# N491SH: Mcdonnell Douglas DC-9-82(MD-82), registration cancelled 2008-01-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: January 10, 2008 - Status when cancelled: Triennial form not returned - Airframe: [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82) (registry code 3022082) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (OpenAirDocs) - Serial number: 49150 - Type of aircraft: Fixed wing multi engine - Certificate issued: November 15, 2004 - Last registry action: November 20, 2007 - Mode S code: A61567 - Owner when cancelled: [Allegiant Air LLC](https://openairdocs.org/faa-owner/ALLEGIANT%20AIR%20LLC) - Location: [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas) - Owner type: Corporation - Owner's area on the map: 36.2332° N, 115.2903° W: Placed by OpenAirDocs at the center of ZIP code 89129, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N491SH - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=491SH - Page: https://openairdocs.org/deregistered/N491SH-2008-01-10 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 Mcdonnell Douglas DC-9-82(MD-82): https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82.md ## Service difficulty reports (20) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR ASMF200408006](https://openairdocs.org/sdr/ASMF200408006), Aug 7, 2004: PROXIMITY SWITCH. DAMAGED. DURING TRANSIT CHECK, CAPTAIN REPORTED SLAT DISAGREE LIGHT TURNED ON. PSEU WAS TESTED SHOWING FAIL CODES 510 AND 580. PSEU WAS REPLACED IAW 34-19-01, BUT FAIL C - [SDR ASMF200406016](https://openairdocs.org/sdr/ASMF200406016), Jun 17, 2004: DAMPER. JAMMED. AIRCRAFT RETURNED TO PLATFORM, DURING TAXING AND ELEVATOR CONTROL TEST, CAPTAIN REPORTED ELEVATOR JAMMED. ELEVATOR CONTROL SYSTEM WAS CHECKED AND DAMAGE WAS DET - [SDR ASMF200406010](https://openairdocs.org/sdr/ASMF200406010), Jun 12, 2004: WARNING LIGHT. ILLUMINATED. AIRCRAFT REJECTED TAKE OFF AT 110 KNOTS AND RETURNED TO PLATFORM, (RT STRAINER CLOGGING) LIGHT TURNED ON. RT FILTER WAS REMOVED, CHECKED, CLEANED AND ENGINE OIL - [SDR ASMF200405022](https://openairdocs.org/sdr/ASMF200405022), May 19, 2004: SWITCH. OUT OF ADJUST. AIRCRAFT RETURNED TO PLATFORM, (TAKE OFF) WARNING FLAG SHOWS, DURING TAKE OFF CONFIGURATION. DURING MAINTENANCE REVISION, FLAPS WERE OPERATED AND FAIL CONTINUE. - [SDR ASMF200403003](https://openairdocs.org/sdr/ASMF200403003), Mar 7, 2004: PROXIMITY SWITCH. FAILED. DURING TRANSIT CHECK THE RIGHT AIR CONDITIONING TEMPERATURE CONTROL WAS OUT OF SERVICE. ADDITIONALLY, DURING TAKEOFF THE NOSE LANDING GEAR RED LIGHT WAS NOT TUR - [SDR MEX2004007](https://openairdocs.org/sdr/MEX2004007), Jan 5, 2004: INDICATOR. MALFUNCTIONED. AIRCRAFT RETURNED TO PLATFORM AFTER ENGINES STARTING THE PO ALTIMETER FLAG CAME ON. CADC NR 2 WAS RESEATED AND TESTED IAW MM, ALL TESTED CORRECT. THE FLAG DISAP - [SDR MEX2003488](https://openairdocs.org/sdr/MEX2003488), Oct 14, 2003: DOOR. DAMAGED. AFTER AIRCRAFT LANDED THRUST REVERSERS WERE EXTENDED BEFORE NOSE LANDING GEAR HAD BEEN CONTACT ON THE GROUND, SCRATCHING THE THRUST REVERSES LOWER DOORS OF BOTH - [SDR MEX2003288](https://openairdocs.org/sdr/MEX2003288), Jul 14, 2003: SWITCH. MALFUNCTIONED. FLT 215 - HMO-GDL - AIRCRAFT ARRIVED WITH CAPTAIN REPORT 'L ICE PROTECT TEMP HI' LIGHTS TURN ON. DURING TRANSIT CHECK THE THERMOSTAT