITH THE CENTER HOLE TO SMALL TO ACCEPT WASHER P/N 117-181001.02.
- [SDR BAQA093833](https://openairdocs.org/sdr/BAQA093833), Mar 9, 2004: ROTOR SHAFT. INOPERATIVE. MAST MOMENT SHAFT INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. 03/18/2004
- [SDR BAQA091494](https://openairdocs.org/sdr/BAQA091494), Dec 4, 2003: BUSHING. WORN. TAIL ROTOR ACTUATOR LOWER ATTACHMENT FITTING BUSHING BEARING WORN. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA088351](https://openairdocs.org/sdr/BAQA088351), Jul 24, 2003: FUEL FILTER. WILL NOT TEST. FUEL FILTER BYPASS TEST FAILED. REPLACED WITH SERVICEABLE UNIT.

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