# Service difficulty reports: Socata TB-20 TRINIDAD

A list on [Socata TB-20 TRINIDAD](https://openairdocs.org/model/socata-tb-20-trinidad.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2022FA0000613](https://openairdocs.org/sdr/2022FA0000613.md): Actuator · malfunctioned · Oct 13, 2022 · N711RP · Socata TB20TRINIDAD · Landing Gear Actuator
  > AIRCRAFT HAD AN INCIDENT IN WHICH THE GEAR WOULD NOT EXTEND NORMALLY. ATTEMPTED MULTIPLE EMERGENCY EXTENDS COULDN'T GET THE NOSE GEAR TO LOCK. RESULTED IN A NOSE GEAR COLLAPSE ON LANDING. UPON INSPECTION IN THE SHOP WAS FOUND THAT ONE NLG COMP ACTUATOR WAS BAD
- [SDR 2022FA0000614](https://openairdocs.org/sdr/2022FA0000614.md): Relay · malfunctioned · Aug 21, 2021 · N711RP · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > AIRCRAFT COULD NOT GET THE GEAR TO EXTEND NORMALLY BUT WOULD RETRACT FINE. PERFORMED EMERGENCY EXTENSION FOR LANDING IN WHCH NLG FAILED UPON LANCH DOWN. UPON INSPECTION IN THE SHOP IT WAS FOUND THE POURER WIRE TO THE HYDRALIC POWER PACK FOR DOWN BECAME UNHOOKE
- [SDR 2017FA0000477](https://openairdocs.org/sdr/2017FA0000477.md): Seal · worn · Jul 8, 2017 · N3039P · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > OVER THE PAST YEAR, THE LANDING GEAR WOULD OCCASIONALLY NOT EXTEND, BUT THE LANDING GEAR MOTOR & PUMP CONTINUED RUNNING. EMERGENCY GEAR EXTENSIONS ALWAYS WORKED, AND GEAR RETRACTION ALWAYS WORKED. AFTER CONSIDERABLE INVESTIGATION IT WAS DISCOVERED THAT INTER
- [SDR 2016FA0000061](https://openairdocs.org/sdr/2016FA0000061.md): Actuator · leaking · Feb 5, 2016 · N30486 · Socata TB20TRINIDAD · Landing Gear Actuator
  > NOSE GEAR ACTUATOR LEAKED CAUSING THE LANDING GEAR HYD MOTOR TO FAIL.
- [SDR 2015FA0000554](https://openairdocs.org/sdr/2015FA0000554.md): Altimeter · damaged · Oct 26, 2015 · N2530Z · Socata TB20TRINIDAD · Altimeter, Barometric/Encoder
  > TURNING THE KOLLSMAN WINDOW KNOB DOES NOT MOVE THE ALTIMETER DIAL.
- [SDR 2013FA0000720](https://openairdocs.org/sdr/2013FA0000720.md): Thru Bolt · wrong part · Nov 9, 2012 · Socata TB20TRINIDAD · Engine (Reciprocating)
  > DURING THE COURSE OF AN INVESTIGATION INTO A FATAL ACCIDENT INVOLVING ACFT, AUSTRALIAN REGISTRATION, THE AUSTRALIAN TRANSPORT SAFETY BUREAU (ATSB) BECAME AWARE THAT THE ENGINE CONTAINED PARTS THAT WERE NOT APPROVED TO BE FITTED TO THE ENGINE TYPE. THE PARTS WE
- [SDR 2013FA0000114](https://openairdocs.org/sdr/2013FA0000114.md): Switch · stuck · Jun 20, 2012 · N1866S · Socata TB20TRINIDAD · Landing Gear Position and Warning
  > NOSE GEAR DOWN INDICATOR SWITCH REMAINED STUCK CLOSED AFTER RETRACTION OF GEAR. WHEN GEAR WAS EXTENDED, HYD PRESSURE TO NOSE GEAR STOPPED WHEN MAIN GEAR DOWN LIMIT SWITCHES CLOSED SHUTTING OFF GEAR MOTOR PRIOR TO NOSE GEAR LOCKING. ACFT LANDED WITH 3 GREEN
- [SDR LC1R20120306005](https://openairdocs.org/sdr/LC1R20120306005.md): Plug · loose · Mar 6, 2012 · N1906S · Socata TB20TRINIDAD · Reciprocating Engine Oil System
  > DURING RUN UP OF A NEWLY FACTORY REBUILT ENGINE, THE PROPELLER DID NOT CYCLE. IT WAS DISCOVERED THAT THE PLUG, BEHIND THE OIL SUPPLY TUBE HAD COME LOOSE AND WAS ALLOWING PRESSURIZED OIL FROM THE GOVERNOR TO FLOW BACK THROUGH THE CRANKSHAFT AND NOT ACTUATE THE
- [SDR CA100805012](https://openairdocs.org/sdr/CA100805012.md): Relay · burned · Jun 30, 2010 · Socata TB20TRINIDAD · Trailing Edge Flap Control System
  > (CAN) FLAP CIRCUIT BREAKER POP OUT, DURING TESTING FLAP OPERATION ON THE GROUND. DEFECT FOUND WAS BURNED CONTACT IN FLAP RELAY LOCATED UNDER ACFT BELLY RT SIDE.
