# N309SW: 1985 Boeing 737-3H4, registration cancelled 2017-05-22 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: May 22, 2017 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (registry code 138447K) - Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802) - Serial number: 22948 - Year built: 1985 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: October 30, 1985 - Certificate issued: June 27, 2005 - Last registry action: July 15, 2008 - Mode S code: A34266 - Owner when cancelled: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO) - Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas) - Owner type: Corporation - Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N309SW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=309SW - Page: https://openairdocs.org/deregistered/N309SW-2017-05-22 From the FAA registry file of October 27, 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 Boeing 737-3H4: https://openairdocs.org/model/boeing-737-3h4.md ## Service difficulty reports (454, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA093858](https://openairdocs.org/sdr/SWAA093858), Jun 14, 2009: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 312, BETWEEN STR 19R TO STR 21R. REMOVED AND REPLACED SHEAR TIE PER SRM. - [SDR SWAA093688](https://openairdocs.org/sdr/SWAA093688), Jun 7, 2009: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED BETWEEN BS 348 TO BS 360, STR 21R. REMOVED AND REPLACED SPLICE PER SRM. - [SDR SWAA093487](https://openairdocs.org/sdr/SWAA093487), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 311.5, STR 19R. REPAIRED SKIN PER SWA EA. - [SDR SWAA093485](https://openairdocs.org/sdr/SWAA093485), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 308, STR 20R. REPAIRED SKIN PER SWA EA. - [SDR SWAA093484](https://openairdocs.org/sdr/SWAA093484), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 317, BETWEEN STR 19R TO STR 20R. REPAIRED SKIN PER SWA EA. - [SDR SWAA093486](https://openairdocs.org/sdr/SWAA093486), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 325, STR 23R. REPAIRED SKIN PER SWA EA. - [SDR SWAA093482](https://openairdocs.org/sdr/SWAA093482), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 331, STR 23R. REPAIRED SKIN PER SWA EA. - [SDR SWAA093483](https://openairdocs.org/sdr/SWAA093483), May 29, 2009: SKIN. CRACKED. DURING SCHEDULED MV1 CHECK, FOUND SKIN CRACKED AT BS 344, BETWEEN STR 19R TO STR 20R. REPAIRED SKIN PER SWA EA. - [SDR SWAA085341](https://openairdocs.org/sdr/SWAA085341), Oct 1, 2008: GLOWSTRIP. DELAMINATED. DURING SCHEDULED SPV CHECK, FOUND PHOTOLUMINESCENT LIGHT STRIP DELAMINATED IN CABIN. REMOVED AND REPLACED STRIP PER MM. - [SDR SWAA085340](https://openairdocs.org/sdr/SWAA085340), Oct 1, 2008: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 500D, STR 25L TO 26L. REMOVED AND REPLACED TIE PER PAE ER. - [SDR SWAA085339](https://openairdocs.org/sdr/SWAA085339), Oct 1, 2008: FRAME. CRACKED. DURING SCHEDULED SPV CHECK, FOUND FRAME CRACKED AT BS 520, STR 8L. REPAIRED FRAME PER PAE ER. - [SDR SWAA085267](https://openairdocs.org/sdr/SWAA085267), Sep 30, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND AFT CARGO BAY SHEAR TIE CORRODED AT BS 747, STR 19R TO STR 20R. REPAIRED SHEAR TIE PER ER. - [SDR SWAA085266](https://openairdocs.org/sdr/SWAA085266), Sep 30, 2008: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED AT BS 360, STR 20R. REMOVED AND REPLACED STRINGER SPLICE PER SRM. - [SDR SWAA085275](https://openairdocs.org/sdr/SWAA085275), Sep 28, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 360 BETWEEN STR 27L TO STR 28L. REPAIRED SHEAR TIE PER SRM. - [SDR SWAA085274](https://openairdocs.org/sdr/SWAA085274), Sep 28, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 360, BETWEEN STR 28L TO STR 28R. REPAIRED SHEAR TIE PER SRM. - [SDR SWAA085273](https://openairdocs.org/sdr/SWAA085273), Sep 28, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 500A, BETWEEN STR 25L TO 26L. REPAIRED SHEAR TIE PER