# Service difficulty reports: N412SN

A list on [N412SN](https://openairdocs.org/aircraft/N412SN.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 3 · 116 reports

- [SDR 9WGA2022091941201](https://openairdocs.org/sdr/9WGA2022091941201.md): Adc · false indication · Sep 19, 2022 · N412SN · Doug MD11F · Air Data Computer
  > AIRCRAFT OVERSPEED MULTIPLE TIMES IN CLIMB, SPEED TAPE DROPPING. T/S PER FIM 34-63-21 NO FAULT OR FAIL SENSOR SHOWN. PERFORMED ADC #1 & #2 RTS PER AMM 34-16-01. ALL TESTS PASSED, UPDATED FMS SOFTWARE PER AMM 34-63-01.
- [SDR 2022F00269](https://openairdocs.org/sdr/2022F00269.md): None · none · Jun 22, 2022 · N412SN · Doug MD11F · Powerplant System
  > #2 ENGINE SHUTDOWN DURING CRUISE, TAIL PUMPS LO, ALT PUMPS LO
- [SDR 9WGA2022062141201](https://openairdocs.org/sdr/9WGA2022062141201.md): Fuel Sys · abnormal · Jun 21, 2022 · N412SN · Doug MD11F · Aircraft Fuel System
  > TAIL PUMPS LOW, ALT PUMPS LOW, ENGINE 2 SHUTDOWN IN FLIGHT. FOUND FSC FAULTING. REPLACED AFSC, FSC AND FSC CONTROL PANEL. OPS TEST FOUND NORMAL. ACCOMPLISHED MPA RUN OF ALL 3 ENGINES TO ENSURE PUMPS ARE WORKING IAW AMM 28-22-00 AND AMM 71-00-00. ALL TEST FOU
- [SDR 9WGA2022022141201](https://openairdocs.org/sdr/9WGA2022022141201.md): Tail Cone · departed · Feb 21, 2022 · N412SN · Doug MD11F · Nacelle/Pylon Structure
  > CLIMBING THROUGH 4000 FEET AIRCRAFT HAD AN AIRFRAME VIBRATION. ENGINE PARAMETERS WERE INDICATING NORMAL. AT ARRIVAL MAINTENANCE REPS IDENTIFIED #2 ENGINE MAINTENANCE PLATFORM DOORS DAMAGED. REMOVED TAIL CONE REFERENCE MD-11 AMM 53-52-00. REPLACED DAMAGED TAIL
- [SDR 9WGA2021092341201](https://openairdocs.org/sdr/9WGA2021092341201.md): None · none · Sep 23, 2021 · N412SN · Doug MD11F · Hydraulic Power System
  > LVL 2 HYDRAULIC 2 FAIL.
- [SDR 9WGA2021010841201](https://openairdocs.org/sdr/9WGA2021010841201.md): Warning Message · illuminated · Jan 8, 2021 · N412SN · Doug MD11F · Turbine Engine Oil System
  > AIR RETURN DUE TO LEVEL 2 ENGINE 2 OIL FILTER ALERT. SHUTDOWN ENGINE IN FLIGHT PER CHECKLIST.
- [SDR 9WGA2020122241201](https://openairdocs.org/sdr/9WGA2020122241201.md): Warning Message · illuminated · Dec 22, 2020 · N412SN · Doug MD11F · Cargo/Baggage Doors
  > AIR RETURN CARGO DOOR WARNING "UPPER B".
- [SDR 9WGA2020112141201](https://openairdocs.org/sdr/9WGA2020112141201.md): Manifold · failed · Nov 21, 2020 · N412SN · Doug MD11F · Airfoil Anti/De-ice System
  > IN ICING CONDITIONS WING A-ICE DISAGREE WITH WING ANTI-ICE. WITH WING ANTI-ICE ON LEVEL 1 AIR SYSTEM FAIL MANIFOLD ILLUMINATION ON OVERHEAD PANEL.
