# Service difficulty reports: N439US, cancelled Apr 17, 2019

A list on [N439US, cancelled Apr 17, 2019](https://openairdocs.org/deregistered/N439US-2019-04-17.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 · 237 reports

- [SDR USAA2014043000001](https://openairdocs.org/sdr/USAA2014043000001.md): Sign · broken · Apr 29, 2014 · N439US · Boeing 7374B7 · Emergency Lighting
  > THE EMERGENCY EXIT SIGN AT ROW 11C FLOOR LEVEL APPEARS TO BE BROKEN. REPLACED EXIT ROW SIGN AT 11C IAW AMM 33-50-01.
- [SDR USAA2014032000004](https://openairdocs.org/sdr/USAA2014032000004.md): Seat Track · lack of lube · Mar 19, 2014 · N439US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > CREW REPORTS THE FIRST OFFICER'S SEAT IS DIFFICULT TO ADJUST IN FWD & AFT MOVEMENT. LUBED FIRST OFFICER'S SEAT TRACKS.
- [SDR USAA2014032000003](https://openairdocs.org/sdr/USAA2014032000003.md): Seat Track · lack of lube · Mar 19, 2014 · N439US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > CREW REPORTS THE CAPTAIN'S SEAT IS DIFFICULT TO ADJUST FWD & AFT MOVEMENT. LUBED CAPTAIN'S SEAT TRACKS.
- [SDR USAA2014021900012](https://openairdocs.org/sdr/USAA2014021900012.md): Sign · detached · Feb 18, 2014 · N439US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTED THE EMERGENCY EXIT SIGN AT SEAT 12C UNATTACHED. MX REATTACHED EXIT SIGN, CHECKED OK.
- [SDR USAA2014012100026](https://openairdocs.org/sdr/USAA2014012100026.md): Seat Track · lack of lube · Jan 19, 2014 · N439US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > FIRST OFFICER'S SEAT IS DIFFICULT TO ADJUST FWD & AFT. CLEANED & LUBED FIRST OFFICER'S SEAT TRACKS, OPERATIONS CHECKED GOOD.
- [SDR USAA2014012100009](https://openairdocs.org/sdr/USAA2014012100009.md): Seat Track · lack of lube · Jan 19, 2014 · N439US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings
  > CAPTAIN'S SEAT, FWD & AFT, IS DIFFICULT TO ADJUST. CLEANED & LUBED CAPTAIN'S SEAT TRACKS. OPERATIONS CHECKED GOOD.
- [SDR USAA2013111900004](https://openairdocs.org/sdr/USAA2013111900004.md): Light · unsecure · Nov 18, 2013 · N439US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTED THE EXIT LIGHT AT SEAT 12A FALLING OFF. MAINTENANCE SECURED EXIT LIGHT AT SEAT 12A IAW 33-51-11.
- [SDR USAA2013093000011](https://openairdocs.org/sdr/USAA2013093000011.md): Cover · missing · Sep 28, 2013 · N439US · Boeing 7374B7 · Emergency Lighting
  > MX REPORTED THE CABIN EMERGENCY LIGHT LENS COVERS MISSING AT ROWS 11ABC AND 12ABC. MX REPLACED LENS COVERS AS REQUIRED.
- [SDR USAA2013071200008](https://openairdocs.org/sdr/USAA2013071200008.md): Tab · worn · Jul 6, 2013 · N439US · Boeing 7374B7 · Aileron Tabs
  > Q5 CHECK - SEVERE WEAR ON RT AILERON TAB FITTING AT TAB L/E AT WL448. REPLACED RT AILERON TAB ASSY IAW AMM 27-11-21-004-003.
- [SDR USAA2013071200007](https://openairdocs.org/sdr/USAA2013071200007.md): Skin · eroded · Jul 6, 2013 · N439US · Boeing 7374B7 · Rudder, Plate/Skin
  > Q5 CHECK - 17 AREAS OF EROSION TO COMPOSITE TO RT SIDE OF RUDDER SKIN FROM RUDDER STA 0.00 TO STA 234.89. REPLACED RUDDER IAW JC 03C70827007.