- [SDR 2007FA0000236](https://openairdocs.org/sdr/2007FA0000236.md): Terminal · broken · Jan 21, 2007 · N711RP · Socata TB20TRINIDAD · DC Generator-Alternator
  > FIELD WIRE TERMINAL END BROKEN AT ALTERNATOR TERMINAL LUG CAUSED FAILURE OF ALTERNATOR TO CHARGE BATTERY. (K)
- [SDR 2007FA0000069](https://openairdocs.org/sdr/2007FA0000069.md): Relay · failed · Dec 26, 2006 · N1913S · Socata TB20TRINIDAD · Electrical Power System
  > IT SEEMS THAT THE DEMAND OF THIS RELAY IN THE LANDING GEAR SYSTEM IS GREATER THAN THE DESIGNED LOAD USEAGE OF THE CURRENT RELAY. WOULD RECOMEND A HEAVIER DUTY RELAY, WHICH MFG HAS SINCE MADE AVAILABLE. (K)
- [SDR 2006FA0000587](https://openairdocs.org/sdr/2006FA0000587.md): Cylinder · unserviceable · Feb 2, 2006 · N2808W · Socata TB20TRINIDAD · Main Landing Gear Strut/Axle/Truck
  > MLG HYD CYL, PN TB2047007/SN WO300497 WAS REMOVED AND SENT FOR INTERNAL LEAK AND A VERY STIFF SPOT ABOUT CENTER OF TRAVEL. CYL WAS RETURNED, REPAIRED, WARRANTY AS IS. INSTALL CYL ON LT MLG. INTERNAL LEAK NO LONGER EXISTED. UPON TESTING EMERGENCY EXTENSION
- [SDR 1050326](https://openairdocs.org/sdr/1050326.md): Blade · cracked · Mar 30, 2005 · Socata TB20TRINIDAD · Propeller Blade Section
  > BLADE 1, S/NR H20755R WAS FOUND WITH A 1 INCH CRACK, STARTING FROM LEADING EDGE, ABOUT 4 INCHES FROM BLADE TIP. THE BLADE WAS ALREADY REWORKED AT THIS AREA BECAUSE OF A EARLIER STONE NICK. PROPELLER WAS OVERHAULED IN MARCH 2003 AND HAS 387 TSO UNTIL CRACK WAS
- [SDR 2005FA0000163](https://openairdocs.org/sdr/2005FA0000163.md): Tappet · missing · Oct 20, 2004 · N882 · Socata TB20TRINIDAD · Reciprocating Engine Power Section
  > ON ANNUAL 100 HR INSP, OIL STRAINER CLEANED, METAL PIECE FOUND IN STRAINER, METAL PIECE SENT TO MFG FOR ANALYSIS, REPORT INDICATED. PIECE FROM TAPPET BODY. CYCLE REDUCED, INSP OF TAPPPET BODIES, FOUND NIS INLET, BODY WITH PIECE MISSING FROM SURFACE, PROBABLE
- [SDR AUS20031164](https://openairdocs.org/sdr/AUS20031164.md): Spar · corroded · Nov 3, 2003 · Socata TB20TRINIDAD · Wing Spar
  > (AUS) LT AND RT MAIN WING SPARS CORRODED ON REAR FACE. SPAR PN TB20-11-003-100 AND PN TB20-11-003-101.
- [SDR AUS20030834](https://openairdocs.org/sdr/AUS20030834.md): Spar · corroded · Apr 3, 2003 · Socata TB20TRINIDAD · Wing Spar
  > (AUS) LT WING MAIN SPAR WEB CORRODED IN AREA BEHIND RIB PN TB20.11.003.100 LOCATED AT WS 660.
