# Service difficulty reports: N406US, cancelled Apr 24, 2018

A list on [N406US, cancelled Apr 24, 2018](https://openairdocs.org/deregistered/N406US-2018-04-24.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 · 224 reports

- [SDR USAA2014080500006](https://openairdocs.org/sdr/USAA2014080500006.md): Skin · cracked · Aug 4, 2014 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > RON VISIT CRACK IN FUSELAGE SKIN AT BS 727E, STRINGER 23R. REPAIRED FUSELAGE SKIN AT BS 727E, STRINGER 23R IAW SRM- 53-00-01-2R-31.
- [SDR USAA2014071600002](https://openairdocs.org/sdr/USAA2014071600002.md): Generator · malfunctioned · Jul 13, 2014 · N406US · Boeing 737401 · AC Generator-Alternator
  > THE APU GEN DROPPED OFF LINE DURING APPROACH TWO TIMES. THE NR 1 ENG CSD & GEN WAS ON MEL AT THE TIME. R & R THE APU GEN IAW AMM 24-21-21-214-107 109. CLEARED MEL ON NR 1 ENG CSD & GEN BY R & R NR 1 ENG GEN & CSD IAW AMM 24-21-11 & 24-11-11. LEAK & OPERATI
- [SDR USAA2013110800006](https://openairdocs.org/sdr/USAA2013110800006.md): Wire · broken · Nov 7, 2013 · N406US · Boeing 737401 · Light System Wiring
  > MAINTENANCE FOUND EMERGENCY LIGHTS AT SEAT ROW 14 AND 22 INOPERATIVE. MAINTENANCE REPLACED LAMPS AND REPAIRED WIRING AT SEAT ROW 14 IAW SWPM 20-10-13. OPS CHECKED OK.
- [SDR USAA2013102800021](https://openairdocs.org/sdr/USAA2013102800021.md): Placard · missing · Oct 26, 2013 · N406US · Boeing 737401 · Placards and Markings
  > EXIT PLACARD SEAT 12C MISSING. MAINTENANCE INSTALLED NEW PLACARD.
- [SDR USAA2013100100001](https://openairdocs.org/sdr/USAA2013100100001.md): Unknown · odor · Sep 30, 2013 · N406US · Boeing 737401 · Air Distribution System
  > AFTER TAKEOFF, CREW EXPERIENCED A BURNED CANDLE ODOR IN COCKPIT AND CABIN. ODOR CONTINUED DURING ENTIRE FLIGHT. FLIGHT RETURNED. NO OVERWEIGHT LANDING AND NO EMERGENCY DECLARED. MX ACCOMPLISHED TROUBLESHOOTING OF CABIN ODOR IAW JC 03L0021001. NO FINDINGS
- [SDR USAA2013090300005](https://openairdocs.org/sdr/USAA2013090300005.md): Frame · corroded · Aug 30, 2013 · N406US · Boeing 737401 · Fuselage Main, Frame
  > C4 CHECK - CORROSION ON FUSELAGE FRAME BS 795 S24-25R. REPLACED FRAME IAW SRM 51-40-02 & DWG 65-47959.
- [SDR USAA2013090300004](https://openairdocs.org/sdr/USAA2013090300004.md): Frame · corroded · Aug 30, 2013 · N406US · Boeing 737401 · Fuselage Main, Frame
  > C4 CHECK - CORROSION ON FUSELAGE FRAME BS 795 BETWEEN S26-27R. REPLACED FRAME IAW SRM 51-40-02 & DWG 65-47959.
- [SDR USAA2013083000015](https://openairdocs.org/sdr/USAA2013083000015.md): Skin · cracked · Aug 28, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN FUSELAGE SKIN AT BS 727F+4", S23L. REPAIRED SKIN IAW EA 105079.
- [SDR USAA2013083000014](https://openairdocs.org/sdr/USAA2013083000014.md): Skin · cracked · Aug 28, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN FUSELAGE SKIN AT BS 727C+9", S23L. REPAIRED SKIN IAW EA 105079.
- [SDR USAA2013083000013](https://openairdocs.org/sdr/USAA2013083000013.md): Skin · cracked · Aug 28, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN FUSELAGE SKIN AT BS727F+8.5", S21L. REPAIRED SKIN IAW EA 105081.
