# Service difficulty reports: N440US, cancelled Feb 24, 2025

A list on [N440US, cancelled Feb 24, 2025](https://openairdocs.org/deregistered/N440US-2025-02-24.md).

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

Page 1 of 5 · 220 reports

- [SDR I5EA2023110600006](https://openairdocs.org/sdr/I5EA2023110600006.md): Battery Pack · no test · Nov 6, 2023 · N440US · Boeing 7374B7 · Emergency Lighting
  > MID CABIN OVERHEAD EMERGENCY LIGHT INOP. - REPLACED EMERGENCY BATTERY PACK AND POWER SUPPLY WITH SERVICEABLE UNITS IAW B737 AMM 33-51-51. OPS CHECK GOOD.
- [SDR I5EA2021062900002](https://openairdocs.org/sdr/I5EA2021062900002.md): Adapter · inoperative · Jun 29, 2021 · N440US · Boeing 7374B7 · Attitude and Direction Data System
  > LOSS OF BOTH ADI'S AND BOTH FLIGHT DIRECTORS, USED STANDBY ADI TO RETURN TO FIELD, EMERGENCY DECLARED. REMOVED AND REPLACED DIGITAL ANALOG ADAPTER IAW B737-400 AMM 34-28-11, OPS CHECKED GOOD. ALSO PERFORMED FLIGHT DIRECTOR CHECK INTHE DFCS BITE CHECK IAW B73
- [SDR I5EA2021022600008](https://openairdocs.org/sdr/I5EA2021022600008.md): Battery Pack · no test · Feb 26, 2021 · N440US · Boeing 7374B7 · Emergency Lighting
  > CENTER AISLE EMERGENCY EXIT SIGN INOP. REMOVED AND REPLACED EMERGENCY EXIT CENTER AISLE STA 629 BATTERY PACK AND OPS CHECK GOOD IAW B-737-400 AMM 33-51-51.
- [SDR I5EA2020040901](https://openairdocs.org/sdr/I5EA2020040901.md): Light · inoperative · Apr 8, 2020 · N440US · Boeing 7374B7 · Emergency Lighting
  > EMERGENCY LIGHT INOP AT ROW 7 DEF.
- [SDR I5EA201910310903](https://openairdocs.org/sdr/I5EA201910310903.md): Slide · unsecure · Oct 24, 2019 · N440US · Boeing 7374B7 · Escape Slide
  > L1 DOOR SLIDE LOOSE
- [SDR I5EA201910250003](https://openairdocs.org/sdr/I5EA201910250003.md): Slide · loose · Oct 24, 2019 · N440US · Boeing 7374B7 · Escape Slide
  > L1 DOOR SLIDE LOOSE.
- [SDR I5EA2019050800001](https://openairdocs.org/sdr/I5EA2019050800001.md): Power Supply · failed · May 6, 2019 · N440US · Boeing 7374B7 · Emergency Lighting
  > DISCREPANCY: EMERGANCY LIGHT POWER SUPPLY M1479 STA 598A INOP. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGANCY LIGHT POWER SUPPLY M179 AT STA 597A IAW AMM 33-51-51.
- [SDR I5EA2018102900013](https://openairdocs.org/sdr/I5EA2018102900013.md): Battery Pack · discharged · Oct 27, 2018 · N440US · Boeing 7374B7 · Emergency Lighting
  > DISCREPANCY: EMERGENCY LIGHT BATTERY PACK AT M1132 AT STA 338L. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1132 AT STA 338L, TEST GOOD IAW AMM33-51-51.
- [SDR I5EA2017062200135](https://openairdocs.org/sdr/I5EA2017062200135.md): Battery · discharged · Jun 20, 2017 · N440US · Boeing 7374B7 · Emergency Lighting
  > SOME OF THE EMERGENCY LIGHTS DID NOT ILLUMINATE DURING TEST. FOUND THE BATTERY DISCHARGED.
