# Service difficulty reports: N520AM, cancelled Feb 9, 2021

A list on [N520AM, cancelled Feb 9, 2021](https://openairdocs.org/deregistered/N520AM-2021-02-09.md).

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

- [SDR ASMF20200603015](https://openairdocs.org/sdr/ASMF20200603015.md): Trim System · out of adjust · Mar 12, 2020 · N520AM · Boeing 73781Q · Stabilizer Control System
  > DURING TRANSIT CHECK, IT WAS DETECTED THAT THE HORIZONTAL STABILIZER TRIM MOVEMENT WAS OUT OF RANGE. MAINTENANCE PERSONNEL PERFORMED REVISION TO STABILIZER DETENTS ON 4.5 UNITS TO NOSE DOWN WITH FLAPS RETRACTED. THE STABILIZER TRIM LIMIT SWITCHES TEST WAS PE
- [SDR ASMF20200602001](https://openairdocs.org/sdr/ASMF20200602001.md): Sensor · failed · Feb 3, 2020 · N520AM · Boeing 73781Q · Drag Control System
  > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING PUSH BACK, IT WAS DETECTED SPOILER ASYMMETRY DURING FLIGHT CONTROLS CHECK. MAINTENANCE PERSONNEL PERFORMED FLIGHT CONTROL TEST CONFIRMING THAT THE LT SPOILER DID NOT RETURN TO NEUTRAL POSITION IAW AMM 27-61-00. AIR
- [SDR ASMF2019100912](https://openairdocs.org/sdr/ASMF2019100912.md): Sensor · damaged · Sep 8, 2019 · N520AM · Boeing 73781Q · Door Warning System
  > AIRCRAFT REJECTED TAKE OFF BEFORE AT 70 KNOTS DUE TO AFT CARGO DOOR LIGHT TURNED ON. MAINTENANCE PERSONNEL PERFORMED REVISION TO AFT SERVICE DOOR IAW AMM 52-71-31, DETECTING THE S961 DAMAGED; SO THE SO THE SW961 WAS DEFERRED IAW MEL 52-03-01 CAT. C. THE HIGH E
- [SDR ASMF2018101509022](https://openairdocs.org/sdr/ASMF2018101509022.md): Hydraulic Line · damaged · Sep 25, 2018 · N520AM · Boeing 73781Q · Hydraulic System, Main
  > LOW PRESSURE HYDRAULIC PUMP SYSTEM B. CAPTAIN REPORTED THAT DURING CRUISE THE LOW PRESSURE HYDRAULIC PUMP SYSTEM B LIGHTS TURNED ON, SO FLIGHT CREW ACCOMPLISHED THE QRH 13.6 PROCEDURE. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING THE HYDRAULIC LINE LOOSE
- [SDR ASMF20180918013](https://openairdocs.org/sdr/ASMF20180918013.md): Valve · failed · Aug 23, 2018 · N520AM · Boeing 73781Q · Cabin Pressure Control System
  > AIRCRAFT PERFORMED AN EMERGENCY DESCENT DUE TO PRESSURIZATION SYSTEM FAILURE. MAINTENANCE PERSONNEL PERFORMED BITE TO CABIN PRESSURE CONTROLLERS IAW AMM 21-31-00, DETECTING CABIN PRESSURIZATION SYSTEM INOPERATIVE. THE PRESSURE CONTROLLERS WERE REPLACED IAW AMM
- [SDR ASMF200180918005](https://openairdocs.org/sdr/ASMF200180918005.md): Starter · damaged · Jul 22, 2018 · N520AM · Boeing 73781Q · Engine Starter
  > AIRCRAFT PERFORMED AN UNSCHEDULED LANDING AT MZT DUE TO DURING CRUISE, THE LEFT ENGINE PRESENTED LOW OIL QUANTITY INDICATION; SO FLIGHT CREW ACCOMPLISHED THE QRH 7.21 PROCEDURE. AT MZT, MAINTENANCE PERSONNEL PERFORMED LEFT ENGINE LEAK CHECK IAW AMM 71-00-00, F