- [SDR LC12002F00000](https://openairdocs.org/sdr/LC12002F00000.md): Ring · worn · Aug 27, 2002 · N163GT · Socata TB20TRINIDAD · Nose/Tail Landing Gear
  > DURING INSPECTION THE NLG STRUT, HAD FORE AND AFT AND SIDE TO SIDE PLAY BETWEEN THE HOUSING AND INNER STRUT. DISASSEMBLED STRUT. TECH REP ADVISED THAT THERE WERE NO PARAMETERS FOR THIS, REASSEMBLE AND CHECK THE STEERING ARM DIMENSIONS PER SM. IF GOOD THEN
- [SDR 2001FA0000597](https://openairdocs.org/sdr/2001FA0000597.md): Relay · failed · Nov 20, 2001 · N1871S · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > LANDING GEAR FAILED TO EXTEND. CIRCUIT BREAKER FOUND OPEN. INVESTIGATION FOUND LANDING GEAR UP, RELAY POINTS WELDED CLOSED.
- [SDR AU001114](https://openairdocs.org/sdr/AU001114.md): Connector · broken · Oct 25, 2000 · Socata TB20TRINIDAD · Landing Gear Position and Warning
  > (AUS) RT DOWNLOCK SWITCH CONNECTOR BROKEN AT THE BOTTOM OF THE ATTACHMENT NUT.
- [SDR 99ZZZX3623](https://openairdocs.org/sdr/99ZZZX3623.md): Transmitter · erratic · Aug 3, 1999 · N2822A · Socata TB20TRINIDAD · Fuel Quantity Sensor
  > PILOT REPORTED ERRATIC FUEL QUANTITY INDICATIONS ON RT FUEL TANK. TROUBLE WAS TRACED TO A FUEL QUANTITY TRANSMITTER, PN TB2052041002. WHEN CHECKED PER MM, OHM VALUES WERE ERRATIC AND OUT OF TOLERANCE. TWO NEW UNITS WERE ORDERED AND EACH CHECKED OUT OF TOLER
- [SDR AU981142](https://openairdocs.org/sdr/AU981142.md): Pipe · leaking · Sep 6, 1998 · Socata TB20TRINIDAD · Hydraulic System, Main
  > (AUS) LANDING GEAR EMERGENCY VALVE FORWARD PIPE LEAKING FLUID FROM A PIN HOLE IN A CURVED SECTION OF THE PIPE. LOSS OF HYDRAULIC FLUID. PART TC: 3,439.
- [SDR AU980762](https://openairdocs.org/sdr/AU980762.md): Valve · worn · Jun 26, 1998 · Socata TB20TRINIDAD · Engine Oil Temperature Regulator
  > (AUS) ENGINE OIL TEMPERATURE CONTROL VALVE FACE WORN EXCESSIVELY. FOUND DURING INSPECTION IAW AD/LYC/78. PART TOTAL CYCLES: 1,830.
- [SDR AU980389](https://openairdocs.org/sdr/AU980389.md): Csu · damaged · Mar 31, 1998 · Socata TB20TRINIDAD · Propeller Governor
  > (AUS) PROPELLER CSU LEAKING OIL. INVESTIGATION FOUND THAT THE LOWER ENGINE COWL HAD WORN THROUGH THE CSU LOWER BODY.
- [SDR 98ZZZX1668](https://openairdocs.org/sdr/98ZZZX1668.md): Guide · failed · Mar 19, 1998 · N51TB · Socata TB20TRINIDAD · Passenger/Crew Doors
  > WHILE TROUBLESHOOTING AN AIR LEAK ON THE RT DOOR, DISCOVERED THE FWD DOOR LATCH WAS NOT OPERATING DUE TO A BROKEN LOWER LATCH GUIDE. FURTHER INVESTIGATION REVEALED THE BROKEN LATCH GUIDE WAS A P/N TB1025042100 GUIDE MADE OF PLASTIC INSTEAD OF THE PROPER P/N T
- [SDR 98ZZZX987](https://openairdocs.org/sdr/98ZZZX987.md): Muffler · failed · Feb 14, 1998 · N2507T · Socata TB20TRINIDAD · Engine Collector/Tailpipe/Nozzle
  > MUFFLER SEAM SPLIT FOLLOWING REPAIR. TIS WAS 1 HOUR. SECOND REPAIR LASTED 3 HOURS THEN MUFFLER EXPLODED. INVESTIGATION FOUND MUFFLER WAS FOR LYC O320 INSTEAD OF IO540.
- [SDR 97ZZZX3631](https://openairdocs.org/sdr/97ZZZX3631.md): Line · cracked · Jul 24, 1997 · N25SW · Socata TB20TRINIDAD · Hydraulic System, Main
  > POOR PUMP MOUNTING BY OEM GIVES INSUFFICIENT VIBRATION ATTENUATION. ALUMINUM HYDRAULIC LINES ON PUMP FITTINGS CRACKED AT FLARES. SUBMITTER STATED SHOULD USE FLEXIBLE LINES.
