# N50SW: Boeing 737-2H4, registration cancelled 1999-02-24 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: February 24, 1999 - Exported to: Philippines - Status when cancelled: Valid registration - Airframe: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (registry code 138448C) - Serial number: 21447 - Type of aircraft: Fixed wing multi engine - Certificate issued: December 11, 1998 - Last registry action: December 11, 1998 - Mode S code: A6393C - Owner when cancelled: [Aar Aircraft & Engine Group Inc](https://openairdocs.org/faa-owner/AAR%20AIRCRAFT%20%26%20ENGINE%20GROUP%20INC) - Location: [Wood Dale, IL](https://openairdocs.org/faa-place/IL/Wood%20Dale) - Owner type: Corporation - Owner's area on the map: 41.9744° N, 87.9865° W: Placed by OpenAirDocs at the center of ZIP code 60191, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N50SW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=50SW - Page: https://openairdocs.org/deregistered/N50SW-1999-02-24 From the FAA registry file of October 28, 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 737-2H4: https://openairdocs.org/model/boeing-737-2h4.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 SWAA970811](https://openairdocs.org/sdr/SWAA970811), Sep 2, 1997: SKIN. CRACKED. DURING SCHEDULED D-CHECK, FOUND FUSELAGE SKIN CRACKED BY WATER SERVICE PANEL. REPAIRED PER BOEING SRM. - [SDR SWAA970810](https://openairdocs.org/sdr/SWAA970810), Sep 2, 1997: STRINGER. CRACKED. DURING SCHEDULED D-CHECK, FOUND STRINGER 23L CRACKED AT BS 945. REPAIRED PER BOEING SRM. - [SDR SWAA970809](https://openairdocs.org/sdr/SWAA970809), Sep 2, 1997: SUPPORT. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOOR SUPPORTS CORRODED AT BS 277 TO 294, 294 TO 312, 356 AND 315. REPAIRED PER BOEING SRM. - [SDR SWAA970807](https://openairdocs.org/sdr/SWAA970807), Sep 2, 1997: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM CORRODED AT BS 1016, 360, 312, 986 AND 1016. REPAIRED PER BOEING SRM. - [SDR SWAA970806](https://openairdocs.org/sdr/SWAA970806), Sep 2, 1997: FRAME. CRACKED. DURING SCHEDULED D-CHECK, FOUND FRAME CRACKED AT BS 616, LBL 65. REPAIRED PER BOEING SRM. - [SDR SWAA970805](https://openairdocs.org/sdr/SWAA970805), Sep 2, 1997: WEB. CRACKED. DURING SCHEDULED D-CHECK, FOUND WEB CRACKED AT BS 695. REPAIRED PER BOEING SRM. - [SDR SWAA970804](https://openairdocs.org/sdr/SWAA970804), Sep 2, 1997: BULKHEAD. CRACKED. DURING SCHEDULED D-CHECK, FOUND BS 178 BULKHEAD CRACKED AT LBL 8.75 TO 14.0, AT RBL 9.25 TO 14.0, AT LBL 6.7, AT LBL 12 TO 12.5, AND AT LBL 11.0 TO 13.0. REPAIR - [SDR SWAA970297](https://openairdocs.org/sdr/SWAA970297), Mar 18, 1997: BATTERY. DISCHARGED. DURING WALKAROUND CHECK, FOUND UPPER AFT F/A EMERGENCY FLASHLIGHT INOP. REMOVED AND REPLACED BATTERY PER BOEING M/M. - [SDR SWAA970286](https://openairdocs.org/sdr/SWAA970286), Mar 17, 1997: BATTERY. DISCHARGED. DURING WALKAROUND INSPECTION, FOUND AFT BULKHEAD UPPER EMERGENCY FLASHLIGHT INOP. REMOVED AND REPLACED BATTERY PER BOEING M/M. - [SDR SWAA960920](https://openairdocs.org/sdr/SWAA960920), Sep 6, 1996: HYDRAULIC LINE. RUPTURED. AIR TURNBACK DUE TO A-SYSTEM LOW PRESS LIGHT AND LOW QUANTITY ILLUMINATING. AIRCRAFT MADE AN UNEVENTFUL LANDING AT HOU. REPLACED LEFT MAIN GEAR RETRACT ACTUATOR - [SDR SWAA960350](https://openairdocs.org/sdr/SWAA960350), May 2, 1996: SKIN. CRACKED. DURING SCHEDULED B2 CHECK, FOUND AFT GALLEY DOOR UPPER HINGE CUTOUT CRACKED .125. REPAIRED PER BOEING TYPICAL REPAIR T1-A52-005. - [SDR SWAA960066](https://openairdocs.org/sdr/SWAA960066), Feb 5, 1996: BATTERY. DISCHARGED. DURING SCHEDULED CHECK, FOUND LT AND RT FWD OUTSIDE EMERGENCY LIGHTS INOP. REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA960286](https://openairdocs.org/sdr/SWAA960286), Jan 13, 1996: BATTERY PACK. DISCHARGED. DURING SCHEDULED SERVICE CHECK, FOUND FWD ENTRY ESCAPE SLIDE LIGHTING INOP. REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA950654](https://openairdocs.org/sdr/SWAA950654), Sep 29, 1995: SKIN. CRACKED. DURING SCHEDULED 1/2 C CHECK, FOUND FUSELAGE SKIN CRACKED AT LEFT SIDE, 2ND PASSENGER WINDOW FROM FRONT AT TOP FWD CORNER RIVET HEAD. REPAIRED PER SWA RA 1-253- - [SDR SWAA950561](https://openairdocs.org/sdr/SWAA950561), Aug 5, 1995: COMPRESSOR. STALLED. DURING CLIMBOUT, EXPERIENCED NUMBER 2 ENGINE COMPRESSOR STALL. AIRCRAFT RETURNED TO MDW AND MADE AN UNEVENTFUL LANDING. INSPECTED AND REPLACED NUMBER 2 ENGINE P ## 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 ATL87IA179](https://openairdocs.org/ntsb/ATL87IA179), Jun 19, 1987: Boeing 737-2H4 (N50SW), Nashville, TN, incident, no damage ## FAA accident and incident reports (2) 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 19861129076739I](https://openairdocs.org/incident/19861129076739I), Nov 29, 1986: Boeing 7372H4 (N50SW), Tulsa, OK. En route fire warning from APU. Found a faulty fire loop. - [Incident 19820109005309I](https://openairdocs.org/incident/19820109005309I), Jan 9, 1982: Boeing 7372H4 (N50SW), Houston, TX. En route, half annunciator and master caution lights came on. Replaced generator and APU module nr 693731423. ## Other aircraft with N50SW - [Registered now](https://openairdocs.org/aircraft/N50SW): Piper PA-28-236, S/N 28-8011098, built 1980 --- 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.