# Service difficulty reports: N513SN

A list on [N513SN](https://openairdocs.org/aircraft/N513SN.md).

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

- [SDR 9WGA2023072051301](https://openairdocs.org/sdr/9WGA2023072051301.md): Unknown · unknown · Jul 20, 2023 · N513SN · Doug MD11F · Autopilot System
  > ON CLIMB OUT AUTO PILOT 2 INOP. THREE HOURS INTO FLIGHT AUTO PILOT 1 INOP. REMOVED AND REPLACED LEFT OUTBOARD AILERON LVDT PER AMM 27-13-34. PERFORMED FCC 2 RTS, ALL TESTS PASSED. RECYCLED CB'S PER AMM 22-01-01. PERFORMED FCC 1 RTS, TESTS PASSED.
- [SDR 9WGA2022111651301](https://openairdocs.org/sdr/9WGA2022111651301.md): Controller · inoperative · Nov 16, 2022 · N513SN · Doug MD11F · Aircraft Fuel System
  > DISCREPANCY: LEVEL 2 "FUEL QTY/USED CHK" MESSAGE, FUEL BURN VS. QTY REMAIN DISCREPANCY, 1100KG AFTER 1.5 HOURS OF FLIGHT. CORRECTIVE ACTION: T/S IAW FIM 28-14-00 NO FAULTS NOTED AT THIS TIME. REMOVED AND REPLACED FSC IAW MD-11 AMM 28-08-01. NO DEFECTS NOTED AT
- [SDR 9WGA2022060651301](https://openairdocs.org/sdr/9WGA2022060651301.md): Tire · failed · Jun 6, 2022 · N513SN · Doug MD11F · Wheel/Ski/Float
  > DISCREPANCY: ON TAKE-OFF ROLL, LEVEL 2 ALERT TIRE FAILURE, TAKE-OFF CONTINUED. DUMPED FUEL TO LANDING WEIGHT. AIR RETURNED TO ANC. CORRECTIVE ACTION: FAULT REVIEW OK. INSPECTED ALL TIRES, OK. ACCOMPLISHED BTM/TPI RTS IAW 32-46-00. FAIL NOSE RIGHT CURRENTLY ON
- [SDR 9WGA202109151301](https://openairdocs.org/sdr/9WGA202109151301.md): Cabin Pressure · malfunctioned · Sep 14, 2021 · N513SN · Doug MD11F · Cabin Pressure Control System
  > PACK 3 OFF DURING FLIGHT "CABIN AIRFLOW LOW" DURING CRUISE AND DESCENT UNTIL CABIN REGULATED ITSELF. CABIN NOT HOLDING CABIN PRESSURE AT ALTITUDE.
- [SDR 9WGA2021080655131](https://openairdocs.org/sdr/9WGA2021080655131.md): Compressor · vibration · Aug 5, 2021 · N513SN · Doug MD11 · Turbine Engine Compressor Section
  > DIVERSION DUE TO ENG 3 VIB HIGH COMP OVER 4.0 ON CLIMB ON MULTIPLE OCCASION AND HAD TO RETARD #3 MORE THAN 1 CROWN TO REDUCE THE VIBRATION.
- [SDR 9WGA2021041951301](https://openairdocs.org/sdr/9WGA2021041951301.md): Warning Message · illuminated · Apr 19, 2021 · N513SN · Doug MD11 · Cabin Pressure Control System
  > CABIN ALTITUDE ALERT ON DESCENT AT FL190.
- [SDR 9WGA201904230002](https://openairdocs.org/sdr/9WGA201904230002.md): Spar Cap · corroded · Apr 23, 2019 · N513SN · Doug MD11F · Wing Spar
  > DURING INSPECTION FOUND CORROSION ON LEFT WING UPPER REAR SPAR CAP BETWEEN XORS 1041.8 AND XORS 1046.8
- [SDR 9WGA2019041601](https://openairdocs.org/sdr/9WGA2019041601.md): Longeron · corroded · Apr 16, 2019 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > LONGERON 52 E STA 6 - 33 HAS CORRODED SECTION
- [SDR KO0R201603110048](https://openairdocs.org/sdr/KO0R201603110048.md): Longeron · cracked · Mar 11, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > FORWARD END OF LONGERON LOCATED AT BS 1540, LONGERON 48R IS CRACKED.
- [SDR KO0R201601260041](https://openairdocs.org/sdr/KO0R201601260041.md): Skin · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuel Storage
  > EVIDENCE OF CORROSION ON THE CTR WING TANK UPPER SURFACE AT STATION 1229, RBL 84.
- [SDR KO0R201601260040](https://openairdocs.org/sdr/KO0R201601260040.md): Skin · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuel Storage
  > EVIDENCE OF CORROSION ON THE CTR WING TANK UPPER SURFACE AT STATION 1229, RBL 78.
- [SDR KO0R201601260039](https://openairdocs.org/sdr/KO0R201601260039.md): Skin · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Main, Plate/Skin
  > MAIN DECK CENTER SKIN HAS CORROSION AT WING TANK STR 8, BS 1281.0, LBL 103.5 AND 110.5.
- [SDR KO0R201601260038](https://openairdocs.org/sdr/KO0R201601260038.md): Skin · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Main, Plate/Skin
