# Service difficulty reports: N491SH, cancelled Jan 10, 2008

A list on [N491SH, cancelled Jan 10, 2008](https://openairdocs.org/deregistered/N491SH-2008-01-10.md).

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

- [SDR ASMF200408006](https://openairdocs.org/sdr/ASMF200408006.md): Proximity Switch · damaged · Aug 7, 2004 · N491SH · Doug DC982 · Leading Edge Slat Control System
  > DURING TRANSIT CHECK, CAPTAIN REPORTED SLAT DISAGREE LIGHT TURNED ON. PSEU WAS TESTED SHOWING FAIL CODES 510 AND 580. PSEU WAS REPLACED IAW 34-19-01, BUT FAIL CONTINUED. LT SLAT SENSORS WERE CHECKED DETECTING FAIL IN SENSOR "C", SENSOR "C" AND ITS SPRING WERE
- [SDR ASMF200406016](https://openairdocs.org/sdr/ASMF200406016.md): Damper · jammed · Jun 17, 2004 · N491SH · Doug DC982 · Elevator Control System
  > AIRCRAFT RETURNED TO PLATFORM, DURING TAXING AND ELEVATOR CONTROL TEST, CAPTAIN REPORTED ELEVATOR JAMMED. ELEVATOR CONTROL SYSTEM WAS CHECKED AND DAMAGE WAS DETECTED IN CONTROL COLUMN DURING MOVEMENT OF NOSE DOWN. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OV
- [SDR ASMF200406010](https://openairdocs.org/sdr/ASMF200406010.md): Warning Light · illuminated · Jun 12, 2004 · N491SH · Doug DC982 · Engine Oil Indicating System
  > AIRCRAFT REJECTED TAKE OFF AT 110 KNOTS AND RETURNED TO PLATFORM, (RT STRAINER CLOGGING) LIGHT TURNED ON. RT FILTER WAS REMOVED, CHECKED, CLEANED AND ENGINE OIL WAS REPLACED IAW MM 79-20-06, WHEELS WERE CHECKED BY REJECTED TAKE OFF, ALL CORRECT. DURING TRANS
- [SDR ASMF200405022](https://openairdocs.org/sdr/ASMF200405022.md): Switch · out of adjust · May 19, 2004 · N491SH · Doug DC982 · Trailing Flap Position Indicating System
  > AIRCRAFT RETURNED TO PLATFORM, (TAKE OFF) WARNING FLAG SHOWS, DURING TAKE OFF CONFIGURATION. DURING MAINTENANCE REVISION, FLAPS WERE OPERATED AND FAIL CONTINUE. VISUAL INSPECTION WAS PERFORMED AND WAS DETECTED THAT THE FLAP LEVER DOES NOT ACTUATE THE TAKE OFF
- [SDR ASMF200403003](https://openairdocs.org/sdr/ASMF200403003.md): Proximity Switch · failed · Mar 7, 2004 · N491SH · Doug DC982 · Landing Gear Position and Warning
  > DURING TRANSIT CHECK THE RIGHT AIR CONDITIONING TEMPERATURE CONTROL WAS OUT OF SERVICE. ADDITIONALLY, DURING TAKEOFF THE NOSE LANDING GEAR RED LIGHT WAS NOT TURNED OFF. THE PROXIMITY SWITCH ELECTRONIC UNIT (PSEU) WAS TESTED AND FAIL CODES 510 AND 580 APPEAR
- [SDR MEX2004007](https://openairdocs.org/sdr/MEX2004007.md): Indicator · malfunctioned · Jan 5, 2004 · N491SH · Doug MD83 · Altimeter, Barometric/Encoder
  > AIRCRAFT RETURNED TO PLATFORM AFTER ENGINES STARTING THE PO ALTIMETER FLAG CAME ON. CADC NR 2 WAS RESEATED AND TESTED IAW MM, ALL TESTED CORRECT. THE FLAG DISAPPEARED BUT IT HAD 130 FEET INDICATION BETWEEN ALTIMETERS. PNEUMATIC CONNECTIONS OF CADC NR 2 AND
- [SDR MEX2003488](https://openairdocs.org/sdr/MEX2003488.md): Door · damaged · Oct 14, 2003 · N491SH · Doug DC982 · Engine Thrust Reverser
