# N231LN: Saab-Scania SAAB 340B, registration cancelled 2019-09-06 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: September 6, 2019 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Saab-Scania SAAB 340B](https://openairdocs.org/model/saab-scania-saab-340b) (registry code 7860101) - Engine: [GE CT7-SER series](https://openairdocs.org/engine/ge-ct7-ser-series) (registry code 30031) - Data sheets: [TCDS A52EU](https://openairdocs.org/tcds/A52EU) (OpenAirDocs) - Serial number: 340B-231 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-prop - Airworthiness: Special flight permit - Airworthiness date: April 23, 1991 - Certificate issued: January 28, 2010 - Last registry action: January 14, 2016 - Mode S code: A20D3E - Owner when cancelled: [Envoy Air Inc](https://openairdocs.org/faa-owner/ENVOY%20AIR%20INC) - Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth) - Owner type: Corporation - Owner's area on the map: 32.8240° N, 97.0491° W: Placed by OpenAirDocs at the center of ZIP code 76155, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N231LN - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=231LN - Page: https://openairdocs.org/deregistered/N231LN-2019-09-06 From the FAA registry file of November 4, 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 Saab-Scania SAAB 340B: https://openairdocs.org/model/saab-scania-saab-340b.md ## Service difficulty reports (22) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SIMA200126102](https://openairdocs.org/sdr/SIMA200126102), Sep 18, 2001: SIGN. BROKEN. FLT 5002 - BOS - FOUND EMERGENCY EXIT SIGN ABOVE SEAT 8A BROKEN. MAINTENANCE REMOVED AND REPLACED EXIT SIGN OVER SEAT 8A. OPS CHECK WAS GOOD AND AIRCRAFT WAS RE - [SDR SIMA20011072](https://openairdocs.org/sdr/SIMA20011072), Apr 17, 2001: BEARING. WORN. DFW - CREW REPORTED A SEVERE VIBRATION FROM THE LEFT PROPELLER AT ALL POWER SETTINGS AND PROPELLER SPEEDS. MAINTENANCE FOUND THE NR 4 BLADE IN THE LEFT PROPELLE - [SDR SIMA20011051](https://openairdocs.org/sdr/SIMA20011051), Apr 15, 2001: ENGINE. OVERTEMP. DCA - FLT 5059 - DURING GO AROUND, RIGHT OVERTEMP LIGHT CAME ON FOR LESS THAN 1 SECOND. RETARDED POWER LEVER AND LIGHT WENT OUT OUTSIDE AIR TEMP 19 MODERATE RAI - [SDR SIMA3576](https://openairdocs.org/sdr/SIMA3576), Dec 22, 2000: FUSE. CORRODED. CLL - FLT 3924 - EMERGENCY LIGHTS INOPERATIVE. FOUND CORROSION ON 23LN EMERGENCY BATTERY POWER SUPPLY FUSES. CLEAN FUSE SOCKETS, RAI ALL 4 FUSES. OPERATION CHEC - [SDR SIMA1241](https://openairdocs.org/sdr/SIMA1241), May 3, 2000: FUSE. FAILED. LAX - FLT 3112 - EMERGENCY LIGHTS OVER ROW 14 INOPERATIVE. DEFERRED PER MEL 33-5-13, NR 050036 CAT C. FOUND FUSELAGE 82LN BLOWN, REMOVED AND REPLACED IT. OPS CH - [SDR SIMA0792](https://openairdocs.org/sdr/SIMA0792), Mar 19, 2000: BULB. INOPERATIVE. DFW - FLT 3342 - FOUND EMERGENCY FLOOR LIGHTING AT ROW 14 INOPERATIVE. REMOVED AND REPLACED BULB. OPS CHECK GOOD. (M) - [SDR SIMA0412](https://openairdocs.org/sdr/SIMA0412), Feb 10, 2000: BULB. FAILED. DFW - FLT 3935 - EMERGENCY LIGHTS INOPERATIVE AT SEAT 12C. REMOVED AND REPLACED BULB AT SEAT 12C. OPS CHECK GOOD. (M) - [SDR SIMA992751](https://openairdocs.org/sdr/SIMA992751), Oct 2, 1999: BULB. FAILED. DFW - FLT 3906 - EMERGENCY FLOOR PROXIMITY LIGHT AT ROW 8A DOES NOT ILLUMINATE. REMOVED AND REPLACED BULB. OPERATIONAL CHECK GOOD. (M) - [SDR SIMA983561](https://openairdocs.org/sdr/SIMA983561), Dec 