- [SDR USAA2013082800004](https://openairdocs.org/sdr/USAA2013082800004.md): Shear Tie · corroded · Aug 27, 2013 · N406US · Boeing 737401 · Fuselage Internal Mounting Structure
  > C4 CHECK - CORROSION ON SHEAR TIE IN AFT CARGO FLOOR AREA AT BS747 BETWEEN S27L TO S27R. REPAIRED SHEAR TIE AT BS747 BETWEEN S27L TO S27R IAW SRM 53-00-07-R7, 53-00-07-R3 & EA 105072.
- [SDR USAA2013083000012](https://openairdocs.org/sdr/USAA2013083000012.md): Shear Tie · corroded · Aug 26, 2013 · N406US · Boeing 737401 · Fuselage Internal Mounting Structure
  > C4 CHECK, CORROSION ON FRAME SHEAR TIE AT BS 847 BETWEEN S27L TO S27R. REPAIRED FRAME SHEAR TIE IAW EA 105081.
- [SDR USAA2013083000019](https://openairdocs.org/sdr/USAA2013083000019.md): Web · corroded · Aug 25, 2013 · N406US · Boeing 737401 · Fuselage Miscellaneous Structure
  > C4 CHECK, CORROSION WAS FOUND ON VERTICAL WEB BETWEEN BS 794 TO 847, RBL 20. REPLACED VERTICAL WEB IAW SRM 51-40-02.
- [SDR USAA2013083000016](https://openairdocs.org/sdr/USAA2013083000016.md): Skin · cracked · Aug 25, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN FUSELAGE SKIN AT BS 764, S25L. REPAIRED SKIN IAW SRM 53-00-01-2R, REPAIR 31.
- [SDR USAA2013083000001](https://openairdocs.org/sdr/USAA2013083000001.md): Shear Tie · corroded · Aug 25, 2013 · N406US · Boeing 737401 · Fuselage Internal Mounting Structure
  > C4 CHECK, CORROSION ON FRAME SHEAR TIE AT BS 807, S27L. REPAIRED FRAME SHEAR TIE IAW SRM 53-00-01-2R4.
- [SDR USAA2013083000020](https://openairdocs.org/sdr/USAA2013083000020.md): Skin · cracked · Aug 24, 2013 · N406US · Boeing 737401 · Nacelle/Pylon, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN PYLON SKIN OF RT ENGINE PYLON AT THE CORNER OF PANEL 5828. REPAIRED SKIN IAW TR737-5430-10-0054.
- [SDR USAA2013082600026](https://openairdocs.org/sdr/USAA2013082600026.md): Frame · corroded · Aug 24, 2013 · N406US · Boeing 737401 · Fuselage Main, Frame
  > DURING C4 CHECK, CORROSION FOUND ON FRAME AT BS 827 BETWEEN BL 0 TO LBL 5. REPAIRED FUSELAGE FRAME IAW SRM 53-00-07-2R-5.
- [SDR USAA2013082600025](https://openairdocs.org/sdr/USAA2013082600025.md): Angle · corroded · Aug 23, 2013 · N406US · Boeing 737401 · Fuselage Miscellaneous Structure
  > DURING C4 CHECK, CORROSION FOUND ON L1 DOOR SILL ZEE ANGLE BETWEEN BS 965 TO 986, LBL 52. REPAIRED ZEE ANGLE IAW SRM 51-70-11.
- [SDR USAA2013082600027](https://openairdocs.org/sdr/USAA2013082600027.md): Skin · cracked · Aug 22, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > DURING C4 CHECK, A CRACK WAS FOUND ON FUSELAGE SKIN AT BS 727+7", S24L. REPAIRED SKIN IAW SRM 53-00-01, REPAIR 31 & EA 105079.
- [SDR USAA2013082300002](https://openairdocs.org/sdr/USAA2013082300002.md): Stringer Clip · cracked · Aug 22, 2013 · N406US · Boeing 737401 · Fuselage Main, Attach Fittings
  > DURING C4 CHECK, FOUND A CRACK IN STRINGER CLIP AT BS 747, S24L. REPLACED STRINGER CLIP IAW SRM 51-10-02-0G.
- [SDR USAA2013082200009](https://openairdocs.org/sdr/USAA2013082200009.md): Skin · cracked · Aug 21, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > DURING C3 CHECK, FOUND A CRACK IN FUSELAGE SKIN AT BS 751, S24L. REPAIRED SKIN IAW SRM 53-00-01-2R, REPAIR 31.