- [SDR USAA2013070800033](https://openairdocs.org/sdr/USAA2013070800033.md): Tie Clip · cracked · Jul 6, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK IN STRINGER TIE CLIP AT BS747, S24R. REPLACED STRINGER TIE CLIP AT BS747, S24R IAW SRM 51-10-02.
- [SDR USAA2013070800032](https://openairdocs.org/sdr/USAA2013070800032.md): Tie Clip · cracked · Jul 6, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK IN STRINGER TIE CLIP AT BS727D, S22R. REPLACED STRINGER TIE CLIP AT BS727D, S22R IAW SRM 51-10-02.
- [SDR USAA2013070800031](https://openairdocs.org/sdr/USAA2013070800031.md): Tie Clip · cracked · Jul 6, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK IN STRINGER TIE CLIP AT BS 727A, S23R. REPLACED STRINGER TIE CLIP AT BS 727A, S23R IAW SRM 51-10-02.
- [SDR USAA2013070800026](https://openairdocs.org/sdr/USAA2013070800026.md): Rib · cracked · Jul 5, 2013 · N439US · Boeing 7374B7 · Wing, Rib/Bulkhead
  > Q5 CHECK - CRACK IN RT WING INSPAR RIB LOWER CHORD AT WBL135.5. REPAIRED RT WING INSPAR RIB LOWER CHORD AT WBL135.5 IAW TYPICAL REPAIR TR737-5712-10-0304 & EA 104934.
- [SDR USAA2013070800028](https://openairdocs.org/sdr/USAA2013070800028.md): Strap · corroded · Jul 1, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - LEVEL 2 EXFOLIATION CORROSION ON STRAP AT BS797 BETWEEN S23R & S25R. REPLACED STRAP AT BS797 BETWEEN S23R & S25R IAW SRM 51-40-02.
- [SDR USAA2013070800027](https://openairdocs.org/sdr/USAA2013070800027.md): Rib · cracked · Jun 25, 2013 · N439US · Boeing 7374B7 · Wing, Rib/Bulkhead
  > Q5 CHECK - CRACK IN LT WING INSPAR RIB LOWER CHORD AT WBL135.5 BETWEEN S2L TO S3L. REPAIRED LT WING INSPAR RIB LOWER CHORD AT WBL135.5 BETWEEN S2L TO S3L IAW TYPICAL REPAIR NR TR737-5712-10-0304 & EA 104926.
- [SDR USAA2013070800029](https://openairdocs.org/sdr/USAA2013070800029.md): Frame · cracked · Jun 23, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK IN FUSELAGE FRAME AT BS277, S16R. REPAIRED FUSELAGE FRAME AT BS277, S16R IAW SRM 53-00-07-2R1 & EA NR 104858.
- [SDR USAA2013062400043](https://openairdocs.org/sdr/USAA2013062400043.md): Door Frame · cracked · Jun 21, 2013 · N439US · Boeing 7374B7 · Service Doors
  > Q5 CHECK - CRACK ON RT FWD SERVICE DOOR AFT FRAME LOWER AFT STOP FITTING. REPLACED RT FORWARD SERVICE DOOR ASSY IAW JOB CARD.
- [SDR USAA2013062700017](https://openairdocs.org/sdr/USAA2013062700017.md): Skin · cracked · Jun 19, 2013 · N439US · Boeing 7374B7 · Nacelle/Pylon, Plate/Skin
  > Q5 CHECK - CRACK ON LT ENGINE PYLON SKIN AT NAC. STA. 254, APPROX. RBL10 AT EDGE OF NACELLE PANEL 5723L. REPAIRED LT ENGINE PYLON SKIN AT NAC STA 254 IAW SRM 54-50-01-2R-2.
- [SDR USAA2013062100014](https://openairdocs.org/sdr/USAA2013062100014.md): Frame · cracked · Jun 19, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS706 BETWEEN S8L TO S9L REPAIRED FUSELAGE FRAME AT BS706 BETWEEN S8L TO S9L IAW TYPICAL REPAIR TR 737-5310-11-0422.