- [SDR ASMF201802003](https://openairdocs.org/sdr/ASMF201802003.md): Sensor · malfunctioned · Feb 12, 2018 · N520AM · Boeing 73781Q · Trailing Edge Flap Control System
  > CAPTAIN REPORTED THAT AFTER LANDING, FLAPS AND SLATS LEADING EDGE DID NOT RETRACT, MAINTENANCE PERFORMED A BITE TEST IAW FIM 27-51 DETECTING FAULT 27-53252, THE SKEW SENSOR WAS CLEANED IAW AMM 27-59-00. SENSOR FLAP SKEW POSITION 3 WAS REPLACED IAW AMM 27-59-
- [SDR ASMF201801017](https://openairdocs.org/sdr/ASMF201801017.md): Slat System · malfunctioned · Jan 5, 2018 · N520AM · Boeing 73781Q · Leading Edge Slat Control System
  > CAPTAIN REPORTED THAT AFTER LANDING THE FLAPS AND SLATS DO NOT RETRACT. MAINTENANCE PERSONNEL PERFORMED BITE TO FSEU IAW FIM 27-53 TASK 803 PROCEDURE, NO CONFIRMING FAILURE. PERFORMED TRAILING EDGE FLAP SYSTEM OPERATIONAL TEST IAW FIM 27-51 TASK 803 PROCEDURE,
- [SDR ASMF201708008](https://openairdocs.org/sdr/ASMF201708008.md): Spoiler Sys · malfunctioned · Aug 23, 2017 · N520AM · Boeing 73781Q · Drag Control System
  > AIRCRAFT RETURNS TO PLATFORM DUE TO DURING FLIGHT CONTROLS TESTS CAPTAIN REPORTED THAT SPOILERS DID NOT REACH THE MAXIMUM EXTENSION. AIRCRAFT WAS SENT TO HANGAR AND MAINTENANCE PERSONNEL PERFORMED INSPECTION IAW AMM 27-11-61 BEING IN NORMAL CONDITION, AS A PRE
- [SDR ASMF201708003](https://openairdocs.org/sdr/ASMF201708003.md): Control Panel · malfunctioned · Aug 6, 2017 · N520AM · Boeing 73781Q · Auto Throttle System
  > CAPTAIN REPORTED THAT DURING APPROACH AUTOTHROTTLE DISENGAGES CONTINUOUSLY, LEFT COURSE CAN NOT BE ADJUSTED DURING DESCENT PROCEDURE AND FLIGHT DIRECTOR CAPTAIN SIDE OUT OF SERVICE. MAINTENANCE PERSONNEL PERFORMED AUTOTHROTTLE SYSTEM OPERATIONAL TEST IAW AMM 2
- [SDR ASMF20170717008](https://openairdocs.org/sdr/ASMF20170717008.md): Coax · damaged · Jun 29, 2017 · N520AM · Boeing 73781Q · Landing and Taxi Aids
  > DURING TRANSIT CHECK CAPTAIN REPORTED IAS/MACH STAYS IN 100 OF ALTITUDE BUT SHOWS 50000 FT OF ALTITUDE AND NO NAV INDICATION, MAINTENANCE PERFORMED FIM PROCEDURE TO NAVIGATION CONTROL PANEL IAW FIM 34-31, TASK 808, AND COAXIAL VOR 1 RF POWER DRIVER WAS RECONNE
- [SDR ASMF201704017](https://openairdocs.org/sdr/ASMF201704017.md): Skin · damaged · Apr 28, 2017 · N520AM · Boeing 73781Q · Trailing Edge Flaps
  > DURING TRANSIT CHECK, IT WAS DETECTED A FOREIGN OBJECT DAMAGE IN THE LEFT INBOARD FLAP OF 4.843 LENGTH, 0.062 DEPTH, 2.718 WIDE. MAINTENANCE PERSONNEL PERFORMED CONDITIONAL INSPECTION IAW AMM 05-41-05-210-801 FOUND IT WITHIN LIMITS, ALL CORRECT.