  > AFTER AIRCRAFT LANDED THRUST REVERSERS WERE EXTENDED BEFORE NOSE LANDING GEAR HAD BEEN CONTACT ON THE GROUND, SCRATCHING THE THRUST REVERSES LOWER DOORS OF BOTH ENGINES (LARGE: 12 INCH, WIDE 1.5 INCHES APPROX). PERSONNEL WAS SENT TO REPAIR THE DAMAGES. BOTH
- [SDR MEX2003288](https://openairdocs.org/sdr/MEX2003288.md): Switch · malfunctioned · Jul 14, 2003 · N491SH · Doug DC982 · Airfoil Anti/De-ice System
  > FLT 215 - HMO-GDL - AIRCRAFT ARRIVED WITH CAPTAIN REPORT 'L ICE PROTECT TEMP HI' LIGHTS TURN ON. DURING TRANSIT CHECK THE THERMOSTAT AND ANTICIPATOR WERE REPLACED IAW MM 36-10-00. AIRCRAFT WAS DISPATCHED AND AIR TURN BACK AS A CONSEQUENCE OF 'L ICE PROTECT TE
- [SDR MEX2003247](https://openairdocs.org/sdr/MEX2003247.md): Pulley · failed · Jun 17, 2003 · N491SH · Doug DC982 · Leading Edge Slat Control System
  > DURNG SLATS CABLE ADJUSTMENT WAS FOUND RUBBING BETWEEN CABLE PULLEYS OF SLAT NR '0', LOCATED IN THE RT OF THE SLAT DRIVE MECHANISM. BOTH PULLEYS WERE REPLACED AND GAINED ENOUGH SEPARATION. CABLE DEFLECTION WAS MEASURED, FOUNDED 25/34 INCHES, WITHIN LIMITS IA
- [SDR MEX2003154](https://openairdocs.org/sdr/MEX2003154.md): Valve · failed · May 3, 2003 · N491SH · Doug MD83 · Autopilot System
  > DURING COCKPIT CHECK THE CAPTIAN FOUND PROBLEMS WITH (AUTO LAND) BUTTON AND LEFT PRESSURE REGULATOR VALVE. THE BUTTON WAS DEFERRED BY MEL CATEGORY C AD THE VALVE WAS REPLACED IAW MM.
- [SDR MEX2003054](https://openairdocs.org/sdr/MEX2003054.md): Transmitter · failed · Mar 2, 2003 · N491SH · Doug DC982 · Hydraulic Pressure Sensor
  > DURING CREW CABIN REVISION, CAPTAIN REPORTED LEFT ENGINE HYDRAULIC PUMP OUT OF SERVICE WITH 3000 PRESSURE INDICATION. LT TRANSMITTER HYDRAULIC PRESSURE WAS REPLACED AND IT WAS PERFORMED OPERATIONAL TEST WITH ZERO PRESSURE INDICATION, IAW MM, TESTS CORRECT.
- [SDR MEX2003024](https://openairdocs.org/sdr/MEX2003024.md): Socket · burned · Feb 4, 2003 · N491SH · Doug DC982 · Buffet/Galleys
  > AIRCRAFT ACCOMPLISHED AN UNSCHEDULED LANDING, SMOKE IN FORWARD GALLEY. DURING CRUISE WAS DETECTED SMOKE IN PASSENGERS CABIN FROM THE UPPER PART OF THE FORWARD GALLEY OVENS A SMOKE WAS INCREASED WHEN THE SYSTEM WAS SHUTOFF. OVEN NR 2 WAS CHECKED BY CONDITION
- [SDR MEX2003003](https://openairdocs.org/sdr/MEX2003003.md): Indicator · failed · Jan 5, 2003 · N491SH · Doug DC982 · Altimeter, Barometric/Encoder
  > AIRCRAFT RETURNED TO PLATFORM DUE TO FIRST OFFICER ALTIMETER OFF FLAG. ALTIMETER WAS RESET BUT FLAG CONTINUES. BOTH CADCS WERE INTERCHANGED, TESTS WERE PERFORMED IAW MM. AFTER TESTS, 130 FT DIFFERENCE BETWEEN ALTIMETERS APPEARS. PNEUMATIC CONNECTIONS WER
- [SDR MEX2002274](https://openairdocs.org/sdr/MEX2002274.md): Fcu · failed · Aug 23, 2002 · N491SH · Doug DC982 · Fuel Control/Turbine Engines