  > MAIN DECK CTR WING, UPPER SKIN HAS CORROSION AT WING TANK STRINGER 19, STATION 1197.0, LBL 110.0.
- [SDR KO0R201601260037](https://openairdocs.org/sdr/KO0R201601260037.md): Skin · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Main, Plate/Skin
  > MAIN DECK CTR WING, UPPER SKIN HAS CORROSION AT WING TANK, STRINGER 20, STATION 1189.0, LBL 112.0.
- [SDR KO0R201601260036](https://openairdocs.org/sdr/KO0R201601260036.md): Stiffener · cracked · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Miscellaneous Structure
  > STATION 1912, LONGERON 28R, DAMAGED FRAME STIFFENER.
- [SDR KO0R201601260035](https://openairdocs.org/sdr/KO0R201601260035.md): Skin Panel · cracked · Jan 26, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > OUTER WING LOWER SKIN PANEL ACCESS DOOR CUT OUT, RT WING HAS 4 CRACK INDICATIONS IN FASTENER HOLES. WING STATION XORS 700.
- [SDR KO0R201601260034](https://openairdocs.org/sdr/KO0R201601260034.md): Skin Panel · cracked · Jan 26, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > OUTER WING LOWER SKIN PANEL ACCESS DOOR CUT OUT, LT WING HAS 3 EACH CRACK INDICATIONS IN FASTENER HOLES. WING STATION XORS 700.
- [SDR KO0R201601260033](https://openairdocs.org/sdr/KO0R201601260033.md): Window Frame · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Main, Structure
  > LEFT WINDSHIELD FRAME HAS NUMEROUS WINDOW MOUNTING HOLES & AREAS AROUND HOLES WITH CORROSION.
- [SDR KO0R201601260032](https://openairdocs.org/sdr/KO0R201601260032.md): Window Frame · corroded · Jan 26, 2016 · N513SN · Doug MD11F · Fuselage Main, Structure
  > RIGHT WINDSHIELD FRAME HAS SEVERAL HOLES & AREAS AROUND HOLES WITH CORROSION.
- [SDR KO0R201601060031](https://openairdocs.org/sdr/KO0R201601060031.md): Sign · inoperative · Jan 6, 2016 · N513SN · Doug MD11F · Emergency Lighting
  > L1 DOOR EMERGENCY EXIT SIGN FAILED. OPS CHECK OK.
- [SDR KO0R201601060030](https://openairdocs.org/sdr/KO0R201601060030.md): Failsafe · corroded · Jan 6, 2016 · N513SN · Doug MD11F · Nacelle/Pylon, Main Frame
  > NR 1 PYLON HAS EVIDENCE OF CORROSION ON UPPER SPAR LOWER SURFACE AFT OF NACELLE BS 302, BULKHEAD AROUND MULTIPLE FASTENERS.
- [SDR KO0R201601060029](https://openairdocs.org/sdr/KO0R201601060029.md): Spar · corroded · Jan 6, 2016 · N513SN · Doug MD11F · Nacelle/Pylon, Frame/Spar/Rib
  > NR 1 PYLON HAS EVIDENCE OF CORROSION ON UPPER SPAR UPPER SURFACE AFT OF NACELLE BS 302 BULKHEAD AROUND SEVERAL FASTENERS.
- [SDR KO0R201601060028](https://openairdocs.org/sdr/KO0R201601060028.md): Spar · corroded · Jan 6, 2016 · N513SN · Doug MD11F · Nacelle/Pylon, Frame/Spar/Rib
  > NR 3 PYLON OTBD AFT UPPER SPAR WEB IS CORRODED AT NACELLE BS 350.
- [SDR KO0R201601060027](https://openairdocs.org/sdr/KO0R201601060027.md): Spar · corroded · Jan 6, 2016 · N513SN · Doug MD11F · Nacelle/Pylon, Frame/Spar/Rib
  > NR 3 PYLON AFT UPPER SPAR WEB IS CORRODED AT NACELLE BS 350.
- [SDR KO0R201601050026](https://openairdocs.org/sdr/KO0R201601050026.md): Support · cracked · Jan 5, 2016 · N513SN · Doug MD11F · Ailerons
  > LEFT WING INBD AILERON, SUPPORTING STRUCTURE AT STATION XORS 430, IS CRACKED IN 2 PLACES.
- [SDR KO0R201601050025](https://openairdocs.org/sdr/KO0R201601050025.md): Stringer Splice · cracked · Jan 5, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CRACKED STRINGER 31R SPLICE AT STATION 1921.
- [SDR KO0R201601050024](https://openairdocs.org/sdr/KO0R201601050024.md): Skin · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 7, WING STATION 526 IS CORRODED.
- [SDR KO0R201601050023](https://openairdocs.org/sdr/KO0R201601050023.md): Longeron · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CORROSION ON LONGERON 12R, FROM STATION 1139 TO STATION 1159, MAIN DECK CROWN AREA.