- [SDR 9WGA2020092341201](https://openairdocs.org/sdr/9WGA2020092341201.md): Controller · faulted · Sep 23, 2020 · N412SN · Doug MD11F · Cabin Pressure Controller
  > CABIN PRESSURE UNCONTROLLABLE, CPC FAULT.
- [SDR 9WGA2018120301](https://openairdocs.org/sdr/9WGA2018120301.md): Electrical Sys · shorted · Nov 30, 2018 · N412SN · Doug MD11F · Electrical Power System
  > DURING CLIMB OUT, EXPERIENCED LEVEL 3 CABIN ALERT, PRIMARY FLIGHT DISPLAYS LOST ALL INSTRUMENTATION, BOTH PFDS NO CONTROL OF GCP. CONTINUOUS EGPWS WARNINGS. CAPTAINS WINDOW BLEW A SEAL ON FINAL. NO CONTROL OF AUTOTHROTTLE, COULD NOT DISENGAGE UNTIL AFTER LANDI
- [SDR SRXR201809130040](https://openairdocs.org/sdr/SRXR201809130040.md): Fitting · damaged · Sep 13, 2018 · N412SN · Doug MD11F · Fuselage Main, Attach Fittings
  > TAILCONE AFT BODY BULKHEAD RH ALIGNMENT PIN FITTING HAS ELONGATED HOLE. ACCOMPLISHED REPAIR ON FUSELAGE AFT BODY BULKHEAD RT ALIGNMENT PIN FITTING AT Y=2163.35 AND L-35 PER EA 011-5360-52-A7438 I/R AND DWG AJC7880-1.
- [SDR SRXR201809040040](https://openairdocs.org/sdr/SRXR201809040040.md): Frame · corroded · Sep 4, 2018 · N412SN · Doug MD11F · Fuselage Main, Frame
  > FWD AVIONICS COMP FRAME AT STA 455 LBL 35 HAS CORROSION. ACCOMPLISHED REPAIR AT FWD AVIONICS COMPARTMENT FRAME AT STA 455 LBL 35 PER SRM 53-00-07 REPAIR 2 FIG 201 REF NRC A043591.
- [SDR SRXR201809040039](https://openairdocs.org/sdr/SRXR201809040039.md): Fillet · cracked · Sep 4, 2018 · N412SN · Doug MD11F · Wing, Attach Fittings
  > LT PERFORMANCE FILLET IS CRACKED AT OTBD UPPER ATTACH FITTING. ACCOMPLISHED REPAIR ON LT OTBD UPPER ATTACH FITTING SKIN PER SRM 57-40--71 REPAIR 1 REV 64 REF NRC3 A044628.
- [SDR SRXR201809040038](https://openairdocs.org/sdr/SRXR201809040038.md): Stiffener · corroded · Sep 4, 2018 · N412SN · Doug MD11F · Fuselage Main, Bulkhead
  > FWD AVIONICS COMPARTMENT AFT PRESSURE BULKHEAD SUPPORT STRUCTURE IS CORRODED AT STA 475 LBL17 TO RBL 29. REMOVED, FABRICATED AND INSTALLED FWD AVIONICS COMPARTMENT AFT PRESSURE BULKHEAD FRAME STIFFENER AT STA 475 LBL 10 TO RBL 10 PER SRM 51-31-01 PG 1 AND DWG
- [SDR SRXR201808290037](https://openairdocs.org/sdr/SRXR201808290037.md): Spar Cap · corroded · Aug 29, 2018 · N412SN · Doug MD11F · Wing Spar
  > RIGHT WING REAR SPAR UPPER CAP AT XORS 975 TO XORS 1051 HAD CORROSION. ACCOMPLISHED A REPAIR IAW EA 011-5720-52-A7392, I/R.
