# N20SW: Boeing 737-2H4, registration cancelled 2001-06-21 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: June 21, 2001 - Status when cancelled: Valid registration - Airframe: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (registry code 138448C) - Serial number: 21337 - Type of aircraft: Fixed wing multi engine - Certificate issued: May 21, 1999 - Last registry action: May 21, 1999 - Mode S code: A1914F - Owner when cancelled: [Flight Director Inc](https://openairdocs.org/faa-owner/FLIGHT%20DIRECTOR%20INC) - Location: [Austin, TX](https://openairdocs.org/faa-place/TX/Austin) - Owner type: Corporation - Owner's area on the map: 30.3877° N, 97.7067° W: Placed by OpenAirDocs at the center of ZIP code 78758, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N20SW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=20SW - Page: https://openairdocs.org/deregistered/N20SW-2001-06-21 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 737-2H4: https://openairdocs.org/model/boeing-737-2h4.md ## Service difficulty reports (26) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA970599](https://openairdocs.org/sdr/SWAA970599), Jun 27, 1997: BATTERY PACK. DISCHARGED. DURING SCHEDULED RON CHECK, FOUND FWD EXTERIOR EMERGENCY EXIT LIGHTS INOP. REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA970566](https://openairdocs.org/sdr/SWAA970566), Jun 24, 1997: SKIN. CRACKED. DURING SCHEDULED TERMINAL CHECK, FOUND FUSELAGE SKIN CRACKED AT BS 380 AT S10L. REPAIRED PER BOEING SRM. - [SDR SWAA970521](https://openairdocs.org/sdr/SWAA970521), Jun 1, 1997: ACTUATOR. FAILED. AFTER TAKEOFF DURING FLAP RETRACTION, NR 1 STAY REMAINED IN FULL EXTEND POSITION. RECYCLED FLAPS. RETURNED TO DTW AND MADE AN UNEVENTFUL LANDING. REPLACED NR 1 - [SDR SWAA970502](https://openairdocs.org/sdr/SWAA970502), May 25, 1997: BATTERY. DISCHARGED. DURING SCHEDULED SERVICE CHECK, FOUND AFT CABIN OVERHEAD EMERGENCY EXIT LIGHT INOP. REMOVED AND REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA961402](https://openairdocs.org/sdr/SWAA961402), Dec 20, 1996: BATTERY. DISCHARGED. DURING SCHEDULED SERVICE CHECK, FOUND FWD F/A STATION EMERGENCY FLASHLIGHT NOT TESTING. REPLACED BATTERY PER BOEING M/M. - [SDR SWAA961255](https://openairdocs.org/sdr/SWAA961255), Nov 19, 1996: BATTERY PACK. DISCHARGED. DURING SCHEDULED 1/2 D-CHECK, FOUND 7 CABIN FLOOR TRACK LIGHTS INOP. REMOVED AND REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA961237](https://openairdocs.org/sdr/SWAA961237), Nov 10, 1996: BATTERY. DISCHARGED. DURING SCHEDULED SERVICE CHECK, FOUND LEFT OVERWING EMERGENCY EXIT LIGHTS INOP. REPLACED BATTERY PACK PER BOEING M/M. - [SDR SWAA961236](https://openairdocs.org/sdr/SWAA961236), Nov 10, 1996: BULKHEAD. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND AFT CARGO FWD PRESSURE BULKHEAD AT BS 727 COMPRESSION CHORD CRACKED IN RADIUS OF LOWER LEG. REPAIRED PER SWA RA 1-253-1555. - [SDR SWAA961235](https://openairdocs.org/sdr/SWAA961235), Nov 10, 1996: SKIN. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND FWD ENTRY DOOR INNER SKIN CRACKED IN MIDDLE AREA BOTTOM OF TORQUE TUBE ACCESS CUTOUT. REPAIRED PER BOEING SRM. - [SDR SWAA961234](https://openairdocs.org/sdr/SWAA961234), Nov 10, 1996: ANGLE. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND FWD ENTRY DOOR FRAME ANGLE CRACKED 16 INCHES UP FROM FLOOR APPROX 3 INCHES LONG. REPAIRED PER BOEING SRM. - [SDR SWAA961233](https://openairdocs.org/sdr/SWAA961233), Nov 10, 1996: SKIN. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND NR 28 CABIN WINDOW CUTOUT CRACKED IN UPPER AFT CORNER. REPAIRED PER BOEING SRM. - [SDR SWAA961214](https://openairdocs.org/sdr/SWAA961214), Nov 4, 1996: FLOORBEAM. CORRODED. DURING SCHEDULED 1/2 D-CHECK, FOUND FLOOR BEAM ATTACHMENT CORROSION AT BS 967, RBL 41. REPAIRED PER BOEING TI NR A53-014 AND BOEING SRM. - [SDR SWAA961213](https://openairdocs.org/sdr/SWAA961213), Nov 4, 1996: FLOORBEAM. CORRODED. DURING SCHEDULED 1/2 D-CHECK, FOUND FLOORBEAM HOLE CORROSION AT BS 1006, LBL 18.5, 22.5, 26, AND 28.5. REPAIRED PER BOEING TI NR A53-014 AND BOEING SRM. - [SDR SWAA961194](https://openairdocs.org/sdr/SWAA961194), Oct 30, 1996: FLOORBEAM. CORRODED. DURING SCHEDULED 1/2 D-CHECK, FOUND FLOORBEAM T-CAP CORROSION AT BS 344, RBL 1, 2, 7, 9 AND AT LBL 14, 18 AND 22. REPLACED T-CAPS PER BOEING SRM. - [SDR SWAA961193](https://openairdocs.org/sdr/SWAA961193), Oct 30, 1996: STRINGER. