# N56SW: Boeing 737-2H4, registration cancelled 2000-12-15 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: December 15, 2000 - Exported to: Canada - Status when cancelled: Triennial form not returned - Airframe: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (registry code 138448C) - Serial number: 21721 - Type of aircraft: Fixed wing multi engine - Certificate issued: January 2, 1992 - Last registry action: November 16, 1999 - Mode S code: A72636 - Owner when cancelled: [First Security Bank Na Trustee](https://openairdocs.org/faa-owner/FIRST%20SECURITY%20BANK%20NA%20TRUSTEE) - Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City) - Owner type: Corporation - Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N56SW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56SW - Page: https://openairdocs.org/deregistered/N56SW-2000-12-15 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 (70, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA991994](https://openairdocs.org/sdr/SWAA991994), Dec 1, 1999: POWER SUPPLY. INOP. DURING SCHEDULED SERVICE CHECK, FOUND OVERWING EMERGENCY EXIT LIGHTS INOP. REMOVED AND REPLACED POWER SUPPLY PER MM. - [SDR SWAA990330](https://openairdocs.org/sdr/SWAA990330), Feb 20, 1999: PLACARD. WORN. EMERGENCY EXIT PLACARD ABOVE EXTERIOR DOOR HANDLE ON FORWARD SERVICE DOOR WAS WEARING OFF. REPLACED PLACARD PER M/M. - [SDR SWAA980418](https://openairdocs.org/sdr/SWAA980418), Mar 28, 1998: RIB. GOUGED. DURING SCHEDULED 1/4 D-CHECK, FOUND DOUBLER REPAIR SPLICE SEALANT MISSING FWD AT BS 540 ALONG STR 3L. REPAIRED PER BOEING SRM. - [SDR SWAA980425](https://openairdocs.org/sdr/SWAA980425), Mar 27, 1998: CROSS MEMBER. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND FLOOR CROSS MEMBER CORRODED AT BS 1011 LBL 6.5, BS 1011 LBL 7.5 AND BS 1013 LBL 6. REMOVE AND REPLACED PER BOEING SRM. - [SDR SWAA980424](https://openairdocs.org/sdr/SWAA980424), Mar 27, 1998: CROSS MEMBER. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND FLOOR CROSS MEMBER CORRODED AT BS 1008.5 LBL 7.5, BS 1010 LBL 8.5 AND 1011 LBL 6.5. REMOVED AND REPLACED PER BOEING SRM. - [SDR SWAA980423](https://openairdocs.org/sdr/SWAA980423), Mar 27, 1998: CROSS MEMBER. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND FLOOR CROSS MEMBER CORRODED AT BS 998 LBL 13.5, BS 999 LBL 11.5 AND BS 1001 LBL 12. REMOVED AND REPLACED PER BOEING SRM. - [SDR SWAA980415](https://openairdocs.org/sdr/SWAA980415), Mar 27, 1998: ANGLE. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND ANGLE AND NUT PLATES CORRODED AT BS 269, RBL 11 THRU LBL 10. REPAIRED PER BOEING SRM. - [SDR SWAA980414](https://openairdocs.org/sdr/SWAA980414), Mar 27, 1998: FLOORBEAM. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND CORROSION UNDERNEATH FLOORBEAM NUT PLATE AT BS 429 RBL 8.5. REPAIRED PER BOEING SRM. - [SDR SWAA980413](https://openairdocs.org/sdr/SWAA980413), Mar 27, 1998: WEB. CRACKED. DURING SCHEDULED 1/4 D-CHECK, FOUND WEB LOWER END FWD OF DOOR CUTOUT CRACKED AT BS 440 AND AT BS 490. REPAIRED PER BOEING SRM. - [SDR SWAA980412](https://openairdocs.org/sdr/SWAA980412), Mar 27, 1998: ANGLE. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND Z-ANGLE AT AFT SERVICE DOOR CORRODED. REPAIRED PER BOEING SRM. - [SDR SWAA980411](https://openairdocs.org/sdr/SWAA980411), Mar 27, 1998: ANGLE. CRACKED. DURING SCHEDULED 1/4 D-CHECK, FOUND L-ANGLE FWD BOTTOM DOORWAY FRAME CRACKED AT BS 291.5. REPAIRED PER BOEING SRM. - [SDR SWAA980393](https://openairdocs.org/sdr/SWAA980393), Mar 26, 1998: SKIN. WORN. DURING SCHEDULED 1/4 D-CHECK, FOUND SKIN BELOW LT STAB. REAR SPAR ATTACH CUTOUT IS WORN. REPAIRED PER BOEING SRM. - [SDR SWAA980392](https://openairdocs.org/sdr/SWAA980392), Mar 26, 1998: FLOORBEAM. CORRODED. DURING SCHEDULED 1/4 D-CHECK, FOUND CORROSION ON FLOORBEAM AT BS 947, RBL 48.5. REPAIRED PER BOEING SRM. - [SDR SWAA980377](https://openairdocs.org/sdr/SWAA980377), Mar 25, 1998: WEB. CRACKED. DURING SCHEDULED 1/4 D-CHECK, FOUND WEB CRACKED RT UNDER TRANS ANGLE AT BS 460 TO 480 LBL 24. REMOVED AND REPLACED PER BOEING SRM. - [SDR SWAA980376](https://openairdocs.org/sdr/SWAA980376), Mar 25, 1998: SKIN. CRACKED. DURING SCHEDULED 1/4 D-CHECK, FOUND FUSELAGE SKIN CRACKED AT 2 ADJACENT FASTENERS AT BS 1136, STR 10R AND BS 1128, STR 10R. REPAIRED PER BOEING SRM. - [SDR SWAA980310](https://openairdocs.org/sdr/SWAA980310), Mar 15, 1998: SKIN. DAMAGED. DURING SERVICE VISIT, REPAIRED SKIN LAP AT BS 360 TO 540 STR 14L, STR 10L, 4L, 4R, 10R, 14R; BS 540 TO 727 STR 4L, 4R; BS 727 TO 908 STR 10L, 4L, 4R, 10R. REPAI - [SDR SWAA980302](https://openairdocs.org/sdr/SWAA980302), Mar 14, 1998: SKIN. CRACKED. DURING SCHEDULED SERVICE CHECK, FOUND SKIN 6 FASTENER HOLES CRACKED AT BS 947 STR 4L, 3 FASTENER HOLES CRACKED AT BS 1006 STR 4L AND 5 FASTENER HOLES CRACKED AT - [SDR SWAA980301](https://openairdocs.org/sdr/SWAA980301), Mar 14, 1998: STRINGER. CRACKED. DURING SCHEDULED SERVICE CHECK, FOUND NUMEROUS FASTENER HOLES CRACKED AT BS 1006 TO 1016 STR 10R, BS 908 TO 947 STR 10R, BS 908 TO 947 STR 14R, BS 1006 TO 1016 - [SDR SWAA980300](https://openairdocs.org/sdr/SWAA980300), Mar 14, 1998: STRINGER. DAMAGED. DURING SCHEDULED SERVICE CHECK, FOUND BS 727 TO 905 STRINGER 4L DAMAGED IN 4 PLACES AT BS 979, 817, 837 AND 857. REPAIRED PER BOEING