- [SDR USAA2013083000017](https://openairdocs.org/sdr/USAA2013083000017.md): Skin · cracked · Aug 17, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C4 CHECK, A CRACK WAS FOUND IN FUSELAGE SKIN AT BS 750, S22L. REPAIRED SKIN IAW SRM 53-00-01-2R.
- [SDR USAA2013081900015](https://openairdocs.org/sdr/USAA2013081900015.md): Shear Tie · corroded · Aug 17, 2013 · N406US · Boeing 737401 · Fuselage Internal Mounting Structure
  > DURING C4 CHECK, CORROSION FOUND ON SHEAR TIE AT BS 807, S20L. REPLACED SHEAR TIE IAW SRM 53-00-07-A1-1, FIG 101, SHEET 3.
- [SDR USAA2013081900014](https://openairdocs.org/sdr/USAA2013081900014.md): Intercostal · corroded · Aug 17, 2013 · N406US · Boeing 737401 · Fuselage Miscellaneous Structure
  > DURING C4 CHECK, CORROSION FOUND ON INTERCOSTAL WEB AT BS 848, RBL 24. REPLACED INTERCOSTAL IAW SRM 53-00-04.
- [SDR USAA2013081900013](https://openairdocs.org/sdr/USAA2013081900013.md): Pressure Panel · cracked · Aug 17, 2013 · N406US · Boeing 737401 · Fuselage Main, Bulkhead
  > C4 CHECK, TWO CRACKS ON MLG WHEEL WELL PRESSURE PANEL AT BS 665 BETWEEN LBL 30 TO LBL 32. REPAIRED MLG WHEEL WELL PRESSURE PANEL IAW SRM 53-60-51-2R-4, DETAIL 2.
- [SDR USAA2013081600013](https://openairdocs.org/sdr/USAA2013081600013.md): Stringer Clip · cracked · Aug 15, 2013 · N406US · Boeing 737401 · Fuselage Main, Attach Fittings
  > DURING C4 CHECK, CRACK IN STRINGER CLIP AT BS 787, S25L. REPLACED STRINGER CLIP IAW SRM 51-10-02.
- [SDR USAA2013082700019](https://openairdocs.org/sdr/USAA2013082700019.md): Bracket · corroded · Aug 14, 2013 · N406US · Boeing 737401 · Fuselage Main, Attach Fittings
  > C4 CHECK - CORROSION ON BRACKET AT BS 794, S20R. REPLACED BRACKET IAW SRM 51-40-02.
- [SDR USAA2013083000018](https://openairdocs.org/sdr/USAA2013083000018.md): Frame · corroded · Aug 10, 2013 · N406US · Boeing 737401 · Fuselage Main, Frame
  > C4 CHECK, CORROSION WAS FOUND ON FUSELAGE FRAME AT BS 794, RBL 16. REPAIRED FRAME IAW SRM 51-40-02.
- [SDR USAA2013062400017](https://openairdocs.org/sdr/USAA2013062400017.md): Downlock Sensor · faulty · Jun 23, 2013 · N406US · Boeing 737401 · Landing Gear Position and Warning
  > AFTER DEPARTURE, WITH GEAR HANDLE IN THE UP POSITION, NOSE GEAR DID NOT RETRACT. "NOSE GEAR GREEN AND RED LIGHT ILLUMINATED". BOTH MAIN GEAR LIGHTS EXTINGUISHED. ACCOMPLISHED QRH PROCEDURES AND NOTIFIED ALL PARTIES CONCERNED. ELECTED TO RETURN TO DEPARTURE.
- [SDR USAA2013061300013](https://openairdocs.org/sdr/USAA2013061300013.md): Sign · unsecure · Jun 12, 2013 · N406US · Boeing 737401 · Emergency Lighting
  > CREW REPORTED THE FLOOR LEVEL EXIT SIGN 12C KEEPS FALLING OFF. MX RESECURED 12C FLOOR LEVEL EXIT SIGN. OPS CHECKED OK IAW AMM 33-51.
- [SDR USAA2013051400001](https://openairdocs.org/sdr/USAA2013051400001.md): Light · unsecure · May 13, 2013 · N406US · Boeing 737401 · Emergency Lighting
  > CREW REPORTED SEAT 12C EMERGENCY LIGHT IS OUT OF BRACKET. MAINTENANCE REPAIRED EMERGENCY LIGHT AT SEAT 12C. CHECKS GOOD.
