# N423US: 1989 Boeing 737-401, registration cancelled 2014-04-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 9, 2014
- Exported to: Venezuela
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-401](https://openairdocs.org/model/boeing-737-401) (registry code 138449B)
- Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Serial number: 23990
- Year built: 1989
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Special flight permit
- Airworthiness date: November 11, 2013
- Last registry action: April 9, 2014
- Mode S code: A50897
- Owner when cancelled: [Shell Aerospace Supplies Inc](https://openairdocs.org/faa-owner/SHELL%20AEROSPACE%20SUPPLIES%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- Owner's area on the map: 25.8050° N, 80.3151° W: Placed by OpenAirDocs at the center of ZIP code 33122, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N423US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423US
- Page: https://openairdocs.org/deregistered/N423US-2014-04-09

From the FAA registry file of October 29, 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 737-401: https://openairdocs.org/model/boeing-737-401.md

## Service difficulty reports (232, newest 50)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR USAA2012062900008](https://openairdocs.org/sdr/USAA2012062900008), Jun 28, 2012: LIGHT. INOPERATIVE. CREW REPORTED THE OVERHEAD EMERGENCY EXIT LIGHT AT ROW 7 WILL NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE OVERHEAD EMERGENCY EXIT LIGHT AT ROW 7R PER A
- [SDR USAA2012061300011](https://openairdocs.org/sdr/USAA2012061300011), Jun 11, 2012: SKIN. CRACKED. THRU FLIGHT - CRACK ON FUSELAGE SKIN AT BS 500G MINUS 14 INCHES BELOW S13R. REPAIRED FUSELAGE SKIN AT 14 INCHES MINUS OF BS 500G BELOW S13R IAW EA 104027.
- [SDR USAA2012052500005](https://openairdocs.org/sdr/USAA2012052500005), May 24, 2012: SIGN. UNSECURE. CREW REPORTED THE EMERGENCY EXIT SIGN BROKEN AT SEAT 11C. MAINTENANCE SECURED EMERGENCY EXIT SIGN. OK FOR SERVICE.
- [SDR USAA2012031200020](https://openairdocs.org/sdr/USAA2012031200020), Mar 10, 2012: LENS. MISSING. MAINTENANCE REPORTED ROW 11 LT SIDE EMERGENCY LIGHT LENS MISSING. MAINTENANCE REPLACED MISSING LENS.
- [SDR USAA2012022800020](https://openairdocs.org/sdr/USAA2012022800020), Feb 27, 2012: CONTROLLER. UNSERVICEABLE. AT FL290, CREW REPORTED THE CABIN ALTITUDE WARNING HORN SOUNDED. CABIN WAS ABOVE 10,000 FT. CREW FOLLOWED QRH PROCEDURES AND CABIN KEPT CLIMBING. AN EMERGENCY D
- [SDR USAA2011122000001](https://openairdocs.org/sdr/USAA2011122000001), Dec 19, 2011: HINGE. LACK OF LUBE. THE 'A' FLIGHT ATTENDANT REPORTED DOOR L1 IS DIFFICULT TO CLOSE. MAINTENANCE CLEANED AND LUBED DOOR HINGES. DOOR OPERATES NORMALLY. OK FOR SERVICE.
- [SDR USAA2011121900003](https://openairdocs.org/sdr/USAA2011121900003), Dec 16, 2011: BATTERY PACK. DISCHARGED. FLIGHT ATTENDANT REPORTS ONE FORWARD BULKHEAD EMERGENCY FLASHLIGHT STATUS LED IS NOT FLASHING. MAINTENANCE REPLACED BATTERY PACK PER CMM 25-60-02. OPERATIONAL C
- [SDR USAA2011093000011](https://openairdocs.org/sdr/USAA2011093000011), Sep 30, 2011: WIRE. PULLED. MAINTENANCE REPORTED SEAT 23C EMERGENCY EXIT PATH LIGHTS DO NOT ILLUMINATE. MAINTENANCE FOUND WIRES PULLED FROM SPLICE UNDER SEAT 23C. INSTALLED NEW SPLICE AND 
- [SDR USAA2011091400004](https://openairdocs.org/sdr/USAA2011091400004), Sep 14, 2011: BOTTLE. LOW PRESSURE. MAINTENANCE REPORTED THE AFT RIGHT SERVICE DOOR ESCAPE SLIDE PRESSURE WAS LOW. MAINTENANCE REMOVED AND REPLACED THE AFT RIGHT SERVICE DOOR ESCAPE SLIDE PER J/C 