SRM. - [SDR SWAA980299](https://openairdocs.org/sdr/SWAA980299), Mar 14, 1998: STRINGER. CRACKED. DURING SCHEDULED SERVICE CHECK, FOUND STRINGER 4 LT AT BS 383.5 HAS CRACK. REMOVED AND REPLACED PER BOEING SRM. - [SDR 98ZZZX1094](https://openairdocs.org/sdr/98ZZZX1094), Mar 2, 1998: SKIN. CRACKED. FUSELAGE SKIN CRACKED AT STA 915 STR 10L. REPAIRED PER DALFORT AEROSPACE, LP XEA X2-53-207 REV 1, DATED 2-27-98. FAA FORM 8110-3 DATED 2-27-98. - [SDR 98ZZZX1093](https://openairdocs.org/sdr/98ZZZX1093), Mar 2, 1998: SKIN. CRACKED. NUMEROUS FASTENER HOLES CRACKED IN FUSELAGE SKIN AT STR 14R STA 908 - STA 951. REPAIRED PER DALFORT AEROSPACE, LP XEA X2-53-206 DATED 2-25-98. FAA FORM 8110-3 D - [SDR 98ZZZX1092](https://openairdocs.org/sdr/98ZZZX1092), Mar 2, 1998: SKIN. CRACKED. FUSELAGE SKIN CRACKED AT THE FOLLOWING LOCATIONS, STA 908 STR 10R AND STA 1016 STR 10L AND STR 14R. REPAIRED PER DALFORT AEROSPACE, LP XEA X2-53-205 REV 1 DATED - [SDR SWAA970369](https://openairdocs.org/sdr/SWAA970369), Apr 3, 1997: STOP. CRACKED. DURING SCHEDULED B-CHECK, FOUND CRACK AT AIRSTAIR DOORWAY STOP ON FUSELAGE UPPER STOP SECOND FROM LAST SUPPORT BRACKET. REPAIRED PER BOEING SRM. - [SDR SWAA970368](https://openairdocs.org/sdr/SWAA970368), Apr 3, 1997: FRAME. CRACKED. DURING SCHEDULED B-CHECK, FOUND CRACK IN FWD CARGO DOOR FRAME WEB FWD STOP, SECOND FROM MOST INBOARD STOP. INSTALLED REPAIR DOUBLER PER BOEING SRM. - [SDR SWAA970023](https://openairdocs.org/sdr/SWAA970023), Jan 8, 1997: SKIN. CRACKED. DURING SCHEDULED B-CHECK, FOUND FUSELAGE SKIN CRACKED APPROX .125 INCH AT UPPER CUTOUT AT AFT SERVICE DOOR. REPAIRED PER SWA RA 1-253-1590. - [SDR SWAA961119](https://openairdocs.org/sdr/SWAA961119), Oct 16, 1996: LIGHT. INOPERATIVE. DURING SCHEDULED SERVICE CHECK, FOUND AFT SERVICE DOOR EMERGENCY LIGHT NOT TESTING. REMOVED AND REPLACED LIGHT ASSEMBLY AND OP CHECKED PER BOEING M/M. - [SDR SWAA961024](https://openairdocs.org/sdr/SWAA961024), Sep 27, 1996: SKIN. CRACKED. DURING SCHEDULED SERVICE CHECK, FOUND FUSELAGE SKIN DAMAGED AT BS 251, AT S24R. REPAIRED PER BOEING SRM. - [SDR SWAA960772](https://openairdocs.org/sdr/SWAA960772), Aug 8, 1996: LIGHT. INOPERATIVE. AT GATE, FOUND AFT ENTRYWAY EMERGENCY EXIT LIGHTS DIM. REPLACED LIGHT ASSEMBLY PER BOEING M/M. - [SDR SWAA96677](https://openairdocs.org/sdr/SWAA96677), Jul 19, 1996: SHEAR TIE. CRACKED. DURING SCHEDULED C4 CHECK, FOUND A .25 INCH CRACK ON BELTFRAME TO SKIN SHEAR TIE AT BS 1104, BETWEEN STRINGERS 12 AND 13L AT LEFT SIDE OF APU. REPLACED SHEAR TI - [SDR SWAA96676](https://openairdocs.org/sdr/SWAA96676), Jul 19, 1996: SKIN. CRACKED. DURING SCHEDULED C4 CHECK, FOUND