- [SDR ASMF201703006](https://openairdocs.org/sdr/ASMF201703006.md): Sensor · damaged · Mar 10, 2017 · N520AM · Boeing 73781Q · Pneumatic Indicating System
  > AIRCRAFT PERFORMED AN EMERGENCY DESCENT AT GDL DUE TO DURING CLIMB, THE LEFT BLEED TRIP OFF LIGHT TURNED ON AND CONTROL PRESS AUTO, SEMI AUTO AND MANUAL WITH NO CONTROL, SO THE FLIGHT CREW ACCOMPLISHED THE QRH 2.6 PROCEDURE, CONFIRMING THE FAILURE. MAINTENANCE
- [SDR ASMF201702003](https://openairdocs.org/sdr/ASMF201702003.md): Sensor · failed · Jan 6, 2017 · N520AM · Boeing 73781Q · Door Warning System
  > AIRCRAFT RETURNED TO GATE DUE TO A LE FLAP TRANSIT LIGHT ILLUMINATED AND LE DEVICE SLAT 1 LIGHT DID NOT ILLUMINATE. PERFORMED A BITE OF THE FSEU IAW FIM 27-51 TASK 801 PROCEDURES, SHOWING FAILURE CODES 27-81216F1 PROXIMITY RETRACT FIM 27-88 TASK 805 PROCEDURE
- [SDR ASMF2016072600016](https://openairdocs.org/sdr/ASMF2016072600016.md): Axle · damaged · Jun 8, 2016 · N520AM · Boeing 73781Q · Main Landing Gear Strut/Axle/Truck
  > DURING TRANSIT CHECK, IT WAS DETECTED A HIGH TEMPERATURE LOW PRESSURE AT MAIN WHEEL ASSY NUMBER 4. MAINTENANCE PERSONNEL PERFORMED THE FLAT SPOTTED TIRES CONDITIONAL INSPECTION IAW AMM 05-51-16-210-801 DETECTING PAINT ERODED IN THE TRANSDUCTOR HOUSING AND DIS
- [SDR ASMF201605007](https://openairdocs.org/sdr/ASMF201605007.md): Oven · defective · Mar 17, 2016 · N520AM · Boeing 73781Q · Buffet/Galleys
  > AIRCRAFT RETURNED TO PLATFORM DUE TO AFTER ENGS START, SMOKE WAS DETECTED IN AFT GALLEY. PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION IAW MM 05-51-56 & FIM 21-00 TASK 806 PROCEDURE, DETECTING SMOKE IN THE OVEN NR 1 IN AFT GALLEY, SO THE OVEN NR 1
- [SDR ASMF201602010](https://openairdocs.org/sdr/ASMF201602010.md): Door · out of adjust · Feb 10, 2016 · N520AM · Boeing 73781Q · Passenger/Crew Doors
  > CAPTAIN REPORTED THAT DURING CLIMB, THE FWD ENTRY DOOR LIGHT TURNED ON. ACFT WAS SENT TO THE HANGAR & MX PERFORMED FWD ENTRY DOOR ADJUSTMENT IAW AMM 52-11-00 TASK 52-11-00-820-801 & ENTRY DOOR SYS TEST WAS PERFORMED IAW AMM 52-11-00 TASK 52-11-00-700-804, TES
- [SDR ASMF201510024](https://openairdocs.org/sdr/ASMF201510024.md): Pitot Tube · blocked · Sep 29, 2015 · N520AM · Boeing 73781Q · Pitot/Static System
  > AIRCRAFT REJECTED TAKEOFF AT 80 KNOTS DUE TO EICAS MSG IAS DISAGREE & A DIFFERENCE OF 10 KNOTS BETWEEN SPEEDOMETERS BEING BIGGEST LT SIDE. PERFORMED FIM 31-62 TASK 876 PROCEDURE, DETECTING THE LT STATIC PITOT TUBE BLOCKED, SO THE STATIC PITOT TUBE WAS REPLACE
- [SDR ASMF201510019](https://openairdocs.org/sdr/ASMF201510019.md): Warning System · false activation · Sep 14, 2015 · N520AM · Boeing 73781Q · Fuel Controlling System
  > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING BOTH ENGINE START, THE EEC ALT MODE LIGHTS TURNED ON. PERFORMED BITE TO BOTH EEC’S IAW AMM 73-21-00, CONTINUING THE FAILURE. THE ENG RUN EEC BITE TEST NR 13 WAS PERFORMED IAW AMM 71-00-00 TASK 700-800-F00, RESTORED
- [SDR ASMF201507004](https://openairdocs.org/sdr/ASMF201507004.md): Flap System · malfunctioned · May 20, 2015 · N520AM · Boeing 73781Q · Trailing Edge Flap Control System
  > CAPTAIN REPORTED THAT DURING APPROACH, TE FLAP DISAGREE WITH FLAPS INDICATOR STAYING IN 2 UNITS & DECLARED AN EMERGENCY. ACCOMPLISHED WITH THE PROCEDURE TO EXTEND FLAPS TO 30 UNITS USING ALTERNATE FLAP EXTENSION. PERFORMED BITE TO FSEU IAW FIM 27-51 TASK 830