- [SDR USAA2013071800039](https://openairdocs.org/sdr/USAA2013071800039.md): Frame · cracked · Jun 18, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS 500B 2 INCHES BELOW S20R. REPAIRED FRAME IAW SRM 53-00-07-2R-13.
- [SDR USAA2013070800030](https://openairdocs.org/sdr/USAA2013070800030.md): Frame · distorted · Jun 15, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - DISTORTED HOLE IN FUSELAGE FRAME AT BS 787, S25R. REPAIRED FUSELAGE FRAME AT BS787, S25R IAW SRM 53-70-11-OG & EA 104910.
- [SDR USAA2013071500036](https://openairdocs.org/sdr/USAA2013071500036.md): Frame · cracked · Jun 13, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q4 CHECK - CRACK ON FUSEALAGE FRAME WEB AT BS 727D, BETWEEN S27L TO S27R. REPAIRED IAW EA 104943.
- [SDR USAA2013062100027](https://openairdocs.org/sdr/USAA2013062100027.md): Floorbeam · cracked · Jun 12, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Floor Beam
  > Q5 CHECK - CRACK ON FLOORBEAM AT BS663.75, RBL24.5. REPLACED FLOORBEAM AT BS663.75, RBL24.5 IAW EA 104815A.
- [SDR USAA2013062100016](https://openairdocs.org/sdr/USAA2013062100016.md): Frame · cracked · Jun 12, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS907 BETWEEN S1 TO S2R. REPAIRED FUSELAGE FRAME AT BS907 BETWEEN S1 TO S2R IAW B737 SRM 53-00-07, REPAIR 2 & EA 104878.
- [SDR USAA2013062100012](https://openairdocs.org/sdr/USAA2013062100012.md): Frame · cracked · Jun 9, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS727, S14R. REPAIRED FUSELAGE FRAME AT BS727, S14R IAW EA 104823A.
- [SDR USAA2013062100033](https://openairdocs.org/sdr/USAA2013062100033.md): Spar · delaminated · Jun 8, 2013 · N439US · Boeing 7374B7 · Ailerons
  > Q5 CHECK - AREA OF DELAMINATION ON LEFT AILERON REAR SPAR AT APPROX 5" FROM INBD EDGE & 1.5" FROM REAR SPAR EDGE. REPLACED LT AILERON IAW JOBCARD.
- [SDR USAA2013062100026](https://openairdocs.org/sdr/USAA2013062100026.md): Shear Tie · corroded · Jun 8, 2013 · N439US · Boeing 7374B7 · Fuselage Internal Mounting Structure
  > Q5 CHECK - LEVEL 2 EXFOLIATION CORROSION ON SHEAR TIE AT BS967, S25R. REPLACED SHEAR TIE AT BS967, S25R IAW SRM 51-40-20 & DWG 65-46563.
- [SDR USAA2013062100013](https://openairdocs.org/sdr/USAA2013062100013.md): Frame · cracked · Jun 6, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS277, S16L. REPAIRED FUSELAGE FUSELAGE FRAME AT BS277, S16L IAW SRM 53-00-07-2R-8.
- [SDR USAA2013062100018](https://openairdocs.org/sdr/USAA2013062100018.md): Skin · cracked · Jun 3, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - CRACK ON FUSELAGE SKIN AT BS945, S24R. REPAIRED FUSELAGE SKIN AT BS945, S24R IAW SRM 53-00-01-2R-31.
- [SDR USAA2013062100017](https://openairdocs.org/sdr/USAA2013062100017.md): Skin · cracked · Jun 3, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - 2 CRACKS ON FUSELAGE SKIN AT BS957, S17R. REPAIRED FUSELAGE SKIN AT BS957, S17R IAW SRM 53-00-01-2R-32 DETAIL IV & EA 104837.