- [SDR I5EA2015051800032](https://openairdocs.org/sdr/I5EA2015051800032.md): Landing Gear · malfunctioned · May 15, 2015 · N440US · Boeing 7374B7 · Landing Gear Retraction/Extension System
  > AT 9000 FT, WITH THE GEAR HANGLE IN THE OFF POITION, GEAR EXTENDED. WHEN THE HANDLE WAS MOVED UP, WITH OVERIDE, 3 RED LIGHTS AND THE GEAR DID NOT COME UP. IN DOWN POSITION 3 GREEN LIGHTS FOLLOWED QRH. PERFORMED GEAR CONTROL SYS, NLG & MLG EXTENTION AND RETR
- [SDR I5EA201502210001](https://openairdocs.org/sdr/I5EA201502210001.md): Aoa · malfunctioned · Feb 21, 2015 · N440US · Boeing 7374B7 · Stall Warning System
  > RTO AT 100K 97.000LBS TEMP -12C BRAKE COOLING REQUIRED 48 MINUTES. REASON FOR RTO GOT STICK SHAKER. R & R LT AOA SENSOR OPS CHECK GOOD.
- [SDR I5EA0201511300024](https://openairdocs.org/sdr/I5EA0201511300024.md): Squat Switch · malfunctioned · Jan 30, 2015 · N440US · Boeing 7374B7 · Stall Warning System
  > STALL WARNING SHAKER ON JUST PAST 80K ON T/O ROLL. R & R CIRCOIL CARD M990 GROUND SENSING SQUAT SW. FUNCTIONAL CHECK OF CARD AND RELATED SYSTEM GOOD. STALL WARNING TEST GOOD.
- [SDR USAA2014060300006](https://openairdocs.org/sdr/USAA2014060300006.md): Lens · broken · Jun 2, 2014 · N440US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTED THE EXIT LIGHT LENS 12C BROKEN. REPLACED LIGHT ASSEMBLY AT ROW 12C IAW ESPM 20-45-01. OPERATIONS CHECKED SATISFACTORY.
- [SDR USAA2014052000001](https://openairdocs.org/sdr/USAA2014052000001.md): Light · broken · May 19, 2014 · N440US · Boeing 7374B7 · Emergency Lighting
  > THE 2L DOOR EMERGENCY EXIT LIGHT BROKEN. REPLACED LIGHT ASSEMBLY, EMERGENCY LIGHT AT 2L DOOR CHECKED GOOD.
- [SDR USAA2014050500018](https://openairdocs.org/sdr/USAA2014050500018.md): Cover · damaged · May 2, 2014 · N440US · Boeing 7374B7 · Emergency Lighting
  > REPORTED THE LT OVERWING EXIT SIGN COVER DAMAGED. R & R LT OVERWING EXIT SIGN COVER IAW AMM 33-51-11-002-004 402-007.
- [SDR USAA2014050500025](https://openairdocs.org/sdr/USAA2014050500025.md): Skin · cracked · Apr 30, 2014 · N440US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > A.437 INCH CRACK ON FUSELAGE SKIN AT BS 312, STRINGER 6L. REPAIRED SKIN IAW SRM 53-10-01, REPAIR 17, DETAIL IV & EA 105901.
- [SDR USAA2014042300004](https://openairdocs.org/sdr/USAA2014042300004.md): Skin · cracked · Apr 22, 2014 · N440US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > DROP IN VISIT 2 INCH CRACK ON FUSELAGE SKIN BELOW L2 DOOR AT BS 970, STRINGER 20L. REPAIRED FUSELAGE SKIN BELOW L2 DOOR AT BS 970, STRINGER 20L IAW EA 105839.
- [SDR USAA2014030600004](https://openairdocs.org/sdr/USAA2014030600004.md): Seat Track · lack of lube · Mar 5, 2014 · N440US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > CREW REPORTS THE CAPTAIN`S SEAT IS DIFFICULT TO MOVE BACK & FWD. LUBED SEAT TRACK AS NEEDED, CHECKED OK.
- [SDR USAA2014030300013](https://openairdocs.org/sdr/USAA2014030300013.md): Lens · broken · Mar 1, 2014 · N440US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTS SEAT 4C COVER FOR AISLE LIGHT EMERGENCY LIGHT LENS CLIPPED OFF. REPLACED LIGHT LENS ASSEMBLY. OPERATIONS CHECKED OK, ACCOMPLISHED AT SEAT 4C.
- [SDR USAA2013122400005](https://openairdocs.org/sdr/USAA2013122400005.md): Placard · unsecure · Dec 23, 2013 · N440US · Boeing 7374B7 · Placards and Markings
  > CREW REPORTED THE EMERGENCY EXIT PLACARD, OVERWING EXIT RT SIDE, FELL OFF. REATTACHED PLACARD AS NEEDED, CHECKED OK.