- [SDR 97ZZZX3472](https://openairdocs.org/sdr/97ZZZX3472.md): Spar · corroded · Jul 21, 1997 · N2527E · Socata TB20TRINIDAD · Wing Spar
  > DURING AN ANNUAL INSPECTION OF THIS AIRCRAFT, A CONSIDERABLE AMOUNT OF CORROSION OF THE RIGHT WING SPAR WAS FOUND WITH SOME FORM OF DELAMINATION. THE PRIMARY CORROSION WAS FOUND ON THE RIGHT WING SPAR NEAR THE RIB ONTO WHICH THE LANDING GEAR IS ATTACHED.
- [SDR 97ZZZX2031](https://openairdocs.org/sdr/97ZZZX2031.md): Switch · wire broken · Mar 12, 1997 · N72BM · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > NOSE GEAR DID NOT FULLY EXTEND AND LOCK DUE TO A NOSE GEAR END OF TRAVEL LIMIT SWITCH. THE SWITCH IS MOUNTED ON THE FORWARD LEG OF THE OVER-CENTER LINK AND DOWNLOCK. THE WIRE IS TY-WRAPPED TO THE LINK. THE SWITCH HAD 1736.08 HOURS TOTAL TIME. THE SWITCH SH
- [SDR 97ZZZX621](https://openairdocs.org/sdr/97ZZZX621.md): Lever · bent · Jan 18, 1997 · N2803A · Socata TB20TRINIDAD · Stabilizer Control System
  > INSP FOUND BOTH PITCH CONTROL LEVERS BENT OUTWARD FROM CENTER. PILOT EXPERIENCED INSUFFICIENT NOSE DOWN PITCH CONTROL JUST AFTER TAKEOFF. MOST LIKELY CAUSE DETERMINED TO BE A HIGH TAIL WIND GUST OR JET WASH HITTING BACK OF AIRCRAFT WHILE PARKED AND CHOCKED O
- [SDR 97ZZZX620](https://openairdocs.org/sdr/97ZZZX620.md): Lever · bent · Jan 18, 1997 · N2803A · Socata TB20TRINIDAD · Stabilizer Control System
  > INSP FOUND BOTH PITCH CONTROL LEVERS BENT OUTWARD FROM CENTER. PILOT EXPERIENCED INSUFFICIENT NOSE DOWN PITCH CONTROL JUST AFTER TAKEOFF. MOST LIKELY CAUSE DETERMINED TO BE A HIGH TAIL WIND GUST OR JET WASH HITTING BACK OF AIRCRAFT WHILE PARKED AND CHOCKED O
- [SDR 97ZZZX776](https://openairdocs.org/sdr/97ZZZX776.md): Valve · malfunction · Nov 19, 1996 · N470SP · Socata TB20TRINIDAD · Vacuum Distribution System
  > PRECISE FLIGHT STANDBY VACUUM SYSTEM FAILED TO OPERATE WHEN SELECTED. SUBSEQUENT INSPECTION REVEALED ACTUATION CONTROL CABLE TO BE LIMITED IN TRAVEL DUE TO INTERFERENCE WITH CONTROL VALVE LEVER. PREVIOUS EXPERIENCES WITH INSTALLING THIS SYSTEM HAVE FOUND THI
- [SDR 97ZZZX535](https://openairdocs.org/sdr/97ZZZX535.md): Pump · failed · Nov 19, 1996 · N470SP · Socata TB20TRINIDAD · Vacuum Distribution System
  > PNEUMATIC PUMP INSTALLED ON AIRCRAFT 8-5-96 ALONG WITH NEW VACUUM FILTERS. ON 11-15-96 AT 128.4 HOURS PUMP FAILED BY SEIZING AND SHEERING DRIVE SHAFT. PUMP WAS REPLACED WITH ANOTHER NEW UNIT WITH NO SYSTEM DEFECTS NOTED. (NOTE ORIGINAL PUMP REPLACED AT 1002
- [SDR 96ZZZX4233](https://openairdocs.org/sdr/96ZZZX4233.md): Digitizer · static leak · Aug 5, 1996 · N5546A · Socata TB20TRINIDAD · Altimeter, Barometric/Encoder
  > ALTITUDE DIGITIZER HAS PLASTIC GLASS FILLED NYLON HEADER. THE STATIC INLET PORT CRACKED CAUSING LEAK. SUBMITTER STATED THIS IS A RECURRING PROBLEM WITH THIS ITEM WHICH WAS ORIGINALLY METAL.
