# N23SW: 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: 21338 - Type of aircraft: Fixed wing multi engine - Certificate issued: June 15, 1999 - Last registry action: June 15, 1999 - Mode S code: A207CC - 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/N23SW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23SW - Page: https://openairdocs.org/deregistered/N23SW-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 (23) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA980083](https://openairdocs.org/sdr/SWAA980083), Jan 17, 1998: ISOLATION VALVE. FAILED. RETURNED TO DAL DUE TO THRUST REVERSER ISOLATION VALVE LIGHT ILLUMINATING. MADE AN UNEVENTFUL LANDING. REPLACED ISOLATION VALVE PER BOEING M/M. - [SDR SWAA980023](https://openairdocs.org/sdr/SWAA980023), Jan 8, 1998: SKIN. CRACKED. DURING SCHEDULED SC CHECK, FOUND A FUSELAGE SKIN CRACK AT LAP JOINT BS 470, AT S14L, AT BS 480, AT S10L, AND AT BS 490, AT S14L. REPAIRED ALL PER BOEING SRM. - [SDR SWAA970295](https://openairdocs.org/sdr/SWAA970295), Mar 18, 1997: BATTERY. DISCHARGED. DURING SCHEDULED TERMINAL CHECK, FOUND FWD HALF OF CABIN FLOOR TRACK LIGHTING INOP. REMOVED AND REPLACED FWD OVERHEAD BATTERY PACK PER BOEING M/M. - [SDR SWAA970204](https://openairdocs.org/sdr/SWAA970204), Feb 17, 1997: SKIN. CRACKED. DURING SCHEDULED TERMINAL CHECK, FOUND FUSELAGE EXTERIOR SKIN LAP CRACKED AT WINDOW FRAME 3R LOWER AFT ROW OF FASTENERS. REPAIRED PER SWA RA 1-253-1611. - [SDR SWAA970015](https://openairdocs.org/sdr/SWAA970015), Jan 6, 1997: SKIN. DAMAGED. DURING SCHEDULED D-CHECK, FOUND AFT ENTRY DOOR OUTER SKIN DAMAGED AROUND LOWER HINGE CUTOUT. REPAIRED PER BOEING SRM. - [SDR SWAA970014](https://openairdocs.org/sdr/SWAA970014), Jan 6, 1997: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM UPPER FLANGE CORROSION AT BS 947, LBL 53 TO RBL 53, BS 967, LBL 26 TO RBL 5, AT BS 987, LBL 40 TO RBL 44. REPAIRED PER - [SDR SWAA970013](https://openairdocs.org/sdr/SWAA970013), Jan 6, 1997: SUPPORT. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOOR SUPPORTS CORRODED AT BS 1006, BS 967 TO 987, AND AT BS 947 TO 967. REPAIRED PER BOEING SRM. - [SDR SWAA970012](https://openairdocs.org/sdr/SWAA970012), Jan 6, 1997: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM UPPER FLANGE CORRODED AT BS 1016, LBL 38 TO RBL 38, WL 208. REPLACED PER BOEING SRM. - [SDR SWAA970011](https://openairdocs.org/sdr/SWAA970011), Jan 6, 1997: SUPPORT. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOOR TO SIDEWALL SUPPORT RT SIDE CORRODED. REPAIRED PER BOEING SRM. - [SDR SWAA970010](https://openairdocs.org/sdr/SWAA970010), Jan 6, 1997: BULKHEAD. OIL CANNING. DURING SCHEDULED D-CHECK, FOUND BULKHEAD BS 178 OIL CANNING AT RBL 4, WL 192. REPAIRED PER BOEING SRM. - [SDR SWAA970009](https://openairdocs.org/sdr/SWAA970009), Jan 6, 1997: BULKHEAD. CRACKED. DURING SCHEDULED D-CHECK, FOUND BULKHEAD BS 178 CRACKED AT WL 203 TO 184, RBL 5.7, AT WL 218, RBL 9.7, AND AT WL 218, LBL 9.7. INSTALLED REPAIR DOUBLER PER BOEI - [SDR SWAA970008](https://openairdocs.org/sdr/SWAA970008), Jan 6, 1997: BULKHEAD CHORD. CRACKED. DURING SCHEDULED D-CHECK, FOUND