- [SDR USAA2013062100023](https://openairdocs.org/sdr/USAA2013062100023.md): Tie Clip · cracked · May 31, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK ON TIE CLIP AT BS344+ 8", S10R. REPAIRED TIE CLIP AT BS344+ 8", S10R IAW SRM 51-40-02.
- [SDR USAA2013062100028](https://openairdocs.org/sdr/USAA2013062100028.md): Floorbeam · cracked · May 30, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Floor Beam
  > Q5 CHECK - CRACK ON FLOORBEAM AT BS706, BL0. REPAIRED FLOORBEAM AT BS706, BL0 IAW EO 5710-01021 & ENGINEERING JOB CARD M2C57002.
- [SDR USAA2013062100015](https://openairdocs.org/sdr/USAA2013062100015.md): Frame · cracked · May 29, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Frame
  > Q5 CHECK - CRACK ON FUSELAGE FRAME AT BS827 BETWEEN S8L TO S9L REPAIRED FUSELAGE FRAME AT BS827 BETWEEN S8L TO S9L IAW TYPICAL REPAIR TR 737-5310-10-0287.
- [SDR USAA2013062100030](https://openairdocs.org/sdr/USAA2013062100030.md): Angle · corroded · May 23, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - LEVEL 2 EXFOLIATION CORROSION ON RT SERVICE DOOR Z ANGLE THRESHOLD BETWEEN BS986 TO BS1006, RBL48. REPLACED RT SERVICE DOOR Z ANGLE THRESHOLD BETWEEN BS986 TO BS1006, RBL48 IAW SRM 51-40-02.
- [SDR USAA2013062100029](https://openairdocs.org/sdr/USAA2013062100029.md): Angle · corroded · May 23, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CORROSION ON L2 DOOR Z ANGLE BETWEEN BS986 TO BS1016, LBL48. REPLACED L2 DOOR Z ANGLE BETWEEN BS986 TO BS1016, LBL48 IAW SRM 51-40-02.
- [SDR USAA2013062100025](https://openairdocs.org/sdr/USAA2013062100025.md): Tie Clip · cracked · May 23, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK ON TIE CLIP AT BS727C, S4L. REPLACED TIE CLIP AT BS727C, S4L IAW SRM 53-40-02.
- [SDR USAA2013062100024](https://openairdocs.org/sdr/USAA2013062100024.md): Tie Clip · cracked · May 23, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - CRACK ON TIE CLIP AT BS520, S7R. REPLACED TIE CLIP AT BS520, S7R IAW SRM 53-40-02.
- [SDR USAA2013062100031](https://openairdocs.org/sdr/USAA2013062100031.md): Angle · corroded · May 22, 2013 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > Q5 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FORWARD SERVICE DOOR Z ANGLE THRESHOLD BETWEEN BS259 TO BS360, RBL49. REPLACED FORWARD SERVICE DOOR Z ANGLE THRESHOLD BETWEEN BS259 TO BS360, RBL49 IAW SRM 53-10-15-1A.
- [SDR USAA2013062100032](https://openairdocs.org/sdr/USAA2013062100032.md): Pressure Deck · cracked · May 20, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Bulkhead
  > Q5 CHECK - CRACK ON PRESSURE DECK WEB SKIN AT BS663.75, RBL49. REPAIRED PRESSURE DECK WEB SKIN AT BS663.75, RBL49 IAW EA 104811.
- [SDR USAA2013062100019](https://openairdocs.org/sdr/USAA2013062100019.md): Skin · cracked · May 20, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - CRACK ON FUSELAGE SKIN AT BS727G+14", S25L. REPAIRED FUSELAGE SKIN BS727G+14, S25L IAW SRM 53-00-01-2R-31.
- [SDR USAA2013062400045](https://openairdocs.org/sdr/USAA2013062400045.md): Hinge Pin · cracked · May 18, 2013 · N439US · Boeing 7374B7 · Horizontal Stabilizer Structure
  > Q5 CHECK -CRACK ON LT HORIZONTAL STABILIZER INNER HINGE PIN AT BS1138, S16L, WL232.5. REPLACED LT HORIZONTAL STABILIZER INNER & OUTER HINGE PIN AT BS1138, S16L, WL232.5 IAW JOB CARD.