22, 1998: PDU. FAILED. WHEN LANDING GEAR RETRACTED, THREE GREEN AND UNSAFE LIGHTS ALL ILLUMINATED. CYCLED LANDING GEAR, GREEN LIGHTS WENT OUT BUT THE UNSAFE LIGHT REMAINED ON. REMOVED - [SDR SIMA982963](https://openairdocs.org/sdr/SIMA982963), Oct 23, 1998: BULB. FAILED. DFW - FLT 5070 - EMERGENCY LIGHT ABOVE SEAT 14A DOES NOT ILLUMINATE. REMOVED AND REPLACED BULB. OPERATIONAL CHECK GOOD. (M) - [SDR WWMA9700176](https://openairdocs.org/sdr/WWMA9700176), Nov 20, 1997: LAMP. FAILED. DURING PREFLIGHT, CREW NOTED A STRONG BURNED ELECTRONIC SMELL. MAINTENANCE INSPECTED THE FLIGHT DECK, QUADRANT, CIRCUIT BREAKER PANELS, LIGHTS AND CONVERTERS. F - [SDR WWMA9700175](https://openairdocs.org/sdr/WWMA9700175), Nov 20, 1997: CONTROL ASSY. DEFECTIVE. DURING LANDING GEAR RETRACTION, THE INTRANSIT LIGHT DOES NOT ILLUMINATE. DURING GEAR EXTENSION THE INTRANSIT DOES ILLUMINATE. REPLACED LANDING GEAR CONTROL ASSE - [SDR WWMA9700151](https://openairdocs.org/sdr/WWMA9700151), Sep 28, 1997: HANDLE COVER. LOOSE. RIGHT FRONT EMERGENCY EXIT HANDLE COVER CAME UNDONE. MAINTENANCE INSTALLED EXIT HANDLE COVER AND LOCK WIRED WITH BREAK AWAY WIRE. - [SDR WWMA9700152](https://openairdocs.org/sdr/WWMA9700152), Sep 26, 1997: SMOKE DETECTOR. FAILED TEST. DURING PREFLIGHT, THE LAVATORY SMOKE DETECTOR FAILED TO TEST. THE SMOKE DETECTOR WAS DEFERRED IAW THE MEL 26-2-1. THE PROBLEM COULD NOT BE DUPLICATED AND THE ME - [SDR WWMA9700138](https://openairdocs.org/sdr/WWMA9700138), Sep 3, 1997: BRAKES. MALFUNCTIONED. CREW REPORTED POOR BRAKING ACTION WITH HEAVY FOOT PRESSURE REQUIRED. DURING STATIC TEST AFTER LANDING BRAKES WERE UNABLE TO HOLD AT 50 PERCENT ENGINE POWER. MAI - [SDR WWMA9700114](https://openairdocs.org/sdr/WWMA9700114), Aug 2, 1997: LAMP. FAILED. ONE EMERGENCY LIGHT ON CABIN FLOOR DOES NOT ILLUMINATE WITH THE OTHER LIGHTS. REPLACED LAMP. - [SDR WWMA9700063](https://openairdocs.org/sdr/WWMA9700063), May 4, 1997: BULB. FAILED. LEFT MAIN LANDING GEAR DOWN AND LOCKED LIGHT FAILED TO ILLUMINATE AFTER GEAR EXTENSION. EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. INDICAT - [SDR WWMA9700015](https://openairdocs.org/sdr/WWMA9700015), Jan 26, 1997: SMOKE DETECTOR. DIRTY. LAVATORY SMOKE LIGHT ILLUMINATED DURING PASSENGER BOARDING. MAINTENANCE CLEANED THE SMOKE DETECTOR. - [SDR WWMA9600098](https://openairdocs.org/sdr/WWMA9600098), Nov 20, 1996: SMOKE DETECTOR. DIRTY. CARGO SMOKE LIGHT ILLUMINATED AFTER TAKEOFF, THE AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. MAINTENANCE CLEANED BOTH CARGO SMOKE DETECTORS AND RERACKED THE WA - [SDR WWMA9600089](https://openairdocs.org/sdr/WWMA9600089), Oct 30, 1996: DETECTOR. DIRTY. CREW REPORTED INTERMITTENT CARGO SMOKE WARNING LIGHT WITH TRIPLE STROKE CHIME, ONLY WHEN BLEEDS ARE OFF. CLEANED FWD AND AFT CARGO SMOKE DETECTORS IAW SMM 2613, - [SDR WWMA9600051](https://openairdocs.org/sdr/WWMA9600051), Jun 14, 1996: ENGINE. FLAMED OUT. DURING DESCENT FROM 17000 FT TO 15000 FT WITH TORQUE AT 60 PERCENT AND BEING SLIGHTLY RETARDED TO 55 PERCENT, THE LEFT ENGINE FLAMED OUT WITH A LOUD BANG. ALL G - [SDR WWMA9500074](https://openairdocs.org/sdr/WWMA9500074), Oct 27, 1995: HYD LINE. CRACKED. PILOT REPORTED, ON TAXI THE HYDRAULIC LIGHT CAME ON, LOST ALL HYDRAULIC FLUID AND LOST BRAKING EFFECTIVENESS. AIRCRAFT WAS TOWED BACK TO THE GATE. UPON INVESTIG --- 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.