AND ANTICIPATOR WERE REPLAC - [SDR MEX2003247](https://openairdocs.org/sdr/MEX2003247), Jun 17, 2003: PULLEY. FAILED. DURNG SLATS CABLE ADJUSTMENT WAS FOUND RUBBING BETWEEN CABLE PULLEYS OF SLAT NR '0', LOCATED IN THE RT OF THE SLAT DRIVE MECHANISM. BOTH PULLEYS WERE REPLACED A - [SDR MEX2003154](https://openairdocs.org/sdr/MEX2003154), May 3, 2003: VALVE. FAILED. DURING COCKPIT CHECK THE CAPTIAN FOUND PROBLEMS WITH (AUTO LAND) BUTTON AND LEFT PRESSURE REGULATOR VALVE. THE BUTTON WAS DEFERRED BY MEL CATEGORY C AD THE VALV - [SDR MEX2003054](https://openairdocs.org/sdr/MEX2003054), Mar 2, 2003: TRANSMITTER. FAILED. DURING CREW CABIN REVISION, CAPTAIN REPORTED LEFT ENGINE HYDRAULIC PUMP OUT OF SERVICE WITH 3000 PRESSURE INDICATION. LT TRANSMITTER HYDRAULIC PRESSURE WAS REPL - [SDR MEX2003024](https://openairdocs.org/sdr/MEX2003024), Feb 4, 2003: SOCKET. BURNED. AIRCRAFT ACCOMPLISHED AN UNSCHEDULED LANDING, SMOKE IN FORWARD GALLEY. DURING CRUISE WAS DETECTED SMOKE IN PASSENGERS CABIN FROM THE UPPER PART OF THE FORWARD G - [SDR MEX2003003](https://openairdocs.org/sdr/MEX2003003), Jan 5, 2003: INDICATOR. FAILED. AIRCRAFT RETURNED TO PLATFORM DUE TO FIRST OFFICER ALTIMETER OFF FLAG. ALTIMETER WAS RESET BUT FLAG CONTINUES. BOTH CADCS WERE INTERCHANGED, TESTS WERE PERFORME - [SDR MEX2002274](https://openairdocs.org/sdr/MEX2002274), Aug 23, 2002: FCU. FAILED. FLT 252 - MEX-GDL - AIRCRAFT RETURNED TO GATE DUE TO ACCELERATION FAILURE OF LEFT ENGINE. THE ACCELERATION CHAMBER WAS REVISED AND IT WAS PERFORMED A TRIM IAW M - [SDR MEX2002245](https://openairdocs.org/sdr/MEX2002245), Jul 29, 2002: FLOW VALVE. FAILED. PILOT REPORTED A DIFFERENCE OF 6 DEGREES BETWEEN COMPASS AND RADAR WITH AN INDICATION FAILURE AND FLIGHT DIRECTORS OUT OF SERVICE IN TAKE OFF. DUE TO SUCH A FAI - [SDR MEX2002256](https://openairdocs.org/sdr/MEX2002256), May 8, 2002: SWITCH. FAILED. AIRCRAFT RETURNED TO PLATFORM AS DUE TO AUTO SLAT FAIL LIGHT, THE STALL COMPUTER WAS REPLACED AND FAILURE CONTINUED, THE CONNECTORS OF STALL COMPUTER WERE CLEAN - [SDR MEX2002116](https://openairdocs.org/sdr/MEX2002116), Apr 18, 2002: DUCT. LEAKING. FLT 489 - SJD-ACA - AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCES OF HIGH TEMPERATURE IN ENGINE NR 2 (470 GRADES), ENGINE WAS STARTED WITH A PNEUMATIC POWER GET - [SDR MEX2002082](https://openairdocs.org/sdr/MEX2002082), Mar 24, 2002: FILTER. DIRTY. FLT 430 - PVR-LAX - CAPTAIN REPORTED HIGH TEMPERATURE AT ENGINE STARTING, THE ENGINE STARTING WAS PERFORMED THREE TIMES, AT THIS LAST TIME THE STARTING WAS INSI - [SDR MEX2002045](https://openairdocs.org/sdr/MEX2002045), Feb 20, 2002: WARNING SYSTEM. MALFUNCTIONED. FLT 180 - MLM-HMO - DURING TAXI, CAPTAIN INFORMED THAT DC BUS OFF LIGHT IS ON. RESET THE CIRCUIT BREAKER, LIGHT WAS NOT OFF. AIRCRAFT RETURNED TO PLATFORM. BOTH - [SDR RG22002F00000](https://openairdocs.org/sdr/RG22002F00000), Jul 16, 2001: MODULE. FAILED. RECEIVED AT REPAIR STATION WITH UNCONTAINED TURBINE FAILURE. OPERATOR REPORTED THAT FAILURE OCCURED DURING AN APPROACH TO AIRPORT. AIRCRAFT ENCOUNTERED WINDSHER ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ENG01RA003](https://openairdocs.org/ntsb/ENG01RA003), Jun 25, 2001: McDonnell Douglas MD-82 (N491SH), Guadalajara, Mexico, incident --- 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.