LOWER FUSELAGE SKIN CRACKED FWD OF DME ANTENNA CUTOUT. REPAIRED PER BOEING SRM. - [SDR SWAA96675](https://openairdocs.org/sdr/SWAA96675), Jul 19, 1996: SKIN. GOUGED. DURING SCHEDULED C4 CHECK, FOUND FWD CARGO DOOR CUTOUT GOUGED BEYOND SRM LIMITS. REPAIRED PER BOEING SRM. - [SDR SWAA960201](https://openairdocs.org/sdr/SWAA960201), Apr 10, 1996: SKIN. CRACKED. DURING SCHEDULED SERVICE CHECK, FOUND FUSELAGE SKIN CRACKED 7 FT AFT OF AFT CARGO DOOR. REPAIRED PER BOEING SRM. - [SDR SWAA960166](https://openairdocs.org/sdr/SWAA960166), Mar 19, 1996: FRAME. CRACKED. DURING SCHEDULED D-CHECK, FOUND FUSELAGE FRAME CRACKED AT BS 727A, WL 209, BL 64 LEFT. REPAIRED PER BOEING SRM. - [SDR SWAA960165](https://openairdocs.org/sdr/SWAA960165), Mar 19, 1996: STRINGER. CRACKED. DURING SCHEDULED D-CHECK, FOUND CRACK INDICATIONS AT RT WING STRINGER 13R, WRL 91 TO WBL 94 LOWER RADIUS. REPAIRED PER BOEING SRM AND DRAWING 65C34533. - [SDR SWAA950793](https://openairdocs.org/sdr/SWAA950793), Dec 20, 1995: MODULE. FAILED. NLG RED LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. AIRCRAFT RETURNED TO MDW AND MADE AN UNEVENTFUL LANDING. REPLACED LANDING GEAR CONTROL MODULE PER BOEI - [SDR SWAA950735](https://openairdocs.org/sdr/SWAA950735), Nov 10, 1995: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM UPPER CHORD CORROSION AT BS 312 LBL 12 RBL 14 WL 208. REPAIRED PER BOEING SRM. - [SDR SWAA950734](https://openairdocs.org/sdr/SWAA950734), Nov 10, 1995: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM UPPER CHORD CORROSION AT BS 328 LBL 12 RBL 10, 24, 27, WL 208. REPAIRED PER BOEING SRM. - [SDR SWAA950733](https://openairdocs.org/sdr/SWAA950733), Nov 10, 1995: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM FASTENER HOLE CORROSION AT BS 987.5 LBL 13 WL 208 RBL 7, 10, 21, 23.5 AND RBL 31 WL 208. REPAIRED PER TRMCO EWO 95-065 - [SDR SWAA950732](https://openairdocs.org/sdr/SWAA950732), Nov 10, 1995: FLOORBEAM. CORRODED. DURING SCHEDULED D-CHECK, FOUND FLOORBEAM CORRODED AT BS 344 BL 0 LBL 8, 15, 22, 30, RBL 9, 12, WL 208. REPLACED PER BOEING SRM. - [SDR SWAA950731](https://openairdocs.org/sdr/SWAA950731), Nov 10, 1995: BEAM. CRACKED. DURING SCHEDULED D-CHECK, FOUND FWD ENTRY DOOR UPPER GATE BEAM CRACKED. REPLACED PER BOEING SRM. - [SDR SWAA950730](https://openairdocs.org/sdr/SWAA950730), Nov 10, 1995: BEAM. CRACKED. DURING SCHEDULED D-CHECK, FOUND LONGITUDINAL BEAM, VERTICAL FLANGE CRACKED AT BS 685 WL 207 RBL 25. REPAIRED PER TRAMCO EWO 95-0663. - [SDR SWAA950729](https://openairdocs.org/sdr/SWAA950729), Nov 10, 1995: SHEAR TIE. CORRODED. DURING SCHEDULED D-CHECK, FOUND SHEAR TIE CORRODED AT BS 927 LBL 6 