- [SDR USAA2013062100022](https://openairdocs.org/sdr/USAA2013062100022.md): Skin · cracked · May 15, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - CRACK ON FUSELAGE SKIN AT BS767+7.5", S24L. REPAIRED FUSELAGE SKIN AT BS767+7.5", S24L IAW SRM 53-00-01-2R-31.
- [SDR USAA2013062100021](https://openairdocs.org/sdr/USAA2013062100021.md): Skin · cracked · May 15, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - CRACK ON FUSELAGE SKIN AT BS747+3.5", S22L. REPAIRED FUSELAGE SKIN AT BS747+3.5", S22L IAW SRM 53-00-01.
- [SDR USAA2013062100020](https://openairdocs.org/sdr/USAA2013062100020.md): Skin · cracked · May 15, 2013 · N439US · Boeing 7374B7 · Fuselage Main, Plate/Skin
  > Q5 CHECK - CRACK ON FUSELAGE SKIN AT BS727E+19", S23L. REPAIRED FUSELAGE SKIN AT BS727E+19", S23L IAW EA 104796.
- [SDR USAA2013032500008](https://openairdocs.org/sdr/USAA2013032500008.md): Battery Pack · not seated · Mar 23, 2013 · N439US · Boeing 7374B7 · Emergency Equipment
  > CREW REPORTED THE FORWARD EMERGENCY FLASHLIGHT INOPERATIVE. MAINTENANCE RESET BATTERY PACK. OPS CHECK GOOD.
- [SDR USAA2013020800021](https://openairdocs.org/sdr/USAA2013020800021.md): Lens · unsecure · Feb 7, 2013 · N439US · Boeing 7374B7 · Emergency Lighting
  > CREW REPORTED THE AIRCRAFT RIGHT OVERWING EMERGENCY EXIT LENS FELL OFF. MAINTENANCE SECURED AIRCRAFT RIGHT OVERWING EMERGENCY EXIT LIGHT LENS.
- [SDR USAA2013010400004](https://openairdocs.org/sdr/USAA2013010400004.md): Control Valve · faulty · Jan 3, 2013 · N439US · Boeing 7374B7 · Trailing Edge Flap Control System
  > ON APPROACH, CREW SELECTED FLAPS AND REPORTED NO LEADING OR TRAILING FLAPS. ACCOMPLISHED ALTERNATE FLAPS LANDING. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE VISUALLY INSPECTED FLAPS. NO DEFECTS NOTED. REPLACED T/E FLAP CONTROL VALVE PER AMM 27-51-79-404-
- [SDR USAA2012122400019](https://openairdocs.org/sdr/USAA2012122400019.md): Door Frame · cracked · Dec 23, 2012 · N439US · Boeing 7374B7 · Fuselage Main, Structure
  > CARGO DOOR/L1 INSP VISIT - CRACK IN FUSELAGE AFT L-1 DOOR FRAME INBOARD CHORD AT BS 348.2 BETWEEN S16L & S17L. REPAIRED AFT L-1 DOOR FRAME INBOARD CHORD AT BS 348.2 BETWEEN S16L & S17L IAW TYPICAL REPAIR T/R 737-5300-12-0655.
- [SDR USAA2012122400013](https://openairdocs.org/sdr/USAA2012122400013.md): Intercostal · cracked · Dec 22, 2012 · N439US · Boeing 7374B7 · Fuselage Miscellaneous Structure
  > L1 DOOR INSP VISIT - CRACK L1 DOOR SURROUND FRAME INTERCOSTAL FROM BS 294.5 TO BS 303.9, S12L. REPAIRED L1 DOOR SURROUND FRAME INTERCOSTAL FROM BS 294.5 TO BS 303.9, S12L IAW EA 104480.

Next page: https://openairdocs.org/deregistered/N439US-2019-04-17/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 = 'N439US' AND deregistration_id = 'N439US-2019-04-17'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N439US-2019-04-17/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.