# N423MA: 1986 Swearingen SA227-AC, registration cancelled 2023-12-07 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: December 7, 2023 - Status when cancelled: Valid registration - Airframe: [Swearingen SA227-AC](https://openairdocs.org/model/swearingen-sa227-ac) (registry code 8780603) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS A8SW](https://openairdocs.org/tcds/A8SW) (OpenAirDocs) - Serial number: AC-636 - Year built: 1986 - Type of aircraft: Fixed wing multi engine - Airworthiness: Standard, normal - Airworthiness date: February 11, 1986 - Certificate issued: April 30, 2007 - Last registry action: September 30, 2023 - Mode S code: A507D8 - Owner when cancelled: [Uas Transervices Inc](https://openairdocs.org/faa-owner/UAS%20TRANSERVICES%20INC) - Location: [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton) - Owner type: Corporation - Owner's area on the map: 26.3746° N, 80.1066° W: Placed by OpenAirDocs at the center of ZIP code 33431, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N423MA - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423MA - Page: https://openairdocs.org/deregistered/N423MA-2023-12-07 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 Swearingen SA227-AC: https://openairdocs.org/model/swearingen-sa227-ac.md ## Service difficulty reports (24) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR JIKA2019020301](https://openairdocs.org/sdr/JIKA2019020301), Feb 3, 2019: MIXING VALVE. DEFECTIVE. THE PILOT REPORTED AFTER TAKEOFF THAT THE COCKPIT FILLED WITH SMOKE. AFTER TURNING THE ACM SELECTOR SWITCH TO THE OFF AND COLD POSITION, THE HEAT POSITION STAYE - [SDR JIKA2018101401](https://openairdocs.org/sdr/JIKA2018101401), Oct 14, 2018: TIRE. DAMAGED. PILOT REPORTED WHILE ENROUTE FROM KBUF TO CYUL, THE CENTER HAD CONTACTED HIM REGARDING A PIECE OF RUBBER FOUND ON THE DEPARTING RUNWAY IN KBUF. REQUESTED A LOW - [SDR JIK2008F00003](https://openairdocs.org/sdr/JIK2008F00003), Jul 3, 2008: ACCUMULATOR. FAILED. AFTER TAKEOFF, BOTH HYDRAULIC PRESSURE LIGHTS CAME ON RIGHT AFTER GEAR RETRACTION. PILOT DECLARED AN EMERGENCY, CONDUCTED AN EMERGENCY GEAR EXTENSION PROCEDURE, - [SDR JIK2008F00002](https://openairdocs.org/sdr/JIK2008F00002), Jul 3, 2008: ACCUMULATOR. FAILED. FOLLOWING TAKEOFF, BOTH HYDR PRESSURE LIGHTS CAME ON RIGHT AFTER GEAR RETRACTION. PILOT DECLARED AN EMERGENCY, CONDUCTED AN EMERGENCY GEAR EXTENSION PROCEDURE, - [SDR MALA975305](https://openairdocs.org/sdr/MALA975305), Jan 28, 1997: SWITCH. LACK OF LUBE. FLT 3099 - ON FINAL APPROACH INTO MSP, NO NOSE GEAR GREEN DOWN LIGHT SLOW TO ILLUMINATE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED AND LUBED SWITCHE - [SDR MALA965161](https://openairdocs.org/sdr/MALA965161), Oct 3, 1996: FRAME. CRACKED. DURING A BLOCK INSPECTION IN MSP, THE LEFT BELT FRAME, FS 242, WL 75.32 WAS FOUND TO BE CRACKED AT THE RELIEF RADIUS, OUTBOARD OF PANEL 403. (M) - [SDR MALA965160](https://openairdocs.org/sdr/MALA965160), Oct 3, 1996: FRAME. CRACKED. DURING A BLOCK INSPECTION IN MSP, THE RIGHT BELT FRAME AT FS 332, WL 75.32 WAS FOUND TO BE CRACKED AT THE RELIEF RADIUS, OUTBOARD OF PANEL 406. (M) - [SDR MALA965159](https://openairdocs.org/sdr/MALA965159), Oct 3, 1996: FRAME. CRACKED. DURING A BLOCK INSPECTION IN MSP, THE RIGHT BELT FRAME AT FS 317 WL 75.32 WAS FOUND TO BE CRACKED AT THE RELIEF RADIUS, OUTBOARD OF PANEL 406. (M) - [SDR MALA965142](https://openairdocs.org/sdr/MALA965142), Sep 18, 1996: SKIN. CHAFED. DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE AFT UPPER CARGO DOOR SKIN JUST FORWARD OF FS 491 CHAFED APPROX .50 INCH. CHAFED DAMAGE CAUSED FROM C - [SDR MALA965141](https://openairdocs.org/sdr/MALA965141), Sep 18, 1996: SKIN. OVERSIZED HOLES. DURING A SCHEDULED