- [SDR USAA2013101400012](https://openairdocs.org/sdr/USAA2013101400012.md): Skin · delaminated · Oct 12, 2013 · N440US · Boeing 7374B7 · Ailerons
  > C2 CHECK, DELAMINATION ON RT AILERON UPPER SURFACE AT 0.5 INCH FROM OTBD END & 11 INCHES FROM TRAILING EDGE. REPAIRED RT AILERON UPPER SURFACE IAW SRM 51-70-04 & 51-70-30.
- [SDR USAA2013101100001](https://openairdocs.org/sdr/USAA2013101100001.md): Skin · delaminated · Oct 10, 2013 · N440US · Boeing 7374B7 · Trailing Edge Flaps
  > C2 CHECK, DELAMINATION ON LT WING OTBD FOREFLAP T/E APPROXIMATELY 2" FROM INBD END. REPAIRED LT WING OTBD FOREFLAP T/E IAW SRM 57-53-02-01.
- [SDR USAA2013092500001](https://openairdocs.org/sdr/USAA2013092500001.md): Unknown · unknown · Sep 24, 2013 · N440US · Boeing 7374B7 · Air Conditioning System
  > AFTER TAKEOFF, PASSENGER IN ROW 3 REPORTED AN ODOR THAT MADE THEM FEEL QUEASY. NO ODOR OR ABNORMAL COCKPIT INDICATIONS OBSERVED. MX ACCOMPLISHED TROUBLESHOOT CABIN ODOR IAW J/C 03L00021001. NO ODOR DETECTED.
- [SDR USAA2013081600015](https://openairdocs.org/sdr/USAA2013081600015.md): Seat · lack of lube · Aug 14, 2013 · N440US · Boeing 7374B7 · Flight Compartment Equipment
  > CREW REPORTED THE CAPTAIN'S SEAT DIFFICULT TO ADJUST IN FWD & AFT MOVEMENT. MX LUBED CAPTAIN'S SEAT AS NEEDED. CHECKED OK.
- [SDR USAA2013080800018](https://openairdocs.org/sdr/USAA2013080800018.md): Sensor · faulty · Aug 5, 2013 · N440US · Boeing 7374B7 · Engine Indicating System
  > ON DESCENT OUT OF 23,000 FT, AUTO THROTTLES PULLED THROTTLES TO IDLE. UPON REACHING IDLE, ONE OF THE ENGINES COMPRESSOR STALLED. ALL ENGINE INDICATIONS WERE NORMAL AFTER EVENT. YAW WAS FELT ALONG WITH A BANG. MOC AND PILOT CONFERENCED THAT LT ENGINE STALLED.
- [SDR USAA2013080600004](https://openairdocs.org/sdr/USAA2013080600004.md): Skin · delaminated · Aug 2, 2013 · N440US · Boeing 7374B7 · Rudder, Plate/Skin
  > UPPER RT SIDE OF RUDDER HAS DELAMINATION AT T/E 22" FROM UPPER TIP. REPLACED RUDDER IAW 03L70827003 & 03C70827007.
- [SDR USAA2013070900026](https://openairdocs.org/sdr/USAA2013070900026.md): Sign · missing · Jul 8, 2013 · N440US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTED THE EXIT SIGN AT 2R DOOR MISSING. MX REPLACED EXIT SIGN AT DOOR 2R.
- [SDR USAA2013071000008](https://openairdocs.org/sdr/USAA2013071000008.md): Girt Bar · out of position · Jul 6, 2013 · N440US · Boeing 7374B7 · Emergency Equipment
  > CREW REPORTED THE 1R DOOR GIRT BAR WILL NOT STOW PROPERLY. MX REPOSITIONED GIRT BAR AT 1R DOOR. OPS CHECK OK.
- [SDR USAA2013052200003](https://openairdocs.org/sdr/USAA2013052200003.md): Seat Track · lack of lube · May 21, 2013 · N440US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > CREW REPORTED THE CAPTAIN'S SEAT IS DIFFICULT TO ADJUST FORE AND AFT. MX LUBRICATED SEAT TRACKS. OPS CHECK FINE.
- [SDR USAA2013040800020](https://openairdocs.org/sdr/USAA2013040800020.md): Ballast · inoperative · Apr 6, 2013 · N440US · Boeing 7374B7 · Emergency Lighting
  > MAINTENANCE REPORTED THE LIGHT ASSEMBLY BALLAST INOP (OVERWING EXIT). MAINTENANCE REMOVED AND REPLACED LIGHT BALLAST PER AMM 33-51-11-002-004 AND 33-51-11-402-007.