- [SDR SRXR201808260036](https://openairdocs.org/sdr/SRXR201808260036.md): Frame · cracked · Aug 26, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > TAILCONE FRAME BS 2257 RH SIDE UPPER CORNER IS CRACKED. ACCOMPLISHED REPAIR ON TAILCONE FRAME RH SIDE AT STA 2257 PER MD-11 SRM 53-80-07 REPAIR 4.
- [SDR SRXR201808260035](https://openairdocs.org/sdr/SRXR201808260035.md): Vane · delaminated · Aug 26, 2018 · N412SN · Doug MD11F · Trailing Edge Flaps
  > RIGHT INBD FLAP VANE OUTER SKIN WAS DELAMINATED AROUND PANEL 643CT. ACCOMPLISHED A REPAIR IAW EA 011-5750-52-A7381 I/R.
- [SDR SRXR201808250034](https://openairdocs.org/sdr/SRXR201808250034.md): Skin · corroded · Aug 25, 2018 · N412SN · Doug MD11F · Fuselage Main, Plate/Skin
  > AFT FUSELAGE, RT SIDE EXTERNAL SKIN HAD CORROSION AT BS 2120. ACCOMPLISHED A REPAIR BETWEEN BS 2120 AND 2164, STRINGER 32R AND 35R IAW EA 011-5370-52-A7383, I/R.
- [SDR SRXR201808250033](https://openairdocs.org/sdr/SRXR201808250033.md): Skin · dented · Aug 25, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FUSELAGE TAIL CONE HAS A DENT ON LH SIDE STA 2205. ACCOMPLISHED SKIN REPAIR ON LH AFT SIDE OF EXTENDED TAIL CONE BETWEEN STA 2199 AND STA 2204 Z=5.0 PER VT SAA EA#011-5310-52-A7322 I/R REF VT SAA NRC# A042789.
- [SDR SRXR201808250032](https://openairdocs.org/sdr/SRXR201808250032.md): Pin · gouged · Aug 25, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FWD TAIL CONE MID LT GUIDE PIN WAS LOOSE. ACCOMPLISHED A REPAIR IAW SRM 53-80-07, REPAIR 1, REV 64.
- [SDR SRXR201808240031](https://openairdocs.org/sdr/SRXR201808240031.md): Skin · corroded · Aug 24, 2018 · N412SN · Doug MD11F · Fuselage Main, Plate/Skin
  > LH AFT FUSELAGE SKIN BETWEEN STA 2128 TO STA 2164 BETWEEN STGR 32L AND STGR 35L HAS CORROSION. ACCOMPLISHED REPAIR ON LH AFT FUSELAGE SKIN BETWEEN STA 2128 AND STA 2164 AT STGR 32L TO STGR 35L PER VT SAA EA#011-5370-52-A7375 I/R REF VT SAA NRC# A043610.
- [SDR SRXR201808240030](https://openairdocs.org/sdr/SRXR201808240030.md): Skin · gouged · Aug 24, 2018 · N412SN · Doug MD11F · Leading Edge Devices
  > LH WING #8 SLAT HAS CHAFFE DAMAGE ON INBD SIDE
- [SDR SRXR201808220029](https://openairdocs.org/sdr/SRXR201808220029.md): Skin · chafed · Aug 22, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > TAILCONE RT INNER SKIN WAS CHAFED. ACCOMPLISHED A REPAIR IAW EA011-5380-52-A7369 I/R.
- [SDR SRXR201808220028](https://openairdocs.org/sdr/SRXR201808220028.md): Skin · chafed · Aug 22, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > EXTENDED TAILCONE LT SIDE BS 2163 TO 2165 SKIN WAS CHAFED. ACCOMPLISHED A REPAIR ON THE TAILCONE SKIN IAW EA 011-5380-52-A7368, I/R.
- [SDR SRXR201808220027](https://openairdocs.org/sdr/SRXR201808220027.md): Skin · cracked · Aug 22, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FWD TAILCONE UPPER LT PATIO DOOR WAS CRACKED AND GOUGED ON EXTERNAL SKIN. ACCOMPLISHED A REPAIR ON THE TAILCONE EXTERNAL SKIN IAW EA 011-5246-52-A7328, I/R.