ER. - [SDR SWAA085272](https://openairdocs.org/sdr/SWAA085272), Sep 28, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 500B, BETWEEN STR 25L TO 26L. REPAIRED SHEAR TIE PER ER. - [SDR SWAA085271](https://openairdocs.org/sdr/SWAA085271), Sep 28, 2008: SKIN. CRACKED. DURING SCHEDULED SPV CHECK, FOUND FUSELAGE SKIN CRACKED AT BS 500C + 16, STR 8R. REPAIRED SKIN PER ER. - [SDR SWAA085178](https://openairdocs.org/sdr/SWAA085178), Sep 16, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 26R CORRODED AT BS 840. REPAIRED STRINGER PER SRM. - [SDR SWAA085085](https://openairdocs.org/sdr/SWAA085085), Sep 16, 2008: FRAME. CORRODED. DURING SCHEDULED CHECK, FOUND FUSELAGE FRAME U-CHANNEL CORRODED AT BS 540, STR 26L. REPAIRED FRAME CHANNEL PER ACO. - [SDR SWAA085035](https://openairdocs.org/sdr/SWAA085035), Sep 14, 2008: STRINGER CLIP. CRACKED. DURING SCHEDULED SPV CHECK, FOUND STRINGER CLIP CRACKED AT BS 500D, STR 26R. REMOVED AND REPLACED STRINGER CLIP PER SRM. - [SDR SWAA085034](https://openairdocs.org/sdr/SWAA085034), Sep 14, 2008: STRINGER CLIP. CRACKED. DURING SCHEDULED SPV CHECK, FOUND STRINGER CLIP CRACKED AT BS 987, STR 20R. REMOVED AND REPLACED STRINGER CLIP PER SRM. - [SDR SWAA085033](https://openairdocs.org/sdr/SWAA085033), Sep 14, 2008: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED AT BS 360, STR 25R. REMOVED AND REPLACED STRINGER SPLICE PER SRM. - [SDR SWAA085032](https://openairdocs.org/sdr/SWAA085032), Sep 14, 2008: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED AT BS 908, STR 20R. REMOVED AND REPLACED STRINGER SPLICE PER SRM. - [SDR SWAA085031](https://openairdocs.org/sdr/SWAA085031), Sep 14, 2008: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 520, STR 10L. REPAIRED SHEAR TIE PER SRM. - [SDR SWAA084842](https://openairdocs.org/sdr/SWAA084842), Sep 3, 2008: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED AT BS 908, STR 25R. REMOVED AND REPLACED STRINGER SPLICE PER SRM. - [SDR SWAA084841](https://openairdocs.org/sdr/SWAA084841), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 25R CORRODED AT BS 350. REPAIRED STRINGER PER SRM. - [SDR SWAA084840](https://openairdocs.org/sdr/SWAA084840), Sep 3, 2008: STRINGER CLIP. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER CLIP CORRODED AT BS 887, STR 25R. REMOVED AND REPLACED STRINGER CLIP PER SRM. - [SDR SWAA084839](https://openairdocs.org/sdr/SWAA084839), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 26L CORRODED AT BS 540. REPAIRED STRINGER PER ACO. - [SDR SWAA084838](https://openairdocs.org/sdr/SWAA084838), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 24L CORRODED AT BS 877. REPAIRED STRINGER PER SRM. - [SDR SWAA084837](https://openairdocs.org/sdr/SWAA084837), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 23L CORRODED AT BS 727E. REPAIRED STRINGER PER SRM. - [SDR SWAA084836](https://openairdocs.org/sdr/SWAA084836), Sep 3, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 400, STR 19R. REMOVED AND REPLACED SHEAR TIE PER SRM. - [SDR SWAA084835](https://openairdocs.org/sdr/SWAA084835), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 23R CORRODED BETWEEN BS 360 AND BS 365. REPAIRED STRINGER PER SRM. - [SDR SWAA084834](https://openairdocs.org/sdr/SWAA084834), Sep 3, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 22R CORRODED BETWEEN BS 360 AND BS 372. REPAIRED STRINGER PER SRM. - [SDR SWAA084833](https://openairdocs.org/sdr/SWAA084833), Sep 3, 2008: STRINGER SPLICE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CRACKED AT BS 503C, STR 16L. REPAIRED STRINGER SPLICE PER SRM. - [SDR SWAA084826](https://openairdocs.org/sdr/SWAA084826), Sep 2, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 26L CORRODED AT BS 440 TO BS 500. REPAIRED STRINGER PER SRM. - [SDR SWAA084825](https://openairdocs.org/sdr/SWAA084825), Sep 2, 2008: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 520, STR 12L. REMOVED AND REPLACED SHEAR TIE PER SRM. - [SDR SWAA084724](https://openairdocs.org/sdr/SWAA084724), Aug 