- [SDR ASMF201503023](https://openairdocs.org/sdr/ASMF201503023.md): Warning System · false activation · Mar 9, 2015 · N520AM · Boeing 73781Q · Fuel Quantity Indicator
  > AIRCRAFT PERFORMED AN UNSCHEDULED LANDING, DUE TO DURING CRUISE, THE FUEL QTY PRESENTED LOW FUEL QTY INDICATION. PERFORMED REVISION OF FUEL LEAKS & CABIN FUEL INDICATORS WERE CHECKED IAW AMM 28-10-00 & A FQIS WITH THE FUEL MEASURING STICKS. COMPARISON CHECK
- [SDR ASMF201503010](https://openairdocs.org/sdr/ASMF201503010.md): Shutoff Valve · malfunctioned · Feb 24, 2015 · N520AM · Boeing 73781Q · Aircraft Fuel Distribution System
  > DURING FUELING, A FUEL SPILLAGE IN THE LT TANK OCCURRED DUE TO THE SOV DID NOT CLOSE. THE PLATFORM WAS CLEANED BY FIREMEN & MX PERSONNEL CLEANED THE SELECTOR & THE SOV WAS RESEATED & TESTED SEVERAL TIMES IAW MM 28-21-00, NO LEAKS WERE DETECTED & SOV WORKED CO
- [SDR ASMF201503009](https://openairdocs.org/sdr/ASMF201503009.md): Drive Unit · failed · Jan 31, 2015 · N520AM · Boeing 73781Q · Weather Radar System
  > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING, THE EICAS MSG WXR FAIL WAS SHOWN. DURING MX REVISION, THE TRANSCEIVER & RADAR WERE DETECTED FAILED IAW AMM 34-42-00. THE WEATHER RADAR ANTENNA DRIVE UNIT WAS REPLACED IAW AMM 34-43-00 & AMM 34-43-11, TESTED
- [SDR ASMF201408002](https://openairdocs.org/sdr/ASMF201408002.md): Pitot Line · loose · Jul 20, 2014 · N520AM · Boeing 73781Q · Pitot/Static System
  > AIRCRAFT REJECTED TAKEOFF AT 100 KNOTS DUE TO EICAS MSG IAS DISAGREE. PERFORMED PITOT SYS REVISION BY CONDITION, DETECTING A LT ADM LINE LOOSEN, SO THE ADM LINE WAS TIGHTENED & LT PITOT SYS LEAK TEST WAS PERFORMED IAW AMM 34-11-00 PAGE 501, ALL CORRECT. THE
- [SDR ASMF2014061706013](https://openairdocs.org/sdr/ASMF2014061706013.md): Wheel · damaged · May 7, 2014 · N520AM · Boeing 73781Q · Wheel/Ski/Float
  > DURING TRANSIT CHECK, DETECTED THE FOUR MLG WHEELS WITH DAMAGES OUT OF LIMITS. THE WHEELS WERE REPLACED IAW AMM 32-45-11, ALL CORRECT.
- [SDR ASMF201312004](https://openairdocs.org/sdr/ASMF201312004.md): Control Valve · failed · Nov 24, 2013 · N520AM · Boeing 73781Q · Cabin Cooling System
  > AIRCRAFT RETURNED TO PLATFORM, DURING TAXING THE RT PACK TEMP REACHED MORE THAN 60 CELSIUS DEGREES & BOTH PACKS REACHED LESS THAN 18 CELSIUS DEGREES IN PAX CABIN. THE TEMP CONTROL VLV FAILED SO THE REPORT WAS DEFERRED IAW MEL 21-33 CAT C AT GDL, THE TEMP CONT
- [SDR ASMF201310004](https://openairdocs.org/sdr/ASMF201310004.md): Mechanism · out of adjust · Sep 19, 2013 · N520AM · Boeing 73781Q · Drag Control System
  > AIRCRAFT REJECTED TAKEOFF AT 70 KNOTS WITH 54,600 KG WEIGHT, DUE TO CONFIGURATION ALARM. DURING MX REVISION, THE SPEED BRAKE LEVER FAILED; THE HIGH ENERGY STOP INSPECTION WAS PERFORMED IAW AMM 05-51-07, NO DAMAGE FOUND. THE AUTO SPEED BRAKE ACTUATOR MECHAN
- [SDR ASMF201306010](https://openairdocs.org/sdr/ASMF201306010.md): Fire Warning · false activation · Jun 17, 2013 · N520AM · Boeing 73781Q · Fire Detection
  > ACFT RETURNED, DURING CLIMB THE FWD CARGO FIRE WARNING AND MASTER FIRE WARNING LIGHTS TURNED ON AND WITH FIRE WARNING AUDIBLE ALARM. DURING MX REVISION, THE DISCHARGE LIGHT TURNED ON AND CARGO FIRE EXTINGUISHER BOTTLE DISCHARGED WERE FOUND. LIKEWISE, DURING
- [SDR ASMF20130531010](https://openairdocs.org/sdr/ASMF20130531010.md): Actuator · damaged · May 12, 2013 · N520AM · Boeing 73781Q · Landing Gear Actuator