- [SDR USAA2011091200002](https://openairdocs.org/sdr/USAA2011091200002), Sep 9, 2011: BATTERY. DISCHARGED. CREW REPORTED THE FLIGHT ATTENDANT EMERGENCY FLASHLIGHT AT FORWARD STATION WAS INOPERATIVE. MAINTENANCE REPLACED BATTERY. OPERATIONAL CHECK GOOD.
- [SDR USAA2011082200017](https://openairdocs.org/sdr/USAA2011082200017), Aug 19, 2011: SIGN. UNSECURE. CREW REPORTED THE AIRCRAFT RIGHT OVERWING EMERGENCY EXIT SIGN FALLING OFF (INTERIOR). MAINTENANCE RE-INSTALLED EXIT SIGN PER AMM 33-51-12-201.
- [SDR USAA2011071500018](https://openairdocs.org/sdr/USAA2011071500018), Jul 15, 2011: BATTERY. DISCHARGED. MAINTENANCE REPORTED THE LEFT AFT EMERGENCY LIGHT BATTERY INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY. EMERGENCY LIGHTS OPS CHECK GOOD IAW AMM 33-
- [SDR USAA2011063000007](https://openairdocs.org/sdr/USAA2011063000007), Jun 29, 2011: SIGN. DETACHED. FLT 739 - PHL-TPA - EEL - CREW REPORTED THE EMERGENCY EXIT SIGN HAS DETACHED FROM AIRCRAFT RIGHT BETWEEN THE TWO WINDOW EXITS. MAINTENANCE INSTALLED EXIT SIGN P
- [SDR USAA2011021490728](https://openairdocs.org/sdr/USAA2011021490728), Feb 12, 2011: SKIN. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON KEEL BEAM SKIN AT BS 767 - BS 787, RBL 8. REPAIRED KEEL BEAM SKIN AT BS 767 - BS 787, RBL 8 IAW
- [SDR USAA2011021490727](https://openairdocs.org/sdr/USAA2011021490727), Feb 10, 2011: STRINGER. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON STRINGER AT BS 1114 - BS 1126, S12R - S15R. REPAIRED STRINGER AT BS 1114 - BS 1126, S12R - S15R
- [SDR USAA2011021490719](https://openairdocs.org/sdr/USAA2011021490719), Feb 9, 2011: INTERCOSTAL. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON INTERCOSTAL AT BS 790, RBL 24. REPLACED INTERCOSTAL AT BS 790, RBL 24 IAW B737 SRM 51-40-02.
- [SDR USAA2011021490718](https://openairdocs.org/sdr/USAA2011021490718), Feb 9, 2011: STRAP. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON TEAR STRAP AT BS 794, RBL 24. REPLACED TEAR STRAP AT BS 794, RBL24 IAW B737 SRM 51-40-02.
- [SDR USAA2011021490717](https://openairdocs.org/sdr/USAA2011021490717), Feb 9, 2011: DOUBLER. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FRAME DOUBLER AT FR 794, S25R. INSTALLED NEW FRAME DOUBLER AT FR 794, S25R IAW B737 SRM 51-40-0
- [SDR USAA2011021490722](https://openairdocs.org/sdr/USAA2011021490722), Feb 8, 2011: FRAME. CRACKED. CLT - MAJOR REPAIR - Q3 CHECK - CRACKED FRAME AT BS 827, S8R - S9R. REPAIRED FRAME AT BS 827, S8R - S9R IAW EA 102588.
- [SDR USAA2011020990645](https://openairdocs.org/sdr/USAA2011020990645), Feb 3, 2011: GATE. CRACKED. CLT - Q3 - MAJOR REPAIR - FORWARD ENTRY DOOR LOWER GATE CASTING CRACKED. REPLACED FORWARD ENTRY DOOR IAW JOB CARD 03C10552009.
- [SDR USAA2011021490724](https://openairdocs.org/sdr/USAA2011021490724), Feb 1, 2011: FRAME. CORRODED. CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FRAME AT BS 794.3, S23R - S25R. REPLACED FRAME AT BS 794.3, S23R - S25R IAW B737 SRM 51-40-02.
- [SDR USAA2011020990642](https://openairdocs.org/sdr/USAA2011020990642), Feb 1, 2011: THRESHOLD. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON AFT CARGO DOOR THRESHOLD WEB BETWEEN BS 794 TO BS 847, RBL 25. REPLACED AFT CARGO DOOR THRESHOLD WEB 
- [SDR USAA2011020190477](https://openairdocs.org/sdr/USAA2011020190477), Jan 31, 2011: DOOR. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON MAIN ENTRY DOOR LOWER GATE. REPLACED MAIN ENTRY DOOR IAW JOB CARD 03C10552009.
- [SDR USAA2011020990644](https://openairdocs.org/sdr/USAA2011020990644), Jan 30, 2011: BEAM. CRACKED. CLT - Q3 - MAJOR REPAIR - FORWARD SERVICE DOOR CRACKED AT BEAM 4 TRAILING EDGE FRAME STOP FITTING CUTOUT. REPLACED FORWARD SERVICE DOOR IAW JOB CARD 03C10652008