- [SDR SRXR201808220026](https://openairdocs.org/sdr/SRXR201808220026.md): Door · cracked · Aug 22, 2018 · N412SN · Doug MD11 · Aerodynamic Fairings
  > FWD TAILCONE UPPER RT AFT DOOR WAS CRACKED. REPAIRED IAW EA 011-5246-52-A7329 I/R.
- [SDR SRXR201808210024](https://openairdocs.org/sdr/SRXR201808210024.md): Skin · corroded · Aug 21, 2018 · N412SN · Doug MD11F · Rudder, Plate/Skin
  > UPPER FWD RUDDER HAD CORROSION ON THE LOWER RT SIDE. REPAIRED IAW SRM 55-40-01, REPAIR 1, FIG 201.
- [SDR SRXR201808210023](https://openairdocs.org/sdr/SRXR201808210023.md): Pin · worn · Aug 21, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FWD TAILCONE MID RH GUIDE PIN WORN THROUGH SURROUNDING STRUCTURE. ACCOMPLISHED REPAIR AT FWD TAILCONE IAW SRM 53-80-07 REPAIR 1.
- [SDR SRXR201808210022](https://openairdocs.org/sdr/SRXR201808210022.md): Beam · gouged · Aug 21, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > STRUCTURE IS GOUGED INSIDE FWD TAILCONE ABOVE LADDER. REMOVED AND REPLACED FWD TAILCONE BEAM, SUPPRT FITTING AND UPPER LATCH FITTING PER MD-11 SRM 51-31-01 AND SRM 53-00-00 FIG 210 REF VT SAA NRC# A042754.
- [SDR SRXR201808190021](https://openairdocs.org/sdr/SRXR201808190021.md): Stiffener · corroded · Aug 19, 2018 · N412SN · Doug MD11F · Fuselage Main, Structure
  > LEFT VERTICAL STIFFENER IN THE AVIONICS BAY DOOR CUTOUT WAS CORRODED. ACCOMPLISHED A REPAIR IAW SRM 51-33-01, PARA 8B.
- [SDR SRXR201808180020](https://openairdocs.org/sdr/SRXR201808180020.md): Bulkhead · cracked · Aug 18, 2018 · N412SN · Doug MD11F · Nacelle/Pylon, Bulkhead/Firewall
  > NR 1 PYLON CENTER STRUCTURE BULKHEAD, INBD SIDE WAS CRACKED AT YN 307. ACCOMPLISHED A REPAIR ON THE PYLON BULKHEAD IAW EA 011-5450-52-A7385, I/R.
- [SDR SRXR201808180019](https://openairdocs.org/sdr/SRXR201808180019.md): Trunnion · gouged · Aug 18, 2018 · N412SN · Doug MD11F · Fuselage, Landing Gear Attach Fittings
  > NLG TRUNION FITTING, LT SIDE WAS GOUGED. ACCOMPLISHED A BLEND OUT REPAIR IAW EA 011-5310-52-A7326, IR.
- [SDR SRXR201808180018](https://openairdocs.org/sdr/SRXR201808180018.md): Plate · corroded · Aug 18, 2018 · N412SN · Doug MD11F · Fuselage Main, Structure
  > LEFT PRIMARY AND SECONDARY STATIC PORT PLATES, INTERIOR SIDE, HAD CORROSION. ACCOMPLISHED A BLEND OUT REPAIR ON THE LT PRIMARY AND SECONDARY STATIC PORT PLATES IAW EA 011-3411-52-A7389, I/R.
- [SDR SRXR201808160017](https://openairdocs.org/sdr/SRXR201808160017.md): Landing · corroded · Aug 16, 2018 · N412SN · Doug MD11F · Wing Main, Frame Structure
  > LEFT WING T/E ACCESS PANEL LANDING HAD CORROSION AT XORS 402. ACCOMPLISHED A BLEND OUT REPAIR IAW EA 011-5750-52-A7390, I/R.