WL 168 BETWEEN S26 TO 27L. REPAIRED PER BOEING SRM. - [SDR SWAA950728](https://openairdocs.org/sdr/SWAA950728), Nov 10, 1995: STRINGER. MISDRILLED. DURING SCHEDULED D-CHECK, FOUND STRINGER MISDRILLED AT BS 727A S8L. REPAIRED PER BOEING SRM. - [SDR SWAA950727](https://openairdocs.org/sdr/SWAA950727), Nov 10, 1995: SPLICE. CRACKED. DURING SCHEDULED D-CHECK, FOUND STRINGER SPLICE CRACKED AT BS 663 S1 AND S3R. REPAIRED PER BOEING SRM. - [SDR SWAA950726](https://openairdocs.org/sdr/SWAA950726), Nov 10, 1995: STRINGER. CRACKED. DURING SCHEDULED D-CHECK, FOUND STRINGERS CRACKED AT BS 480 S24L AND 25L, BS 727 PLUS 8, S9L, BS 727 PLUS 8, S9L, AND BS 296 S10L. REPAIRED PER BOEING SRM. - [SDR SWAA950725](https://openairdocs.org/sdr/SWAA950725), Nov 10, 1995: FRAME. DENTED. DURING SCHEDULED D-CHECK, FOUND FUSELAGE FRAMES DENTED AT BS 480 LBL 33 WL 160, LBL 40 WL 163, LBL 50 WL 173. REPAIRED PER BOEING SRM. - [SDR SWAA950724](https://openairdocs.org/sdr/SWAA950724), Nov 10, 1995: FRAME. CRACKED. DURING SCHEDULED D-CHECK, FOUND RIGHT AFT SERVICE DOOR FRAME CRACKED AT BS 494 RBL 36 S24R. REPAIRED PER TRAMCO EWO 95-0644. - [SDR SWAA950723](https://openairdocs.org/sdr/SWAA950723), Nov 10, 1995: SKIN. CORRODED. DURING SCHEDULED D-CHECK, FOUND SKIN AND SHEAR TIE CORRODED AT BS 847 BBL 0 TO LBL 4 S27L TO 27R. REPAIRED PER BOEING SRM. - [SDR SWAA950722](https://openairdocs.org/sdr/SWAA950722), Nov 10, 1995: SKIN. LIGHTNING STRIKE. DURING SCHEDULED D-CHECK, LIGHTNING STRIKE DAMAGE TO FUSELAGE SKIN AT BS 633 S6L. REPAIRED PER BOEING SRM. All 70: https://openairdocs.org/deregistered/N56SW-2000-12-15/reports.md ## 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 19820205002139I](https://openairdocs.org/incident/19820205002139I), Feb 5, 1982: Boeing 7372H4 (N56SW), Houston, TX, Substantial damage. Zg declared emergency when engine overheat light illuminated. Checked and cleaned the overheat connector. - [Incident 19800602051519I](https://openairdocs.org/incident/19800602051519I), Jun 2, 1980: Boeing 7372H4 (N56SW), Houston, TX. During climb cabin altitude warning horn sounded. Masks deployed. Made emergency descent and landed. ## Other aircraft with N56SW - [Registered now](https://openairdocs.org/aircraft/N56SW): Wilson Steven K GS-2 SPORTSMAN, S/N 7109, built 2009 - [Cancelled 2004-04-15](https://openairdocs.org/deregistered/N56SW-2004-04-15): Ward Terrence E QUICKSILVER GT-500, S/N 375, built 2001. Exported to Mexico. Owner: [Ward Terrence E](https://openairdocs.org/faa-owner/WARD%20TERRENCE%20E), [Sedona, AZ](https://openairdocs.org/faa-place/AZ/Sedona) --- 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.