  > CAPTAIN REPORTED THAT DURING APPROACH WITH LANDING GEAR LEVER DOWN, THE LT MLG RED LIGHT TURNED ON; SO FLIGHT CREW ACCOMPLISHED THE QRH 14.10 PROCEDURE AND MANUAL GEAR EXTENSION WAS PERFORMED. MX PERSONNEL REPLACED THE LT MLG ACTUATOR IAW AMM 32-32-11 AND PER
- [SDR ASMF20130531009](https://openairdocs.org/sdr/ASMF20130531009.md): Gasket · leaking · May 11, 2013 · N520AM · Boeing 73781Q · Fuel Storage
  > DURING TRANSIT CHECK, A FUEL LEAK WAS DETECTED ON LT PANEL 533BB. MX PERSONNEL REPLACED THE PANEL AND CORRESPONDING GASKET IAW AMM 28-11-11- 020-005, TESTED CORRECT.
- [SDR ASMF20130523005](https://openairdocs.org/sdr/ASMF20130523005.md): Sensor · damaged · Apr 27, 2013 · N520AM · Boeing 73781Q · Trailing Edge Flap Control System
  > CAPTAIN REPORTED THAT AFTER START ENGINES, THE L/E FLAPS TRANSIT LIGHT TURNED ON. DURING MX REVISION, THE SENSOR FLAP SKEW NR 6 WAS DETECTED DAMAGED; SO THE SENSOR WAS REPLACED IAW AMM 27-59-01, TESTED CORRECT.
- [SDR ASMF201303008](https://openairdocs.org/sdr/ASMF201303008.md): Heat Exchanger · dirty · Jan 21, 2013 · N520AM · Boeing 73781Q · Cabin Cooling System
  > ACFT RETURNED TO PLATFORM DUE TO LT AIR CONDITIONING PACK UNABLE TO CONTROL TEMPERATURE AT MANUAL AND AUTO POSITIONS. MX PERSONNEL CLEANED THE LT HEAT EXCHANGER IAW MM 21-51-03, TESTED CORRECT.
- [SDR ASMF201210012](https://openairdocs.org/sdr/ASMF201210012.md): Sleeve · damaged · Oct 6, 2012 · N520AM · Boeing 73781Q · Engine Thrust Reverser
  > DURING TRANSIT CHECK, FOUND A LIGHTNING STRIKE ON RT OUTER THRUST REVERSER TRANSLATION SLEEVE SKIN LOCATED AT 03:00 HRS POSITION. MX PERSONNEL PERFORMED A LIGHTNING STRIKE CONDITIONAL INSP IAW MM 05-51-19, DETECTING A CRACK IN THE AFT L/E OF 0.5" LENGTH AND F
- [SDR ASMF201210011](https://openairdocs.org/sdr/ASMF201210011.md): Unknown · smoke · Oct 5, 2012 · N520AM · Boeing 73781Q · Air Distribution System
  > CAPTAIN REPORTED THAT DURING CRUISE AT 36,000 FEET, SMOKE WAS PERCEIVED IN PASSENGER CABIN. FLIGHT CREW ACCOMPLISHED THE QRH 8.8 PROCEDURE. MX PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION IAW MM 05-51-50 AND FIM 21-00 TASK 806 PROCEDURE, NO SMOKE
- [SDR ASMF201208005](https://openairdocs.org/sdr/ASMF201208005.md): Wheel · damaged · Aug 8, 2012 · N520AM · Boeing 73781Q · Wheel/Ski/Float
  > DURING TRANSIT CHECK, DETECTED MAIN WHEEL NR 2 DEFLATED AND BRAKE ASSY NR 2 WITH BURN AND CRACK. PERFORM BRAKE SEIZURE CONDITIONAL INSPECTION AT NR 2 WHEEL AXLE IAW MM 05-51-15, NO ISSUES WERE FOUND, REPLACED OF MAIN WHEEL NR 2, IAW MM 32-45-11 AND BRAKE AS
- [SDR ASMF201206002](https://openairdocs.org/sdr/ASMF201206002.md): Skin · damaged · Jun 10, 2012 · N520AM · Boeing 73781Q · Fuselage Main, Plate/Skin
  > DURING TRANSIT CHECK, IT WAS DETECTED A LIGHTNING STRIKE IN THE FUSELAGE SKIN. MX PERFORMED A LIGHTNING STRIKE CONDITIONAL INSPECTION IAW MM 05-51-19, BURN MARKS OUT OF LIMITS IN THE LT FUSELAGE SKIN AT STA 727H AND 747 BETWEEN LONGERON 23L AND 25L. ACFT WA
- [SDR ASMF201204002](https://openairdocs.org/sdr/ASMF201204002.md): Brake · leaking · Apr 6, 2012 · N520AM · Boeing 73781Q · Brake
  > DURING TRANSIT CHECK, MX PERSONNEL DETECTED A HYD LEAK AT MAIN BRAKES NUMBERS 1, 3 AND 4. ACFT WAS SENT TO THE HANGAR AND MX PERSONNEL REPLACED MAIN BRAKES NUMBERS 1, 3 AND 4 IAW MM 32-41-41, TESTED CORRECT.