  > FLT 252 - MEX-GDL - AIRCRAFT RETURNED TO GATE DUE TO ACCELERATION FAILURE OF LEFT ENGINE. THE ACCELERATION CHAMBER WAS REVISED AND IT WAS PERFORMED A TRIM IAW MM 73-20-03 AND 73-11-00, TESTS OK. THE FCU OF LEFT ENGINE WAS REPLACED, TRIM WAS PERFORMED, TESTS
- [SDR MEX2002245](https://openairdocs.org/sdr/MEX2002245.md): Flow Valve · failed · Jul 29, 2002 · N491SH · Doug DC982 · Inertial Guidance System
  > PILOT REPORTED A DIFFERENCE OF 6 DEGREES BETWEEN COMPASS AND RADAR WITH AN INDICATION FAILURE AND FLIGHT DIRECTORS OUT OF SERVICE IN TAKE OFF. DUE TO SUCH A FAILURE, A CHANGE OF EQUIPMENT WAS REQUESTED. THE FLOW VALVE OF THE COMPASS SYSTEM WAS REPLACED, IAW
- [SDR MEX2002256](https://openairdocs.org/sdr/MEX2002256.md): Switch · failed · May 8, 2002 · N491SH · Doug DC982 · Stall Warning System
  > AIRCRAFT RETURNED TO PLATFORM AS DUE TO AUTO SLAT FAIL LIGHT, THE STALL COMPUTER WAS REPLACED AND FAILURE CONTINUED, THE CONNECTORS OF STALL COMPUTER WERE CLEANED AND BOTH ACTUATOR CONNECTORS WERE RESEATED, TESTS WERE PERFORMED OK. DURING TAXI THE SAME LIGHT
- [SDR MEX2002116](https://openairdocs.org/sdr/MEX2002116.md): Duct · leaking · Apr 18, 2002 · N491SH · Doug DC982 · Pneumatic Distribution System
  > FLT 489 - SJD-ACA - AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCES OF HIGH TEMPERATURE IN ENGINE NR 2 (470 GRADES), ENGINE WAS STARTED WITH A PNEUMATIC POWER GETTING 380 GRADES. DURING OVERNIGHT SERVICE WERE REPAIRED TWO PNEUMATIC LINES WITH LEAKS, TESTS WERE
- [SDR MEX2002082](https://openairdocs.org/sdr/MEX2002082.md): Filter · dirty · Mar 24, 2002 · N491SH · Doug DC982 · Fuel Control/Turbine Engines
  > FLT 430 - PVR-LAX - CAPTAIN REPORTED HIGH TEMPERATURE AT ENGINE STARTING, THE ENGINE STARTING WAS PERFORMED THREE TIMES, AT THIS LAST TIME THE STARTING WAS INSIDE THE PARAMETERS. AIRCRAFT STARTED THE TAXI, HOWEVER IT RETURNED TO PLATFORM AS CONSEQUENCE OF AN
- [SDR MEX2002045](https://openairdocs.org/sdr/MEX2002045.md): Warning System · malfunctioned · Feb 20, 2002 · N491SH · Doug DC982 · DC Indicating System
  > FLT 180 - MLM-HMO - DURING TAXI, CAPTAIN INFORMED THAT DC BUS OFF LIGHT IS ON. RESET THE CIRCUIT BREAKER, LIGHT WAS NOT OFF. AIRCRAFT RETURNED TO PLATFORM. BOTH BATTERIES WERE DISCONNECTED AND CONNECTED, RESET THE RELAYS R2-21 AND R2-326, TEST OK, IAW MM 24
- [SDR RG22002F00000](https://openairdocs.org/sdr/RG22002F00000.md): Module · failed · Jul 16, 2001 · N491SH · Doug DC982 · Turbine Section
  > RECEIVED AT REPAIR STATION WITH UNCONTAINED TURBINE FAILURE. OPERATOR REPORTED THAT FAILURE OCCURED DURING AN APPROACH TO AIRPORT. AIRCRAFT ENCOUNTERED WINDSHERE WHEN AN ENGINE OVERBOOSTED. FAILURE OCCURE TO ENGINE 2 WHEN CUT BACK IN POWER. UNDER INVESTIGAT

## 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 = 'N491SH' AND deregistration_id = 'N491SH-2008-01-10'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N491SH-2008-01-10/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.