- [SDR USAA2013030400042](https://openairdocs.org/sdr/USAA2013030400042.md): Proximity Switch · out of tolerance · Mar 1, 2013 · N440US · Boeing 7374B7 · Landing Gear Position and Warning
  > AFTER TAKEOFF FROM MCO, CREW REPORTED THE AIRCRAFT THINKS IT'S ON THE GROUND - VNAV-LNAV-TCAS-A/T-ACARS WILL NOT WORK IN ANY FLIGHT MODES. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT MCO WITHOUT INCIDENT. MAINTENANCE CONFIRMED FAULT AND FOUND GROUND
- [SDR USAA2013030100007](https://openairdocs.org/sdr/USAA2013030100007.md): Controller · faulty · Feb 28, 2013 · N440US · Boeing 7374B7 · Cabin Pressure Controller
  > EN ROUTE FROM MIA TO CLT, CREW REPORTED THE CABIN ALTITUDE HORN SOUNDED AND CABIN ROSE TO 13,000 FEET. CAPTAIN INSTRUCTED FLIGHT ATTENDANT'S TO DEPLOY THEIR OXYGEN MASKS. (PASSENGER OXYGEN MASKS WERE NEVER DEPLOYED.) CREW INITIATED AN EMERGENCY DESCENT AND
- [SDR USAA2013020400007](https://openairdocs.org/sdr/USAA2013020400007.md): Frame · cracked · Feb 2, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Frame
  > Q6 CHECK - CRACKS ON FUSELAGE FRAME AT BS 847 BETWEEN S19R & S21R. REPLACED FUSELAGE FRAME AT BS 847 BETWEEN S19R & S21R IAW B737 SRM 51-40-02-0G, PAR 4, FIGS 3, 8 & 12.
- [SDR USAA2013020400006](https://openairdocs.org/sdr/USAA2013020400006.md): Frame · corroded · Feb 2, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Frame
  > Q6 CHECK - CORROSION ON FUSELAGE FRAME AT BS 794.3, S25R BETWEEN RBL 20 TO RBL 25. REPLACED FUSELAGE FRAME AT BS 794.3, S25R BETWEEN RBL 20 TO RBL 25 IAW B737 SRM 51-40-02-0G, PAR 4 & 7D, FIGS 3, 8 & 12.
- [SDR USAA2013013100003](https://openairdocs.org/sdr/USAA2013013100003.md): Tie Clip · cracked · Jan 24, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - CRACK ON STRINGER TIE CLIP AT BS 727F, S26R, WL 145. REPLACED STRINGER TIE CLIP AT BS 727F, S26R, WL 145 IAW B737 SRM 51-40-02-0G, FIG 3.
- [SDR USAA2013020400004](https://openairdocs.org/sdr/USAA2013020400004.md): Stringer Clip · cracked · Jan 22, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Attach Fittings
  > Q6 CHECK - CRACK ON STRINGER CLIP AT BS 947, S23L. REPLACED STRINGER CLIP AT BS 947, S23L IAW B737 SRM 51-40-02-0G, PAR 4, FIG 12.
- [SDR USAA2013012800020](https://openairdocs.org/sdr/USAA2013012800020.md): Frame · cracked · Jan 21, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Frame
  > Q6 CHECK - CRACK ON FUSELAGE FRAME AT BS 500G BETWEEN S20L TO S21L. REPAIRED FUSELAGE FRAME AT BS 500G BETWEEN S20L TO S21L IAW B737 SRM 53-00-07-2R-13.
- [SDR USAA2013020400005](https://openairdocs.org/sdr/USAA2013020400005.md): Stringer Clip · corroded · Jan 19, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Attach Fittings
  > Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON STRINGER CLIP AT BS 947.5, S27R. REPLACED STRINGER CLIP AT BS 947.5, S27R IAW B737 SRM 51-40-02-0G, PAR 4, FIG 12.
- [SDR USAA2013020700001](https://openairdocs.org/sdr/USAA2013020700001.md): Stringer · corroded · Jan 18, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Longeron/Stringer
  > Q6 CHECK - LEVEL 2 EXFOLIATION ON STRINGER S26R AT BS 963.5. REPAIRED STRINGER S26R AT BS 963.5 IAW B737 SRM 53-00-03-2R-1, FIG 201.
- [SDR USAA2013020400011](https://openairdocs.org/sdr/USAA2013020400011.md): Skin · corroded · Jan 18, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q6 CHECK - CORROSION ON FUSELAGE SKIN AT BS 947.5, S27R. REPAIRED FUSELAGE SKIN AT BS 947.5, S27R IAW EA 504630.
