# Service difficulty reports: Air Tractor AT-502

A list on [Air Tractor AT-502](https://openairdocs.org/model/air-tractor-at-502.md).

Newest first. General aviation reporting is voluntary.

- [SDR CA140630016](https://openairdocs.org/sdr/CA140630016.md): Engine · not reported · Jun 17, 2014 · Airtrc AT502 · Engine (Turbine/Turboprop)
  > (CAN) PILOT REPORTED, THE ACFT HAD AN ENGINE ISSUE DURING TAKEOFF AND CRASHED INTO FIELD STRAIGHT AHEAD. THE ACFT SHOWED SUBSTANTIAL DAMAGES AND THE PILOT SUFFERED MINOR INJURIES. THE AIRPLANE WAS REMOVED FROM FIELD AND SENT TO STORAGE FACILITY. THE NTSB REQU
- [SDR 2013FA0000506](https://openairdocs.org/sdr/2013FA0000506.md): Bolt · worn · Sep 5, 2013 · N9185G · Airtrc AT502 · Rudder Control System
  > RIGHT RUDDER PETAL MOUNT ASSY HAS EXCESSIVE WEAR FROM SIDE TO SIDE. BOLT WAS RUSTED IN PLACE AND VERY HARD TO REMOVE. FOUND BOLT SEVERLY GROOVED AROUND SHANK. BOLT APPEARS TO BE ORIGINAL AND NEVER LUBRICATED SINCE FACTORY. THE BOLT WORN AWAY, THE ATTACHMEN
- [SDR 2013FA0000500](https://openairdocs.org/sdr/2013FA0000500.md): Bushing · worn · Aug 31, 2013 · N9185G · Airtrc AT502 · Rudder Control System
  > RT RUDDER PEDAL MOUNT ASSY HAS EXCESSIVE WEAR, PLAY BETWEEN THE BUSHING AND RUDDER MOUNT ASSY AT TOP WHERE BUSHING IS INSERTED FOR THE THROUGH BOLT.
- [SDR 2013FA0000317](https://openairdocs.org/sdr/2013FA0000317.md): Torque Tube · corroded · Jun 5, 2013 · N122HF · Airtrc AT502 · Elevator Control System
  > ELEVATOR TORQUE TUBE WAS WRAPPED WITH DUCT TAPE DURING THE MANUFACTING PROCESS, THE TAPE RETAINED MOISTURE CAUSING SUBSTANTIAL CORROSION TO THE TORQUE TUBE AND SKIN.
- [SDR 2011FA0000424](https://openairdocs.org/sdr/2011FA0000424.md): Engine · failed · Jun 28, 2011 · N1022N · Airtrc AT502 · Engine (Turbine/Turboprop)
  > AG AIRCRAFT DUMPED A LOAD AND WAS RETURNING TO LAND WHEN THE PILOT LOST ENGINE POWER. EXECUTED A CRASH LANDING IN A WHEAT FIELD WITH SUBSTANTIAL DAMAGE TO THE AIRCRAFT. NO INJURIES TO THE SINGLE PILOT OCCUPANT.
- [SDR CA110711005](https://openairdocs.org/sdr/CA110711005.md): Engine · power loss · Jun 24, 2011 · Airtrc AT502 · Engine (Turbine/Turboprop)
  > (CAN) ACCIDENT WHILE IN CRUISE FLIGHT ABOUT 800 FEET ABOVE GROUND LEVEL, THE ENGINE LOST POWER AND THE PILOT INITIATED A FORCED LANDING TO AN AREA OF OPEN, UNEVEN TERRAIN. DURING THE LANDING ROLL, THE LT WING STRUCK THE GROUND AND THE ACFT GROUND LOOPED. THE
- [SDR CA060531008](https://openairdocs.org/sdr/CA060531008.md): Engine · failed · Apr 28, 2006 · Airtrc AT502 · Engine (Turbine/Turboprop)
  > (CAN) THE ENGINE WAS REPORTED TO HAVE LOST POWER IN FLIGHT LEADING TO A FORCED LANDING AND RESULTANT AIRFRAME DAMAGE. MFG WILL INVESTIGATE THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20060531008)
- [SDR AUS20030753](https://openairdocs.org/sdr/AUS20030753.md): Pipe · worn · Jul 25, 2003 · Airtrc AT502 · Turbine Engine Oil System
  > (AUS) ENGINE EXTERNAL NR 2 BEARING OIL SCAVENGE LINE WORN AND LEAKING AT REAR FIRE SEAL. SEAL HAD CONTACTED PIPE WHICH HAD CRACKED IN THE WORN AREA.
- [SDR AUS20030470](https://openairdocs.org/sdr/AUS20030470.md): Longeron · cracked · May 2, 2003 · Airtrc AT502 · Fuselage Main, Longeron/Stringer