- [SDR SRXR201808160016](https://openairdocs.org/sdr/SRXR201808160016.md): Vane · corroded · Aug 16, 2018 · N412SN · Doug MD11F · Trailing Edge Flaps
  > FOUND HEAVY CORROSION AND DEEP PITTING ON THE RT INBD FLAP VANE AT THE INNER AND OUTER ATTACH POINT INNER RIBS. REMOVED AND REPLACED THE FLAP VANE IAW AMM 27-50-22.
- [SDR SRXR201808160015](https://openairdocs.org/sdr/SRXR201808160015.md): Slat · gouged · Aug 16, 2018 · N412SN · Doug MD11F · Leading Edge Devices
  > LEFT WING NR 5 SLAT T/E HAD A GOUGE. ACCOMPLISHED A BLENDOUT REPAIR ON THE NR 5 SLAT T/E SKIN IAW EA 011-5750-52-A7350 I/R.
- [SDR SRXR201808160014](https://openairdocs.org/sdr/SRXR201808160014.md): Beam · corroded · Aug 16, 2018 · N412SN · Doug MD11F · Wing Main, Frame Structure
  > LEFT WING T/E BEAM ASSY, UPPER CAP HAD CORROSION AT XW 265. ACCOMPLISHED A REPAIR IAW EA 011-5710-52-A7320 I/R.
- [SDR SRXR201808100013](https://openairdocs.org/sdr/SRXR201808100013.md): Pin · cracked · Aug 10, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FWD TAILCONE LT GUIDE PIN WAS LOOSE. ACCOMPLISHED A REPAIR ON FWD TAILCONE IAW SRM 53-80-07, REPAIR 1.
- [SDR SRXR201808020012](https://openairdocs.org/sdr/SRXR201808020012.md): Frame · chafed · Aug 2, 2018 · N412SN · Doug MD11F · Engine Thrust Reverser
  > NR 2 ENG LT TR FWD FRAME LOWER SURFACE HAS SEVERAL CHAFING MARKS. INSTALLED REPAIR DOUBLERS ON NR 2 LT TR FWD FRAME OUTER RING PER CMM 78-32-02 REPAIR 32.
- [SDR SRXR201807300011](https://openairdocs.org/sdr/SRXR201807300011.md): Rib · cracked · Jul 30, 2018 · N412SN · Doug MD11F · Leading Edge Devices
  > RT WING NR 3 SLAT INNER RIB IS CRACKED. REMOVED, FABRICATED AND INSTALLED RT WING NR 3 SLAT INNER RIB PER SRM 51-35-01 REV 64 REF NRC A043716.
- [SDR SRXR201807280010](https://openairdocs.org/sdr/SRXR201807280010.md): Skin · gouged · Jul 28, 2018 · N412SN · Doug MD11F · Leading Edge Devices
  > NR 3 SLAT AFT INNER SKIN IS GOUGED FWD OF NR 6 SLAT TRACK. ACCOMPLISHED REPAIR ON NR 3 SLAT INNER SKIN BETWEEN XOS 455 AND XOS 497 PER SRM 57-40-01 REPAIR 3 FIG 201 REF NRC A043464.
- [SDR SRXR201807250009](https://openairdocs.org/sdr/SRXR201807250009.md): Housing · chafed · Jul 25, 2018 · N412SN · Doug MD11F · Engine Thrust Reverser
  > NR 2 LT TR FWD FRAME ACTUATOR HOUSING SUPPORT BRACKET IS CRACKED. FABRICATED AND INSTALLED REPAIR DOUBLER ON NR 2 LT TR FWD FRAME LOWER BALLSCREW ACTUATOR HOUSING PER CMM 78-32-02 REPAIR 16.