- [SDR USAA2013032600013](https://openairdocs.org/sdr/USAA2013032600013.md): Skin · cracked · Mar 23, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > RON VISIT - CRACK IN FUSELAGE SKIN AT BS 870, 0.25 INCHES BELOW S23R. REPAIRED FUSELAGE SKIN AT BS 870, 0.25 INCHES BELOW S23R IAW B737 SRM 53-00-01-2R-31.
- [SDR USAA2013032600012](https://openairdocs.org/sdr/USAA2013032600012.md): Stringer · corroded · Mar 22, 2013 · N406US · Boeing 737401 · Fuselage Main, Longeron/Stringer
  > RON VISIT - CORROSION ON STRINGER AT BS 907, S25R. REPAIRED STRINGER AT BS 907, S25R IAW EA 104680.
- [SDR USAA2013032600011](https://openairdocs.org/sdr/USAA2013032600011.md): Skin · cracked · Mar 22, 2013 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > RON VISIT - CRACK IN FUSELAGE SKIN AT BS 867, S25R. REPAIRED FUSELAGE SKIN AT BS 867, S25R IAW B737 SRM 53-00-01-2R-31.
- [SDR USAA2013022200013](https://openairdocs.org/sdr/USAA2013022200013.md): Battery · discharged · Feb 22, 2013 · N406US · Boeing 737401 · Emergency Equipment
  > CREW REPORTED THE FORWARD FLASHLIGHT INOP. MAINTENANCE REPLACED THE BATTERY. CHECKED OK.
- [SDR USAA2013012500010](https://openairdocs.org/sdr/USAA2013012500010.md): Check Valve · failed · Jan 24, 2013 · N406US · Boeing 737401 · Air Distribution System
  > CREW REPORTED THE AIRCRAFT WILL NOT HOLD PRESSURIZATION WITH BLEEDS AND PACKS ON IN EITHER STANDBY OR MANUAL WITH OUTFLOW CLOSED. FLIGHT RETURNED TO FIELD AT MIA AND LANDED WITHOUT INCIDENT. MAINTENANCE PRESSURIZED AIRCRAFT AND FOUND AIR GUSHING OUT OF THE C
- [SDR USAA2013011500001](https://openairdocs.org/sdr/USAA2013011500001.md): Placard · unsecure · Jan 15, 2013 · N406US · Boeing 737401 · Placards and Markings
  > CREW REPORTED THE EXIT PLACARD AT SEAT 13C FALLING DOWN. MAINTENANCE SECURED EXIT PLACARD AT SEAT 13C.
- [SDR USAA2013010800006](https://openairdocs.org/sdr/USAA2013010800006.md): Lens · missing · Jan 7, 2013 · N406US · Boeing 737401 · Emergency Lighting
  > CREW REPORTS THE EMERGENCY EXIT LENS FOR EMERGENCY LIGHT MISSING AT OVERWING EXIT. MAINTENANCE REPLACED MISSING LENS AT OVERWING EXIT ROW.
- [SDR USAA2012121700009](https://openairdocs.org/sdr/USAA2012121700009.md): Bracket · broken · Dec 15, 2012 · N406US · Boeing 737401 · Emergency Lighting
  > CREW REPORTED ROW 12 A/C LEFT (SEATS ABC) EMERGENCY FLOOR LIGHT BRACKET BROKEN. MAINTENANCE REINSTALLED LIGHT ON SEAT ASSEMBLY. OK FOR CONTINUED SERVICE.
- [SDR USAA2012101600007](https://openairdocs.org/sdr/USAA2012101600007.md): Light · out of position · Oct 15, 2012 · N406US · Boeing 737401 · Smoke Detection
  > DURING PRE-FLIGHT, CREW REPORTED THE SMOKE DETECTOR FORWARD LAVATORY GREEN INDICATOR LIGHT IS INOPERATIVE. MAINTENANCE FOUND THE GREEN LIGHT PUSHED UP. REPOSITIONED GREEN LIGHT. OPS CHECK GOOD.
- [SDR USAA2012100100025](https://openairdocs.org/sdr/USAA2012100100025.md): Skin · cracked · Sep 29, 2012 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > RON VISIT - CRACK ON FUSELAGE SKIN AT BS 940, S21L. REPAIRED FUSELAGE SKIN AT BS 940, S21L IAW EA 104307.