- [SDR USAA2011020190478](https://openairdocs.org/sdr/USAA2011020190478), Jan 30, 2011: STOP FITTING. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON FORWARD SERVICE DOOR ON BACK SIDE OF STOP FITTING. REPLACED FORWARD SERVICE DOOR IAW JOB CARD 03C10652009.
- [SDR USAA2011020990643](https://openairdocs.org/sdr/USAA2011020990643), Jan 28, 2011: FLOORBEAM. CORRODED. CLT - Q3 - MAJOR REPAIR - CRACK ON FLOORBEAM AT BS 662.5, RBL 24. REPAIRED FLOORBEAM AT BS 662.5, RBL 24 IAW EA 102518.
- [SDR USAA2011012890404](https://openairdocs.org/sdr/USAA2011012890404), Jan 28, 2011: FRAME. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FUSELAGE FRAME AT BS 794.3, S22R. REPLACED FUSELAGE FRAME AT BS 794.3, S22R IAW B737 SRM 51-40-02.
- [SDR USAA2011012890402](https://openairdocs.org/sdr/USAA2011012890402), Jan 27, 2011: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK IN FUSELAGE FRAME AT BS 500D BETWEEN S21L TO S20L. REPAIRED FUSELAGE FRAME AT BS 500D BETWEEN S21L TO S20L IAW B737 SRM 53-00-07
- [SDR USAA2011012890403](https://openairdocs.org/sdr/USAA2011012890403), Jan 23, 2011: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK IN FUSELAGE FRAME AT BS 500F AT S21L. REPAIRED FUSELAGE FRAME AT BS 500F AT S21L IAW B373 SRM 53-00-07 REPAIR 13.
- [SDR USAA2011012790366](https://openairdocs.org/sdr/USAA2011012790366), Jan 20, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT THE FORWARD SIDE OF BS 294.5, S13L. REPLACED STRINGER TIE CLIP AT THE FORWARD SIDE OF BS 294.5, S13L IAW
- [SDR USAA2011012790370](https://openairdocs.org/sdr/USAA2011012790370), Jan 19, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 578, S4R. REPLACED STRINGER TIE CLIP AT BS 578, S4R IAW ENGINEERING JOB CARD E1C53005 & EA 102516.
- [SDR USAA2011012790367](https://openairdocs.org/sdr/USAA2011012790367), Jan 19, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 639, S2L. REPLACED STRINGER TIE CLIP AT BS 639, S2L IAW ENGINEERING JOB CARD E1C53005.
- [SDR USAA2011012790373](https://openairdocs.org/sdr/USAA2011012790373), Jan 18, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 616, S4L. REPLACED STRINGER TIE CLIP AT BS 616, S4L IAW ENGINEERING JOB CARD E1C53005 & EA 102516.
- [SDR USAA2011012790372](https://openairdocs.org/sdr/USAA2011012790372), Jan 18, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 616, S4R. REPLACED STRINGER TIE CLIP AT BS 616, S4R IAW ENGINEERING JOB CARD E1C53005 & EA 102516.
- [SDR USAA2011012790371](https://openairdocs.org/sdr/USAA2011012790371), Jan 18, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 601, S4R. REPLACED STRINGER TIE CLIP AT BS 601, S4R IAW ENGINEERING JOB CARD E1C53005 & EA 102516.
- [SDR USAA2011012790368](https://openairdocs.org/sdr/USAA2011012790368), Jan 18, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 616, S3L. REPLACED STRINGER TIE CLIP AT BS 616, S3L IAW EA 102516.
- [SDR USAA2011012890401](https://openairdocs.org/sdr/USAA2011012890401), Jan 17, 2011: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK IN FUSELAGE FRAME AT BS 500B BETWEEN S21R TO S20R. REPAIRED FUSELAGE FRAME AT BS 500B BETWEEN S21R TO S20R IAW B737 SRM 53-00-07
- [SDR USAA2011012890400](https://openairdocs.org/sdr/USAA2011012890400), Jan 17, 2011: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK IN FUSELAGE FRAME AT BS 500C BETWEEN S21R TO S20R. REPAIRED FUSELAGE FRAME AT BS 500C BETWEEN S21R TO S20R IAW B737 SRM 53-00-07