26, 2008: FRAME. CRACKED. DURING SCHEDULED SPV CHECK, FOUND FUSELAGE FRAME CRACKED AT BS 747, STR 8L. REPAIRED FRAME PER SWA EA. - [SDR SWAA084651](https://openairdocs.org/sdr/SWAA084651), Aug 24, 2008: CHARGER. INOPERATIVE. DURING SCHEDULED SPV CHECK, FOUND LT FWD CABIN EMERGENCY BATTERY PACK INOP. REMOVED AND REPLACED BATTERY CHARGER PER MM. - [SDR SWAA084650](https://openairdocs.org/sdr/SWAA084650), Aug 24, 2008: CHARGER. INOPERATIVE. DURING SCHEDULED SPV CHECK, FOUND RT AFT CABIN EMERGENCY BATTERY PACK INOP. REMOVED AND REPLACED BATTERY CHARGER PER MM. - [SDR SWAA084583](https://openairdocs.org/sdr/SWAA084583), Aug 19, 2008: STRINGER SPLICE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER SPLICE CORRODED AT BS 908, STR 22R. REMOVED AND REPLACED STRINGER SPLICE PER SRM. - [SDR SWAA084582](https://openairdocs.org/sdr/SWAA084582), Aug 19, 2008: SHEAR TIE. CORRODED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CORRODED AT BS 947, STR 19R. REMOVED AND REPLACED SHEAR TIE PER SRM. - [SDR SWAA084581](https://openairdocs.org/sdr/SWAA084581), Aug 19, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 23L CORRODED AT BS 727E. REPAIRED STRINGER PER SRM. - [SDR SWAA084580](https://openairdocs.org/sdr/SWAA084580), Aug 19, 2008: BEAR STRAP. CRACKED. DURING SCHEDULED SPV CHECK, FOUND FUSELAGE SKIN BEAR STRAP CRACKED AT BS 968, STR 27L. REPAIRED SKIN PER SRM AND BOEING DRAWING. - [SDR SWAA084427](https://openairdocs.org/sdr/SWAA084427), Aug 9, 2008: FLOOR SKIN. CRACKED. DURING SCHEDULED SPV CHECK, FOUND COCKPIT FLOOR SKIN CRACKED AT BS 248.8, RBL 25.5. REPAIRED FLOOR SKIN PER SRM & ER. - [SDR SWAA084377](https://openairdocs.org/sdr/SWAA084377), Aug 6, 2008: SKIN. CRACKED. DURING SCHEDULED SPV CHECK, FOUND FUSELAGE SKIN CRACKED AT FWD SERVICE DOOR UPPER HINGE. REPAIRED SKIN PER ER. - [SDR SWAA084361](https://openairdocs.org/sdr/SWAA084361), Aug 5, 2008: STRINGER. CORRODED. DURING SCHEDULED SPV CHECK, FOUND STRINGER 28R CORRODED AT BS 302. REPAIRED FRAME PER SRM. - [SDR SWAA084252](https://openairdocs.org/sdr/SWAA084252), Jul 31, 2008: STRINGER CLIP. CRACKED. DURING SCHEDULED SPV CHECK, FOUND STRINGER CLIP CRACKED AT BS 420, STR 14R. REMOVED AND REPLACED STRINGER CLIP PER SRM. - [SDR SWAA084208](https://openairdocs.org/sdr/SWAA084208), Jul 28, 2008: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 380, STR 17R. REMOVED AND REPLACED SHEAR TIE PER SRM. - [SDR SWAA084209](https://openairdocs.org/sdr/SWAA084209), Jul 28, 2008: SHEAR TIE. CRACKED. DURING SCHEDULED SPV CHECK, FOUND SHEAR TIE CRACKED AT BS 520, STR 17R. REMOVED AND REPLACED SHEAR TIE PER SRM. All 454: https://openairdocs.org/deregistered/N309SW-2017-05-22/reports.md ## 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 FTW95IA348](https://openairdocs.org/ntsb/FTW95IA348), Aug 18, 1995: Boeing 737-3H4 (N309SW), Lubbock, TX, incident, minor damage. Probable cause: installation of an incorrect bearing in the number three main wheel by the wheel assembly supplier, which led to subsequent failure of the wheel bearing and separation of the wheel during takeoff. ## FAA accident and incident reports (3) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20050510008229I](https://openairdocs.org/incident/20050510008229I), May 10, 2005: Boeing 7373H4 (N309SW), New Orleans, LA. (-23) No injuries or fatalities. On flight #814, from houston, TX (hou) to New Orleans, LA (msy), on landing the #3 main wheel assembly came off the axle.… - [Incident 19950625021209I](https://openairdocs.org/incident/19950625021209I), Jun 25, 1995: Boeing 7373H4 (N309SW), Omaha, NE. Flight attendants smelled cigarette smoke after passenger left lavatory. Denied but violation filed. - [Incident 19900502018619I](https://openairdocs.org/incident/19900502018619I), May 2, 1990: Boeing 7373H4 (N309SW), Birmingham, AL. NR2 oil quantity gauge went to zero. Reduced power on engine. Returned. Engine shut down after landing. --- 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.