- [SDR USAA2012092400025](https://openairdocs.org/sdr/USAA2012092400025.md): Connector · unsecure · Sep 23, 2012 · N406US · Boeing 737401 · Light System Wiring
  > MAINTENANCE REPORTED THE EMERGENCY LIGHTS AT SEAT 7, 8 AND 9 INOPERATIVE. MAINTENANCE SECURED CONNECTOR. SEAT 7, 8 AND 9 OPS CHECK OK.
- [SDR USAA2012090400002](https://openairdocs.org/sdr/USAA2012090400002.md): Slide · out of position · Sep 3, 2012 · N406US · Boeing 737401 · Escape Slide
  > CREW REPORTED THE 1L ESCAPE SLIDE COMING OUT OF CONTAINER. MAINTENANCE RE-POSITIONED SLIDE 1L INTO SLIDE COVER. NO OTHER DEFECTS NOTED. OK FOR SERVICE.
- [SDR USAA2012082000017](https://openairdocs.org/sdr/USAA2012082000017.md): Frame · cracked · Aug 15, 2012 · N406US · Boeing 737401 · Fuselage Main, Frame
  > FPBH CHECK - CRACK IN FUSELAGE FRAME AT BS 500C BETWEEN S20R & S21R. REPAIRED FUSELAGE FRAME AT BS 500C BETWEEN S20R & S21R IAW EA 203203 & B373 SRM 53-00-07, REPAIR 13.
- [SDR USAA2012082000016](https://openairdocs.org/sdr/USAA2012082000016.md): Beam · cracked · Aug 14, 2012 · N406US · Boeing 737401 · Fuselage Miscellaneous Structure
  > FPBH CHECK - CRACK IN STUB BEAM AT BS 616 BELOW S16L. REPAIRED STUB BEAM AT BS 616 BELOW S16L IAW TYPICAL REPAIR # TR737-5362-10-0023.
- [SDR USAA2012073000011](https://openairdocs.org/sdr/USAA2012073000011.md): Skin · cracked · Jul 29, 2012 · N406US · Boeing 737401 · Fuselage Main, Plate/Skin
  > C3 CHECK - CRACK IN FUSELAGE SKIN AT BS 947, S24L. REPAIRED FUSELAGE SKIN BETWEEN BS 927 TO BS 947 & BETWEEN S23L TO S27L IAW EA 140390.
- [SDR USAA2012073000010](https://openairdocs.org/sdr/USAA2012073000010.md): Smoke Detector · false activation · Jul 29, 2012 · N406US · Boeing 737401 · Smoke Detection
  > UPON LANDING, ALL SMOKE DETECTORS WENT OFF FOR A FULL 5 MINUTES. MAINTENANCE OPS CHECKED SMOKE DETECTORS PER AMM 26-14-00-501. OPS CHECKED OK.
- [SDR USAA2012073000009](https://openairdocs.org/sdr/USAA2012073000009.md): Controller · failed · Jul 29, 2012 · N406US · Boeing 737401 · Cabin Pressure Controller
  > CLIMBING THRU 10,000 FEET, ALT WARNING HORN WENT OFF AND CABIN ALT 10,000 FEET. WENT TO MANUAL AND SWITCHED TO CLOSE, BUT NOTHING HAPPENED. THEN WENT TO OPEN AND BACK TO CLOSE AND FINALLY CABIN ALT CAME DOWN. UPON LANDING CABIN ALT SHOWED 1,500FT AND HAD TO
- [SDR USAA2012061800009](https://openairdocs.org/sdr/USAA2012061800009.md): Lens · missing · Jun 16, 2012 · N406US · Boeing 737401 · Emergency Lighting
  > MAINTENANCE REPORTED THE EMERGENCY LIGHT LENS MISSING AT SEAT 12ABC (EMERGENCY EXIT ROW). MAINTENANCE REPLACED LIGHT LENS MARKED "EXIT", AS REQUIRED.
- [SDR USAA2012052100003](https://openairdocs.org/sdr/USAA2012052100003.md): Lens · unsecure · May 21, 2012 · N406US · Boeing 737401 · Emergency Lighting
  > CREW REPORTED EXIT ROW 11C EMERGENCY EXIT LENSE FELL OFF. MAINTENANCE RE-INSTALLED LENS COVER, CHECKS GOOD.

Next page: https://openairdocs.org/deregistered/N406US-2018-04-24/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 = 'N406US' AND deregistration_id = 'N406US-2018-04-24'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N406US-2018-04-24/reports

---
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.