- [SDR USAA2013020400003](https://openairdocs.org/sdr/USAA2013020400003.md): Intercostal · corroded · Jan 18, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON INTERCOSTAL AT BS 947, S27R. REPLACED INTERCOSTAL AT BS 947, S27R IAW B737 SRM 51-40-02-0G, PAR 4B, FIG 3 & 8.
- [SDR USAA2013013100004](https://openairdocs.org/sdr/USAA2013013100004.md): Stringer · corroded · Jan 18, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Longeron/Stringer
  > Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON STRINGER 27R AT BS 947.5, WL 148. REPAIRED STRINGER 27R AT BS 947.5, WL 148 IAW B737 SRM 53-00-03-2R-1.
- [SDR USAA2013012300023](https://openairdocs.org/sdr/USAA2013012300023.md): Tie Clip · cracked · Jan 15, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - CRACK IN STRINGER TIE CLIP AT BS 947, S26L. REPLACED STRINGER TIE CLIP AT BS 947, S26L IAW B737 SRM 51-40-02-0G, FIG 8 & 12.
- [SDR USAA2013012800019](https://openairdocs.org/sdr/USAA2013012800019.md): Channel · corroded · Jan 11, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - CORROSION ON CHANNEL BETWEEN BS 767 TO BS 794, S25R. REPLACED CHANNEL BETWEEN BS 767 TO BS 794, S25R IAW B737 SRM 51-40-02-0G, FIG 2.
- [SDR USAA2013012800021](https://openairdocs.org/sdr/USAA2013012800021.md): Stringer Clip · cracked · Jan 10, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Attach Fittings
  > Q6 CHECK - CRACK ON STRINGER CLIP AT BS 727E, S25R. REPLACED STRINGER CLIP AT BS 727E, S25R IAW B737 SRM 51-40-02-0G.
- [SDR USAA2013020600007](https://openairdocs.org/sdr/USAA2013020600007.md): Skin · cracked · Jan 9, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q6 CHECK - CRACK ON FUSELAGE SKIN BETWEEN BS 344 TO BS 360 & BETWEEN S1L TO S2L. REPAIRED FUSELAGE SKIN BETWEEN BS 344 TO BS 360 & BETWEEN S1L TO S2L IAW B737 SRM 53-00-01-2R-31 FIG 201.
- [SDR USAA2013012300015](https://openairdocs.org/sdr/USAA2013012300015.md): Tie Clip · cracked · Jan 8, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - CRACK IN STRINGER TIE CLIP AT BS 727F, S24L. REPLACED STRINGER TIE CLIP AT BS 727F, S24L IAW B737 SRM 51-40-02-0G, PAR 4 & 7, FIG 8.
- [SDR USAA2013012300011](https://openairdocs.org/sdr/USAA2013012300011.md): Shear Web · corroded · Jan 7, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - LEVEL 2 FILIFORM CORROSION ON AFT LEFT SHEAR WEB AT BS 986.5+8 INCHES, LBL 47. REPLACED AFT LEFT SHEAR WEB AT BS 986.5+8 INCHES, LBL 47 IAW B737 SRM 51-40-02-0G, FIG 12.
- [SDR USAA2013012300007](https://openairdocs.org/sdr/USAA2013012300007.md): Angle · corroded · Jan 6, 2013 · N440US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON L2 DOOR SILL ANGLE BETWEEN BS 967 TO BS 986.5, S17L, LBL 57. REPLACED L2 DOOR SILL ANGLE BETWEEN BS 967 TO BS 986.5, S17L, LBL 57 IAW B737 SRM 51-40-02-0G PAR 4 & 7D, FIG 8 & 12.
- [SDR USAA2013012300019](https://openairdocs.org/sdr/USAA2013012300019.md): Stringer Clip · cracked · Jan 3, 2013 · N440US · Boeing 7374B7 · Fuselage Main, Attach Fittings
  > Q6 CHECK - CRACK IN STRINGER CLIP AT BS 707, S4L. REPLACED STRINGER CLIP AT BS 707, S4L IAW B737 SRM 51-40-02-0G, PAR 4 & 7D, FIG 8 & 12.

Next page: https://openairdocs.org/deregistered/N440US-2025-02-24/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N440US' AND deregistration_id = 'N440US-2025-02-24'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N440US-2025-02-24/reports

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