INSPECTION IN MSP, AFTER REMOVAL OF AFT LOWER CARGO DOOR FRAME FILLET, P/N 27-24082-9003 AT FS 491, MAINTENANCE FOUND THE FUSELAGE SKIN RIVET - [SDR MALA965140](https://openairdocs.org/sdr/MALA965140), Sep 18, 1996: SKIN. CHAFED. DURING SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND CHAFE DAMAGE AT FS 241 AND ON BOTH SIDES OF BL 0. CHAFE DAMAGE IS APPROX .025 DEEP AND .125 INCH IN DIAMET - [SDR MALA965135](https://openairdocs.org/sdr/MALA965135), Sep 17, 1996: DOOR FRAME. CRACKED. DURING BLOCK INSPECTION IN MSP, MAINTENANCE COMPLETED REPAIR TO FUSELAGE FORWARD CARGO DOOR FRAME P/N 27-22085 AT FS 438 DUE TO .250 INCH CRACK NOTED IN AREA OF - [SDR MALA964894](https://openairdocs.org/sdr/MALA964894), Feb 29, 1996: RETRACT MECH. LACK OF LUBE. DTW - FLT 3386 - ON APPROACH TO DTW THE NOSE GEAR WAS SLOW TO SHOW DOWN AND LOCKED AFTER GEAR EXTENSION. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. AS - [SDR MALA964840](https://openairdocs.org/sdr/MALA964840), Jan 24, 1996: FRAME. CRACKED. DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE PERSONNEL NOTED A CRACK IN THE PASSENGER DOOR AFT FRAME. THEY REPAIRED THE CRACK BY REMOVING 7 INCHES OF THE F - [SDR MALA954712](https://openairdocs.org/sdr/MALA954712), Nov 15, 1995: SOLENOID VALVE. FAILED. FLT NR 3345 - EN ROUTE FROM DTW TO CVG, THE LEFT INTAKE HEAT WOULD NOT FUNCTION WHEN SELECTED ON. THE AIRCRAFT RETURNED TO DTW WITHOUT INCIDENT. MAINTENANCE PER - [SDR MALA954691](https://openairdocs.org/sdr/MALA954691), Oct 31, 1995: SKIN. CRACKED. DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE NOTED THAT THE RIGHT LOWER WING HAD A CRACK AROUND THE RIVET HOLE AT WS 113. REPAIRS WERE COMPLETED BY INSTALL - [SDR MALA954620](https://openairdocs.org/sdr/MALA954620), Sep 6, 1995: DOOR FRAME. CRACKED. DURING A SCHEDULED INSPECTION IN MSP, THE AFT CARGO FUSELAGE FRAME AT FS 491 WAS FOUND TO BE CRACKED AT THE GAS STRUT MOUNT POST HOLE. REPAIRS WERE COMPLETED BY - [SDR MALA954616](https://openairdocs.org/sdr/MALA954616), Sep 1, 1995: SKIN. DENTED. MSP - DURING PRE-FLIGHT INSPECTION, THE CREW NOTED A BIRD STRIKE DENT ON THE LEFT WING EXTENSION. MAINTENANCE PERSONNEL REPAIRED THE WING DENT BY REMOVING A 11. - [SDR MALA954581](https://openairdocs.org/sdr/MALA954581), Aug 13, 1995: CORNER FRAME. DENTED. DURING A SCHEDULED INSPECTION IN MSP, THE PASSENGER DOOR LOWER FRAME WAS FOUND TO BE DENTED. REPAIRS WERE COMPLETED BY REPLACING THE CORNER FRAME, P/N 27-24044- - [SDR MALA954510](https://openairdocs.org/sdr/MALA954510), Jun 20, 1995: UPLOCK HOOK. BROKEN. FFM - FLT 3074 - AFTER TAKEOFF, NOSE LANDING GEAR WOULD CYCLE PARTIALLY OUT+OF +HEEL WELL. NO GEAR INDICATIONS WOULD ILLUMINATE. THE FLIGHT CONTINUED TO MSP WIT - [SDR MALA954478](https://openairdocs.org/sdr/MALA954478), May 29, 1995: SWITCH. FAILED. MSP - FLT 3218 - ON CLIMB-OUT FROM MSP, THE GEAR WARNING HORN SOUNDED. THE WARNING HORN CONTINUED TO SOUND UNTIL THE GEAR WAS SELECTED DOWN. THE AIRCRAFT RETURN - [SDR MALA954477](https://openairdocs.org/sdr/MALA954477), May 28, 1995: COMPUTER. FAILED. MSP - FLT 3352 - ON CLIMB-OUT FROM MSP, THE GEAR WARNING HORN BEGAN TO SOUND. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. - [SDR MALA954281](https://openairdocs.org/sdr/MALA954281), Jan 30, 1995: RIB. CHAFED. DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE RIGHT FLAP INBOARD END RIB TO HAVE CHAFING DAMAGE FROM CONTACT WITH THE SWING LINK BRACKET. REPAIRS - [SDR MALA954233](https://openairdocs.org/sdr/MALA954233), Jan 7, 1995: UPLOCK SWITCH. FAILED. FLT NR 3496 - ON APPROACH TO MSP, THE NOSE GEAR INTRANSIT LIGHT AND DOWN AND LOCKED LIGHT WAS SLOW TO ILLUMINATE. THE AIRCRAFT CONTINUED TO MSP. MAINTENANCE REP --- 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.