  > (AUS) FUSELAGE LONGERON CRACKED IN AREA INDICATED IN SL195.
- [SDR 2002FA0000568](https://openairdocs.org/sdr/2002FA0000568.md): Blade · failed · May 1, 2002 · N9185F · Airtrc AT502 · Turbine Engine Compressor Section
  > DURING TAKE OFF THE ENGINE LOST ALL POWER. ENGINE WAS SHIPPED TO CERTIFIED REPAIR STATION. THE PRELIMINARY ANALYSIS IS IN THE ENGINE TURBINE SECTION: THE COMPRESSOR TURBINE DISC P/N 3013411, S/N 2P609, HAD SEVERAL BLADES (BLADES 9,11 THRU 19, 21, 44, AND 45
- [SDR AU001115](https://openairdocs.org/sdr/AU001115.md): Spar Cap · cracked · Nov 23, 2000 · Airtrc AT502 · Wing Spar
  > (AUS) LEFT SPAR CAP CRACKED IN AREA OF THE HOLE LOCATED 3 MM (0.118 INCHES) FORWARD ALONG THE BOTTOM FACE AND 8 MM (0.314 INCHES) UP THE HOLE. FOUND DURING MAGNETIC PARTICLE INSPECTION IAW AT/20 SL 197. (X)
- [SDR AU990811](https://openairdocs.org/sdr/AU990811.md): Torque Tube · cracked · Aug 2, 1999 · Airtrc AT502 · Elevator Structure
  > (AUS) ELEVATOR TORQUE TUBE CRACKED.
- [SDR AU990517](https://openairdocs.org/sdr/AU990517.md): Rib · cracked · May 27, 1999 · Airtrc AT502 · Horizontal Stabilizer, Spar/Rib
  > (AUS) HORIZONTAL STABILIZER NOSE RIBS CRACKED AT THE FORWARD EDGE ALONG THE FLANGE RADIUS.
- [SDR AU980388](https://openairdocs.org/sdr/AU980388.md): Bolt · sheared · Mar 20, 1998 · Airtrc AT502 · Nose/Tail Landing Gear Attach Section
  > (AUS) TAIL WHEEL SPRING TO SWIVEL ATTACHMENT BOLTS SHEARED DUE TO HEAVY LANDING. PART TC: 534.
- [SDR AU980320](https://openairdocs.org/sdr/AU980320.md): Spring · broken · Mar 18, 1998 · Airtrc AT502 · Rudder Control System
  > (AUS) LT RUDDER/AILERON INTERCONNECT SPRING BROKEN. THE SPRING FAILED ON THE HOOK APPROXIMATELY 10MM (0.393 INCH) FROM THE ATTACHMENT POINT. INVESTIGATION FOUND THAT THE CRACK HAD BEEN PRESENT FOR SOME TIME BEFORE FAILURE.
- [SDR 97ZZZX4948](https://openairdocs.org/sdr/97ZZZX4948.md): Clamp · cracked · Nov 6, 1997 · Airtrc AT502 · Propeller Assembly
  > INSPECTION FOUND PROPELLER CLAMP CRACKED AT BOLT HOLE.
- [SDR 97ZZZX3780](https://openairdocs.org/sdr/97ZZZX3780.md): Clamp · cracked · Jul 30, 1997 · Airtrc AT502 · Propeller Blade Section
  > INSPECTION FOUND BLADE CLAMP CRACKED.
- [SDR AU961085](https://openairdocs.org/sdr/AU961085.md): Bracket · broken · Aug 7, 1996 · Airtrc AT502 · Fuselage, Stabilizer Attach Fittings
  > (AUS) FORWARD FIN ATTACHMENT BRACKET BROKEN IN AREA DESCRIBED IN AIRTRACTOR SB 138 - AIRCRAFT IS FITTED WITH A 6.35MM (0.25IN)PLATE
- [SDR 95ZZZX1378](https://openairdocs.org/sdr/95ZZZX1378.md): Stub Shaft · failed · Mar 2, 1995 · N9184T · Airtrc AT502 · Cabin Cooling System
  > PILOT NOTED AIR CONDITIONER INOP. REMOVED DRIVE BRACKET ASSY FROM ENGINE. SPLINES WORN OFF OF SHAFT. SPLINES IN ENGINE SHAFT NOT SERVICEABLE. SUBMITTER SUGGESTED ALL SUCH COMPONENTS SHOULD BE REMOVED FROM SERVICE. SECOND SUCH OCCURRENCE. STC SA0144AT.

## 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 aircraft_model_key = 'AT502'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/air-tractor-at-502/reports

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