# N423EH: Messerschmitt-Boelkow-Blohm BO-105S, registration cancelled 2013-06-04 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: June 4, 2013 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Messerschmitt-Boelkow-Blohm BO-105S](https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (registry code 5626006) - Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU) (OpenAirDocs) - Serial number: S-543 - Type of aircraft: Rotorcraft - Airworthiness: Standard, normal - Airworthiness date: July 30, 1981 - Certificate issued: May 19, 2005 - Last registry action: June 17, 2008 - Mode S code: A50730 - Owner when cancelled: [Era Helicopters LLC](https://openairdocs.org/faa-owner/ERA%20HELICOPTERS%20LLC) - Location: [Lake Charles, LA](https://openairdocs.org/faa-place/LA/Lake%20Charles) - Owner type: Corporation - Owner's area on the map: 30.2266° N, 93.2174° W: Placed by OpenAirDocs: center of Lake Charles, LA, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N423EH - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423EH - Page: https://openairdocs.org/deregistered/N423EH-2013-06-04 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-Boelkow-Blohm BO-105S: https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s.md ## Service difficulty reports (15) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR ERAA097533](https://openairdocs.org/sdr/ERAA097533), Jun 27, 2004: GUIDE. BROKEN. GUIDE ASSY HAS HYD BLOCK LIGHT ON. FOUND SOCKET BROKEN. DISASSEMBLED, CLEANED, INSPECTED, INSTALLED, NEW SOCKET, SPRING, POTTED AND TESTED. INSPECTED AND REPAIR - [SDR ERAA094066](https://openairdocs.org/sdr/ERAA094066), Dec 2, 2003: GEARBOX. MAKING METAL. GEARBOX MAKING METAL. METAL FROM PINION GEAR AND TORQUE METER GEAR. INSTALLED NEW PINION GEAR AND TORQUE METER GEAR. - [SDR ERAA080464](https://openairdocs.org/sdr/ERAA080464), Jul 11, 2002: BOLT. CRACKED. SECONDARY BLADE BOLTS CRACKED UNDER HEAD IN RADIUS. SCRAPPED 3 EA SECONDARY BLADE BOLTS FOR CRACKS IAW MBB BO-105 MAINTENANCE MANUAL CHAPTER 13. - [SDR ERAA077515](https://openairdocs.org/sdr/ERAA077515), Dec 4, 2001: PLUG. DISLODGED. ENGINE IS MAKING METAL. RESI-WELD FE 186 SEALANT PLUG DISLODGED FROM COMPRESSOR MOUNT. SEALANT PLUG LODGED IN OIL PUMP SCAVENGE PORT. THIS DID NOT LET THE OIL S - [SDR ERAA065408](https://openairdocs.org/sdr/ERAA065408), Nov 10, 1999: GEAR. SPALLED. ENGINE MAKING METAL. GEARBOX PINION GEAR AND TORQUE METER GEAR TEETH SPALLING AND PITTING. - [SDR ERAA064508](https://openairdocs.org/sdr/ERAA064508), Oct 4, 1999: AIR FILTER. CRACKED. THERE ARE SEVERAL CRACKS ON FILTER HOUSING ADJACENT TO O-RING BORE. - [SDR ERAA064363](https://openairdocs.org/sdr/ERAA064363), Sep 9, 1999: CARBON SEAL. LEAKING. NEW PART ISSUED TO AIRCRAFT, BUT COULD NOT BE INSTALLED DUE TO SEAL LEAKING DURING LEAK TEST. - [SDR ERAA064356](https://openairdocs.org/sdr/ERAA064356), Aug 25, 1999: SUPPORT. MISREPAIRED. FRONT SUPPORT SENT FOR OVERHAUL, BUT COULD NOT BE INSTALLED DUE TO BEARING BORE OUT OF ALIGNMENT. - [SDR ERAA062928](https://openairdocs.org/sdr/ERAA062928), Jul 8, 1999: SUMP. DAMAGED. NEW SUMP CAN HAS IMPERFECTION ON B-NUT FLARE. ISSUED TO AIRCRAFT BUT COULD NOT BE USED. - [SDR ERAA062927](https://openairdocs.org/sdr/ERAA062927), Jul 8, 1999: VANE. CRACKED. DIFFUSER VANE INSPECTED AND ISSUED TO AIRCRAFT, BUT COULD NOT BE INSTALLED DUE TO CRACKED VANE. INCOMPLETE BRAZE AT END OF VANE. - [SDR ERAA062926](https://openairdocs.org/sdr/ERAA062926), Jul 8, 1999: VANE. DAMAGED. DIFFUSER VANE ISSUED TO AIRCRAFT BUT COULD NOT BE USED DUE TO BROKEN STUD. ALL STUDS HAVE OVERSIZE DIAMETER. - [SDR ERAA062925](https://openairdocs.org/sdr/ERAA062925), Jun 18, 1999: REAR DIFFUSER. MISOVERHAULED. REAR DIFFUSER SENT FOR OVERHAUL AND RETURNED TO ERA 1-21-99. GROOVE ON RIBBED SIDE OF MOUNT EAR, AREA A. ALLISON O/H MANUAL FIG. 6-16. - [SDR ERAA061844](https://openairdocs.org/sdr/ERAA061844), Mar 4, 1999: INDICATOR. MISREPAIRED. RADAR ALTIMETER REPAIRED 1-11-99. WAS INSTALLED AND HAD TO BE REMOVED FROM AIRCRAFT BECAUSE IT INDICATES BETWEEN 8-9 FEET SETTING ON GROUND. - [SDR ERAA96279](https://openairdocs.org/sdr/ERAA96279), Jul 15, 1996: GOVERNOR. FAULTY. #ONE ENGINE WOULD DROP OFF LINE ABOVE IDLE SETTING CAUSING MORE THAN 12% TORQUE SPLIT. GOVERNOR WAS SET AS FAST AS POSSIBLE. GOVERNOR HAS 895.8 HRS SINCE O/H 2/ - [SDR 95ZZZX6944](https://openairdocs.org/sdr/95ZZZX6944), Nov 18, 1995: FIRE DETECTOR. FAULTY. NR 1 FIRE LIGHT BLINKED NUMEROUS TIMES AFTER FLYING THROUGH CONSIDERABLE RAIN. LIGHT WOULD STAY ON FOR 6 OR 7 SECONDS AT A TIME, THEN GO OUT. ## Other aircraft with N423EH - [Registered now](https://openairdocs.org/aircraft/N423EH): Cirrus Design SF50, S/N 0566, built 2024 --- 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.