- [SDR SRXR201807250007](https://openairdocs.org/sdr/SRXR201807250007.md): Doubler · chafed · Jul 25, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > FWD TAIL CONE IS CHAFED ON DOUBLER AT AFT TAI CONE. REMOVED, FABRICATED AND INSTALLED REPAIR DOUBLER AT FWD TAIL CONE PER SRM 53-00-00 FIG 204.
- [SDR SRXR201807250006](https://openairdocs.org/sdr/SRXR201807250006.md): Doubler · gouged · Jul 25, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > AFT TAILCONE FWD LH SIDE OF FRAME DOUBLER IS GOUGED. REMOVED, FABRICATED AND INSTALLED NEW ANGLE REPAIR PER SRM 53-00-00 FIG 210.
- [SDR SRXR201807250005](https://openairdocs.org/sdr/SRXR201807250005.md): Housing · cracked · Jul 25, 2018 · N412SN · Doug MD11F · Engine Thrust Reverser
  > NR 2 ENG RT TR FWD FRAME LOWER BALLSCREW ACTUATOR HOUSING SUPPORT BRACKET IS CRACKED. FABRICATED AND INSTALLED REPAIR DOUBLER ON NR 2 RT TR FWD LOWER FRAME HOUSING PER CMM 78-32-02 REPAIR 16.
- [SDR SRXR201807250004](https://openairdocs.org/sdr/SRXR201807250004.md): Web · cracked · Jul 25, 2018 · N412SN · Doug MD11F · Aerodynamic Fairings
  > AFT TAILCONE LT FWD FLOOR FRAME WEB IS CRACKED. REMOVED DAMAGED, FABRICATED AND INSTALLED REPAIR DOUBLER ON AFT TAILCONE LT FWD FLOOR FRAME WEB PER SRM 53-80-02 AND DWG AKC7602.
- [SDR SRXR201807210003](https://openairdocs.org/sdr/SRXR201807210003.md): Doubler · cracked · Jul 21, 2018 · N412SN · Doug MD11F · Wing, Plate/Skin
  > LT WING L/E BEADED DOUBLER IS CRACKED IN 2 PLACES AT XOS 695. ACCOMPLISHED REPAIR AT LT WING L/E BEADED DOUBLER AT STA XOS 695 PER SRM 57040-02 REPAIR 15 REF NRC A042990.
- [SDR SRXR201807080002](https://openairdocs.org/sdr/SRXR201807080002.md): Doubler · cracked · Jul 8, 2018 · N412SN · Doug MD11F · Wing, Plate/Skin
  > RT WING L/E BEADED DOUBLER IS CRACKED AT XOS 610. ACCOMPLISHED REPAIR ON RT WING L/E BEADED DOUBLER AT XOS 610 PER SRM 57-40-02 REPAIR 15 FIG 205 REF NRC A042951.
- [SDR SRXR201807030001](https://openairdocs.org/sdr/SRXR201807030001.md): Static Port · obstructed · Jul 3, 2018 · N412SN · Doug MD11F · Pitot/Static System
  > AVIONICS FAN OVER RIDE ON DESCENT INTERMTTANTLY. REVIEWED FAULT HISTORY FROM ESC, "NO FAULTS STORED" INSPECTED LEFT ALTERNATE STATIC PORT, FOUND OBSTRUCTION INSIDE STATIC PORT. CLEANED AND INSPECTED LEFT AND RIGHT STATIC PORTS. PERFORMED PURGE OF THE PITOT AND
- [SDR KO0R201704100012](https://openairdocs.org/sdr/KO0R201704100012.md): Light · inoperative · Apr 10, 2017 · N412SN · Doug MD11F · Emergency Lighting
  > EMERGENCY LIGHTS DO NOT ILLUMINATE WITH SWITCH SET TO ON.

Next page: https://openairdocs.org/aircraft/N412SN/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 = 'N412SN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N412SN/reports

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