LEFT SIDE CHORD RADIUS AT BULKHEAD BS 178, WL 195 CRACKED. REPLACED CHORD PER BOEING SRM. - [SDR SWAA970007](https://openairdocs.org/sdr/SWAA970007), Jan 6, 1997: STRINGER. CRACKED. DURING SCHEDULED D-CHECK, FOUND STRINGER 16L CRACKED AT BS 500A PLUS 16.5. REPAIRED PER BOEING SRM. - [SDR SWAA970006](https://openairdocs.org/sdr/SWAA970006), Jan 6, 1997: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM CORROSION AT UPPER FLANGE AT BS 360, LBL 11 TO RBL 63, WL 208. REPAIRED PER BOEING SRM. - [SDR SWAA970005](https://openairdocs.org/sdr/SWAA970005), Jan 6, 1997: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM CORROSION AT BS 344, LBL 60 TO RBL 11, WL 208. REPAIRED PER SWA RA 1-253-426. - [SDR SWAA970004](https://openairdocs.org/sdr/SWAA970004), Jan 6, 1997: WEB. CRACKED. DURING SCHEDULED D-CHECK, FOUND WEB CRACKED AT BS 400, RBL 25, WL 206. REPAIRED PER BOEING SRM. - [SDR SWAA970003](https://openairdocs.org/sdr/SWAA970003), Jan 6, 1997: BATTERY. DISCHARGED. DURING SCHEDULED D-CHECK, FOUND FWD SERVICE AND FWD ENTRY EXTERIOR EXIT LIGHTS INOP. REPLACED BATTERY PACK HOUSING PER M/M. - [SDR SWAA970002](https://openairdocs.org/sdr/SWAA970002), Jan 6, 1997: LIGHTS. INOPERATIVE. DURING SCHEDULED D-CHECK, FOUND 3 EMERGENCY EXIT LIGHTS INOP. REPLACED LIGHTS AND OP CHECKED PER BOEING M/M. - [SDR SWAA961403](https://openairdocs.org/sdr/SWAA961403), Dec 20, 1996: BULKHEAD SKIN. CRACKED. DURING SCHEDULED 1/2 D-CHECK, FOUND BS 178 BULKHEAD WEB SKIN CRACKED UNDERNEATH REINFORCEMENT CHANNEL. INSTALLED REPAIR DOULBER PER BOEING SRM. - [SDR SWAA960164](https://openairdocs.org/sdr/SWAA960164), Mar 18, 1996: CEILING. CRACKED. DURING SCHEDULED TERM CHECK, FOUND NOSE WHEEL WELL CEILING CRACKED NEAR ATTACH BRACKET FOR NLG MANUAL EXTENSION EXT SPRING. REPAIRED PER BOEING SRM. - [SDR SWAA950395](https://openairdocs.org/sdr/SWAA950395), May 17, 1995: START VALVE. FAILED. AT 17,000, NUMBER 1 ENGINE START VALVE OPEN LIGHT ILLUMINATED. CREW PERFORMED NUMBER 1 ENGINE SHUTDOWN CHECKLIST. AIRCRAFT LANDED AT IND WITHOUT INCIDENT. REPLA - [SDR SWAA95287](https://openairdocs.org/sdr/SWAA95287), Apr 10, 1995: TR MODULE. MALFUNCTIONED. AFTER DEPARTURE, THRUST REVERSER ISOLATION VALVE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO HOU AND MADE AN UNEVENTFUL LANDING. REPLACED BOTH ISOLATION PRESSURE SW - [SDR SWAA950202](https://openairdocs.org/sdr/SWAA950202), Mar 3, 1995: EEL BATTERY. DISCHARGED. DURING SCHEDULED C3 CHECK, FOUND COCKPIT EMERGENCY EXIT LIGHT DIM. REPLACED BATTERY PACK PER BOEING M/M. ## FAA accident and incident reports (1) 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 19800312033659I](https://openairdocs.org/incident/19800312033659I), Mar 12, 1980: Boeing 737200 (N23SW), Houston, TX. Engine malfunctioned after takeoff. Epr dropped, no throttle response. EGT increased. ## Other aircraft with N23SW - [Cancelled 1974-09-25](https://openairdocs.org/deregistered/N23SW-1974-09-25): Boeing 737-2H4C, S/N 20346. Exported to Brazil. Owner: [Southwest Airlines Inc](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20INC) --- 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.