- [SDR KO0R201601050022](https://openairdocs.org/sdr/KO0R201601050022.md): Longeron · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > EXTRUDED LONGERON 19L AT STATION 1336 IS CORROSION.
- [SDR KO0R201601050021](https://openairdocs.org/sdr/KO0R201601050021.md): Longeron Fitting · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CENTER ACCESSORY COMPARTMENT STATION 6.70 - 6.90, LONGERON 52, END FITTING HAS CORROSION RUNNING FWD TO AFT.
- [SDR KO0R201601050020](https://openairdocs.org/sdr/KO0R201601050020.md): Skin · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING TIP LOWER SURFACE HAS CORROSION TOWARDS THE TRAILING EDGE.
- [SDR KO0R201601050019](https://openairdocs.org/sdr/KO0R201601050019.md): Longeron · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CORROSION ON LONGERON 48R, BETWEEN STATION 5-73 TO 5-93.
- [SDR KO0R2016010500018](https://openairdocs.org/sdr/KO0R2016010500018.md): Skin · corroded · Jan 5, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 6, WS 675 IS CORRODED.
- [SDR KO0R201601040017](https://openairdocs.org/sdr/KO0R201601040017.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 6, WS 160 IS CORRODED.
- [SDR KO0R201601040016](https://openairdocs.org/sdr/KO0R201601040016.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 13, WS 165 IS CORRODED.
- [SDR KO0R201601040015](https://openairdocs.org/sdr/KO0R201601040015.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 22, WS 125 IS CORRODED.
- [SDR KO0R201601040014](https://openairdocs.org/sdr/KO0R201601040014.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > LEFT WING UPPER SKIN AT STRINGER 22, WS 105 IS CORRODED.
- [SDR KO0R201601040013](https://openairdocs.org/sdr/KO0R201601040013.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1229.0 AT RBL 75.
- [SDR KO0R201601040012](https://openairdocs.org/sdr/KO0R201601040012.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1229.0 AT RBL 60.
- [SDR KO0R201601040011](https://openairdocs.org/sdr/KO0R201601040011.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1229.0 AT LBL 43.
- [SDR KO0R201601040010](https://openairdocs.org/sdr/KO0R201601040010.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT LBL 8.5.
- [SDR KO0R201601040009](https://openairdocs.org/sdr/KO0R201601040009.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT LBL 1.5.
- [SDR KO0R201601040008](https://openairdocs.org/sdr/KO0R201601040008.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT RBL 1.
- [SDR KO0R201601040007](https://openairdocs.org/sdr/KO0R201601040007.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT RBL 24.5.
- [SDR KO0R201601040006](https://openairdocs.org/sdr/KO0R201601040006.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT RBL 22.
- [SDR KO0R201601040005](https://openairdocs.org/sdr/KO0R201601040005.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT RBL 13.
- [SDR KO0R201601040004](https://openairdocs.org/sdr/KO0R201601040004.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 1227.0 AT RBL 8.
- [SDR KO0R201601040003](https://openairdocs.org/sdr/KO0R201601040003.md): Support Angle · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Fuselage Miscellaneous Structure
  > MAIN DECK CTR WING UPPER AUXILIARY TANK VERTICAL SUPPORT ANGLE HAS CORROSION AT STATION 1331.5 AT RBL 100.
- [SDR KO0R201601040001](https://openairdocs.org/sdr/KO0R201601040001.md): Skin · corroded · Jan 4, 2016 · N513SN · Doug MD11F · Wing, Plate/Skin
  > MAIN DECK CTR WING UPPER SKIN HAS CORROSION AT WING TANK STRINGER 15, STATION 127.0 AT LBL 14.5.

## 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 = 'N513SN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N513SN/reports

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