- [SDR ASMF201203003](https://openairdocs.org/sdr/ASMF201203003.md): Tire · deflated · Mar 17, 2012 · N520AM · Boeing 73781Q · Tire
  > DURING TRANSIT CHECK, THE LT NOSE WHEEL WAS FLAT. REPLACED IAW MM 32-45-21. AS A PRECAUTIONARY ACTION, THE RT NOSE WHEEL WAS REPLACED IAW MM 32-45-21, ALL CORRECT.
- [SDR ASMF201109009](https://openairdocs.org/sdr/ASMF201109009.md): Gearbox · lack of lube · Sep 23, 2011 · N520AM · Boeing 73781Q · Stabilizer Control System
  > CAPTAIN REPORTED THAT DURING APPROACH, THE STABILIZER TRIM WITH HIGH VIBRATION AND SOUND. MX PERSONNEL WAS PERFORMED THE FIM 27-41-00 TASK 803 / 804 PROCEDURE, CONFIRMING THE FAILURE. ACFT WAS SENT TO THE HANGAR AND THE HORIZ STABILIZER CONTROL SYS WAS CHEC
- [SDR ASMF201109002](https://openairdocs.org/sdr/ASMF201109002.md): Brake Assy · damaged · Aug 27, 2011 · N520AM · Boeing 73781Q · Brake
  > DURING TRANSIT CHECK AND PERFORMING A MLG WHEEL CHANGE, MX DETECTED BRAKE NR 2 WITH 11 LINKS BROKEN, ONE LINK LOOSED AND 4 RIVETS DAMAGED, SO THE BRAKE WAS REPLACED IAW MM 32-41-41, TESTED CORRECT.
- [SDR ASMF201108008](https://openairdocs.org/sdr/ASMF201108008.md): Fmc · malfunctioned · Aug 19, 2011 · N520AM · Boeing 73781Q · Flight Management Computing Software System
  > ACFT PERFORMED AN UNSCHEDULED LANDING, DURING CRUISE AN INDICATION OF INSUFFICIENT FUEL APPEARED ON THE FMC. MX PERFORMED BITE TO FMC AND FQIS IAW FIM 34-61 TASK 801 AND FIM 49-40 TASK 801 AND VERIFIED BY FUEL MEASURING STICKS IAW FMS 12-11-03, NO FAILURE WAS
- [SDR ASMF201106004](https://openairdocs.org/sdr/ASMF201106004.md): Switch · out of adjust · Jun 23, 2011 · N520AM · Boeing 73781Q · Indicating/Recording System
  > ACFT REJECTED TAKEOFF AT 10 KNOTS AND A GROSS WEIGHT OF 58 500 KG DUE TO CONFIGURATION ALARM WAS ACTIVATED AND MASTER OVERHEAT PSEU LIGHT TURNED ON. DURING MX REVISION, THE MESSAGE 31-53007 WAS SHOWN, THE FIM 27-62 TASK 808 PROCEDURE WAS PERFORMED; SO THE SPE

## 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 = 'N520AM' AND deregistration_id = 'N520AM-2021-02-09'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N520AM-2021-02-09/reports

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