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND STRINGER 16L CRACKED JUST AFT OF SCANNING LIGHT CUTOUT, BS 500B+13, 6 INCHES LONG. REPAIRED PER SWA ACO 6405-53. - [SDR SWAA961192](https://openairdocs.org/sdr/SWAA961192), Oct 30, 1996: DOUBLER. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND FWD SERVICE DOOR, LOWER AFT CORNER DOUBLER CRACKED. REPLACED DOUBLER PER BOEING SRM. - [SDR SWAA960824](https://openairdocs.org/sdr/SWAA960824), Aug 15, 1996: SKIN. CRACKED. DURING SCHEDULED SERV CHECK, FOUND AIRSTAIRS CUTOUT, FWD UPPER SUPPORT STRUCTURE FOR FWD DOOR STOP CRACKED AND EXTENDING OUT FROM UNDER STOP. REPAIRED PER BOEIN - [SDR SWAA960823](https://openairdocs.org/sdr/SWAA960823), Aug 15, 1996: SKIN. CRACKED. DURING SCHEDULED SERV CHECK, FOUND AFT ENTRY DOOR OUTER SKIN UPPER HINGE CUTOUT CRACKED AT LOWER RADIUS PROGRESSING DOWNWARD. REPAIRED PER TYPICAL REPAIR T1-A52 - [SDR SWAA960501](https://openairdocs.org/sdr/SWAA960501), Jun 8, 1996: OIL FILTER. CONTAMINATED. NUMBER 2 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED IN FLIGHT, THROTTLE RETARDED, NO HELP. CREW PERFORMED ENGINE SHUTDOWN CHECKLIST. AIRCRAFT DIVERTED AND MADE - [SDR SWAA960485](https://openairdocs.org/sdr/SWAA960485), Jun 4, 1996: SKIN. CRACKED. DURING SCHEDULED C2 CHECK, FOUND FUSELAGE SKIN CRACKED TWO PLACES IN R3 WINDOW FRAME .6250 INCH. REPLACED PER BOEING SRM AMD S/B 737-53-1115. - [SDR SWAA960318](https://openairdocs.org/sdr/SWAA960318), May 2, 1996: ACTUATOR. FAILED. DURING CLIMBOUT, NUMBER 6 L/E SLAT WOULD NOT RETRACT. RECYCLED FLAPS, NO HELP. AIRCRAFT RETURNED TO ONT AND MADE AN UNEVENTFUL LANDING. REPLACED NR 6 SLAT ACTUA - [SDR SWAA960236](https://openairdocs.org/sdr/SWAA960236), Apr 24, 1996: FLASHLIGHT. DISCHARGED. AT GATE, FOUND AFT O/B EMERGENCY FLASHLIGHT TEST LIGHT INDICATOR INOP. REPLACED FLASHLIGHT PER BOEING M/M. - [SDR SWAA950648](https://openairdocs.org/sdr/SWAA950648), Sep 21, 1995: CANISTER. LEAKING. AFTER TAKEOFF, AIRCRAFT WOULD NOT PRESSURIZE USING AUTO, MANUAL OR STANDBY MODES. AIRCRAFT RETURNED TO ABQ AND MADE AN UNEVENTFUL LANDING. INSPECTED AND FOUND L - [SDR SWAA950016](https://openairdocs.org/sdr/SWAA950016), Jan 11, 1995: SKIN. CRACKED. DURING SCHEDULED SPECIAL VISIT, SKIN LAP INSPECTION FOUND SKIN CRACK INDICATION AT BS 590, S4L. REPAIRED PER TRAMCO EWO 95-0028. - [SDR SWAA950015](https://openairdocs.org/sdr/SWAA950015), Jan 11, 1995: SKIN. CRACKED. DURING SCHEDULED SPECIAL VISIT, SKIN LAP INSPECTION FOUND SKIN CRACK INDICATIONS AT BS 268, 328, 336, 343, 351, 480, 490, 510, 767, AND 977, S4R. REPAIRED PER T - [SDR SWAA950014](https://openairdocs.org/sdr/SWAA950014), Jan 11, 1995: SKIN. CRACKED. DURING SCHEDULED SPECIAL VISIT, SKIN LAP INSPECTION FOUND SKIN CRACK INDICATION AT BS 937, S4L. REPAIRED PER TRAMCO EWO 93-0003. ## FAA accident and incident reports (4) 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 19881221065819I](https://openairdocs.org/incident/19881221065819I), Dec 21, 1988: Boeing 7372H4 (N20SW), Detroit, MI. Engine epr dropping. Engine shut down. Found 2 studs pulled on fuel pressure dump valve. - [Incident 19851219068949I](https://openairdocs.org/incident/19851219068949I), Dec 19, 1985: Boeing 7372H4 (N20SW), Dallas, TX. Both generators failed on climbout. Replaced. Pin pushed into connector caused shorted generator on next flight. - [Incident 19800619055689I](https://openairdocs.org/incident/19800619055689I), Jun 19, 1980: Boeing 7372H4 (N20SW), Houston, TX. Flight control master caution light came on. Takeoff aborted. 2 tires deflated after return to gate. - [Incident 19780424011279I](https://openairdocs.org/incident/19780424011279I), Apr 24, 1978: Boeing 737/ (N20SW), Austin, TX, Minor damage. Aircraft had large bird strike to windshield during climb. ## Other aircraft with N20SW - [Registered now](https://openairdocs.org/aircraft/N20SW): Alexander Schleicher ASH 31 MI, S/N 31160, built 2017 --- 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.