- [SDR USAA2011021490725](https://openairdocs.org/sdr/USAA2011021490725), Jan 16, 2011: SKIN. CRACKED. CLT - MAJOR REPAIR - Q3 CHECK - CRACKED FUSELAGE SKIN AT BS 727E + 3, S23L. REPLACED FUSELAGE SKIN AT BS 727E + 3, S23L IAW EA 102535.
- [SDR USAA2011020190473](https://openairdocs.org/sdr/USAA2011020190473), Jan 16, 2011: ANGLE. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON Z-ANGLE BETWEEN BS 914 TO BS 1006, S17L. REPLACED Z-ANGLE BETWEEN BS 914 TO BS 1006, S17L IAW B737 SR
- [SDR USAA2011020190471](https://openairdocs.org/sdr/USAA2011020190471), Jan 16, 2011: FLOORBEAM. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FLOORBEAM AT BS 986.5 BETWEEN LBL 24 TO LBL 40. REPAIRED FLOORBEAM AT BS 986.5 BETWEEN LBL 24 TO LBL 
- [SDR USAA2011012790374](https://openairdocs.org/sdr/USAA2011012790374), Jan 15, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 639, S4L. REPLACED STRINGER TIE CLIP AT BS 639, S4L IAW ENGINEERING JOB CARD E1C53005 & EA 102516.
- [SDR USAA2011020190474](https://openairdocs.org/sdr/USAA2011020190474), Jan 11, 2011: INTERCOSTAL. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON INTERCOSTAL AT BS 303.5, LBL 12. REPLACED INTERCOSTAL AT BS 303.5, LBL 12 IAW B737 SRM 51-40-02.
- [SDR USAA2011020190470](https://openairdocs.org/sdr/USAA2011020190470), Jan 11, 2011: STIFFENER. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FLOORBEAM STIFFENER BETWEEN BS 312 TO BS 328, LBL 11. REPLACED FLOORBEAM STIFFENER BETWEEN BS 312 TO 
- [SDR USAA2011020190480](https://openairdocs.org/sdr/USAA2011020190480), Jan 10, 2011: SKIN. DELAMINATED. CLT - Q3 - MAJOR REPAIR - DELAMINATION ON UPPER SURFACE OF NR 5 TRAILING EDGE SLAT 15.5 INCHES INBOARD FROM OUTBOARD EDGE & 5 INCHES FORWARD OF TRAILING EDGE. R
- [SDR USAA2011020190479](https://openairdocs.org/sdr/USAA2011020190479), Jan 10, 2011: SKIN. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACKS ON NR 1 SLAT LOWER TRAILING EDGE SURFACE 43 INCHES OUTBOARD OF INBOARD EDGE. REPAIRED NR 1 SLAT LOWER TRAILING EDGE SURFACE 43 
- [SDR USAA2011020190475](https://openairdocs.org/sdr/USAA2011020190475), Jan 10, 2011: STIFFENER. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FLOOR STIFFENER BETWEEN BS 312 TO BS 328, RBL 11. REPLACED FLOOR STIFFENER BETWEEN BS 312 TO BS 328, 
- [SDR USAA2011012790369](https://openairdocs.org/sdr/USAA2011012790369), Jan 8, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 639, S8L. REPLACED STRINGER TIE CLIP AT BS 639, S8L IAW ENGINEERING JOB CARD E1C53005.
- [SDR USAA2011012790364](https://openairdocs.org/sdr/USAA2011012790364), Jan 7, 2011: TIE CLIP. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON FRAME CLIP AT BS 360 BETWEEN S13L TO S14L. REPLACED FRAME CLIP AT BS 360 BETWEEN S13L TO S14L IAW B737 SRM 51-40-02 & BOEING 
- [SDR USAA2011021490729](https://openairdocs.org/sdr/USAA2011021490729), Jan 6, 2011: DOUBLER. CRACKED. CLT - MAJOR REPAIR - Q3 CHECK - CRACKED DOUBLER AT LEFT PYLON ACCESS OPENING 5728L, INBOARD AFT CORNER. REPAIRED LEFT PYLON ACCESS OPENING 5728L, INBOARD AFT CO

All 232: https://openairdocs.org/deregistered/N423US-2014-04-09/reports.md

## 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 19911007050479I](https://openairdocs.org/incident/19911007050479I), Oct 7, 1991: Boeing 737401 (N423US), Kansas City, MO. Noticed oil quantity loss after departure. Diverted for landing. Oil quantity transmitter was faulty.

## Other aircraft with N423US

- [Registered now](https://openairdocs.org/aircraft/N423US): Costruzioni Aeronautiche Tecna P2010 TDI, S/N 324/US, built 2025

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