- [SDR AU960846](https://openairdocs.org/sdr/AU960846.md): Seal · deteriorated · Jun 8, 1996 · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > (AUS) RH MAIN LANDING GEAR ACTUATOR SEALS DETERIORATED AND LEAKING - CAUSED BY FAILURE TO CORRECTLY MASK LANDING GEAR RAM DURING PAINTING ALLOWING RAM SHAFT TO BE COVERED IN PAINT WHICH DAMAGED RAM SEALS - PERSONNEL/MAINTENANCE ERROR
- [SDR 96ZZZX2994](https://openairdocs.org/sdr/96ZZZX2994.md): Actuator · lost charge · May 17, 1996 · N20FF · Socata TB20TRINIDAD · Landing Gear Door Actuator
  > ON APPROACH, OPERATOR ATTEMPTED TO LOWER GEAR. GEAR DID NOT RESPOND. SEVERAL ATTEMPTS WERE MADE TO LOWER GEAR NORMALLY. GEARS WERE THEN LOWERED WITH EMERGENCY GEAR EXTENSION HANDLE. BOTH MAIN GEARS WERE DOWN AND LOCKED, BUT NOSE GEAR WOULD NOT LOCK DOWN.
- [SDR 96ZZZX3785](https://openairdocs.org/sdr/96ZZZX3785.md): Compensator · failed · May 14, 1996 · N20FF · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > ONE OF THE TWO NOSE GEAR EXTEND COMPENSATORS INSTALLED ON THIS AIRCRAFT LOST ITS AIR CHARGE. THE NOSE GEAR WOULD NOT EXTEND PROPERLY DURING AN EMERGENCY GEAR EXTENSION RESULTING FROM A FAILURE DURING NORMAL EXTENSION. THE AIRCRAFT HAD JUST RECEIVED AN ANNUAL
- [SDR 96ZZZX2993](https://openairdocs.org/sdr/96ZZZX2993.md): Relay · failed · May 14, 1996 · N20FF · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > ON APPROACH, OPERATOR ATTEMPTED TO LOWER GEAR. GEAR DID NOT RESPOND. SEVERAL ATTEMPTS WERE MADE TO LOWER GEAR NORMALLY. GEARS WERE THEN LOWERED WITH EMERGENCY GEAR EXTENSION HANDLE. BOTH MAIN GEARS WERE DOWN AND LOCKED, BUT NOSE GEAR WOULD NOT LOCK DOWN.
- [SDR 96ZZZX1781](https://openairdocs.org/sdr/96ZZZX1781.md): Engine Monitor · interference · Mar 11, 1996 · N25SW · Socata TB20TRINIDAD · Engine Ignition Analyzer System
  > GRAPHIC ENGINE MONITOR (MODEL GEM610) RADIATING RF1 TO BOTH COMM RADIOS ON 132.05 MHZ.
- [SDR 96ZZZX54](https://openairdocs.org/sdr/96ZZZX54.md): Extension System · malfunction · Nov 3, 1995 · Socata TB20TRINIDAD · Landing Gear Retraction/Extension System
  > PULLING LANDING GEAR MOTOR CIRCUIT BREAKER AND ENERGIZING GEAR EXTENSION WITH GEAR SELECTOR IN UP POSITION YIELDS 2 GREEN ON MLG AND NO NOSE GEAR LIGHT WITH RED UNSAFE LIGHT ON. SUBSEQUENTLY, MOVING SELECTOR TO DOWN POSITION DOES NOT HELP.
- [SDR 96ZZZX53](https://openairdocs.org/sdr/96ZZZX53.md): Autopilot · malfunction · Nov 2, 1995 · Socata TB20TRINIDAD · Autopilot System
  > GYRO LIGHT ILLUMINATED AND ZERO VACUUM INDICATED. WITHIN A MATTER OF SECONDS, AUTOPILOT COMMANDS FULL NOSE-UP TRIM AND FULL-UP ELEVATOR. AUTOPILOT STILL PASSES SELF-TEST. SUBMITTER STATED AUTOPILOT SHOULD HAVE A DISCONNECT IN RELATION TO GYROS LIGHT AND SHO
- [SDR 95ZZZX6021](https://openairdocs.org/sdr/95ZZZX6021.md): Rib · rivets loose · Oct 7, 1995 · N20KP · Socata TB20TRINIDAD · Vertical Stabilizer, Spar/Rib
  > RIVETS IN VERTICAL STABILIZER AT RIB TB 10.31.000.103 LOOSENED CAUSING TOP OF STABILIZER TO BE LOOSE.

## 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 = 'TB20TRINIDAD'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/socata-tb-20-trinidad/reports

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