# Service difficulty reports: Socata TB21

A list on [Socata TB21](https://openairdocs.org/model/socata-tb21.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2013FA0000110](https://openairdocs.org/sdr/2013FA0000110.md): Battery · failed · Aug 16, 2012 · N20GF · Socata TB21 · Battery/Charger System
  > SEALED BATTERY DOES NOT HOLD A CHARGE. CONFIRMED BATTERY FAILED CAPACITANCE TEST AT LESS THAN 10 PERCENT. SENT BATTERY TO MFG FOR EVALUATION, WAS TOLD THAT THE BATERY WAS FOUND TO BE DRY AT DISTRIBUTION.
- [SDR LC1R2012020292GT](https://openairdocs.org/sdr/LC1R2012020292GT.md): Clamp · worn · Feb 2, 2012 · N92GT · Socata TB21 · Magneto/Distributor
  > DURING AN ANNUAL INSP, THE DUAL MAGNETO WAS REMOVED TO FACILITATE REPLACEMENT OF A LEAKY MOUNTING GASKET. WHEN REMOVED IT WAS NOTICED THAT THE UPPER MOUNTING CLAMP, HAD WORN INTO THE UPPER MAG BASE FLANGE BY GREATER THAN.020". THE NUT SECURING THE MOUNTING
- [SDR 2008FA0000906](https://openairdocs.org/sdr/2008FA0000906.md): Seal · failed · Nov 22, 2008 · N2802W · Socata TB21 · Exhaust Turbocharger
  > PILOT REPORTED THAT ENGINE LOST OIL PRESSURE AT AN ALTITUDE OF 8000 FT ABOUT 14 MILES WEST OF MUNICIPAL AIRPORT. HE WAS ABLE TO MAKE AIRPORT AND SHUTDOWN THE ENGINE AFTER COMING TO A STOP ON THE RUNWAY. REPORTED THAT WHEN THE ACFT LEFT, THE OIL WAS CHECKED A
- [SDR 2007FA0000267](https://openairdocs.org/sdr/2007FA0000267.md): Bearing · failed · Feb 28, 2007 · N189GT · Socata TB21 · Exhaust Turbocharger
  > IN FLIGHT, DROP IN MANIFOLD PRESSURE, TROUBLESHOT, FOUND TURBOCHARGER BEARING FAILURE. FOUND METAL IN OIL FILTER. ENGINE REMOVED FOR REPAIR. (K)
- [SDR 2006FA0000749](https://openairdocs.org/sdr/2006FA0000749.md): Spring · broken · Jul 20, 2006 · N2802W · Socata TB21 · Reciprocating Engine Cylinder Section
  > THE PUSH ROD HOUSING TUBE RETAINING SPRINGS WERE BROKEN AT THE BEND JUST OB OF THE MOUNT HOLE. THE UNBROKEN SPRINGS HAD A TOOL LINE AT THE POINT OF THE BEND. THERE WERE 2 BROKEN SPRINGS, LOCATED ON NR 3 AND NR 4 CYLINDERS. ONE SPRING HAD ONE SIDE BROKEN OFF
- [SDR 2003FA0000381](https://openairdocs.org/sdr/2003FA0000381.md): Lever · fretted · Apr 1, 2003 · N291GT · Socata TB21 · Reciprocating Engine Cylinder Section
  > CUSTOMER COMPLAINED OF EXCESSIVE VIBRATION. ATTEMPTS TO BALANCE THE PROP WERE UNSUCCESSFUL. INSPECTION REVEALED THAT THE EXHAUST SUPPORT (LEVER ASSY) SUPPORT BUSHINGS WERE WORN ALLOWING THE METAL PORTION TO CONTACT THE MOUNT TRANSMITTING THE ENGINE VIBRATION
- [SDR 20000817SH015](https://openairdocs.org/sdr/20000817SH015.md): Link · broken · Aug 8, 2000 · N678TB · Socata TB21 · Exhaust Turbine System (Reciprocating)
  > DURING 25-HOUR INSPECTION, FOUND BROKEN LINK. (X)
- [SDR 20000817SH014](https://openairdocs.org/sdr/20000817SH014.md): Link · broken · Aug 8, 2000 · N678TB · Socata TB21 · Exhaust Turbine System (Reciprocating)
  > LINK FOUND BROKEN; ANOTHER LINK FOUND BROKEN ON ANOTHER AIRCRAFT. (X)
- [SDR 20000811SH014](https://openairdocs.org/sdr/20000811SH014.md): Tank · cracked · Jul 31, 2000 · N159DM · Socata TB21 · Exhaust Turbine System (Reciprocating)
  > FOUND WELD AT TURBO BEND OF OIL DRAIN TANK CRACKED. UPON REMOVAL, TUBE CAME OUT OF TANK. LOOKING AT WELD, IT APPEARED TO BE A BAD WELD. SUBMITTER STATED THAT HAD THIS GONE UNDETECTED, IT COULD HAVE BEEN A DISASTER. (X)
- [SDR 20000719SH016](https://openairdocs.org/sdr/20000719SH016.md): Pressure Switch · failed · Jul 5, 2000 · N30582 · Socata TB21 · Landing Gear Retraction/Extension System
  > PILOTS REPORTED LANDING GEAR WOULD NOT RETRACT, CHECKED FUSES, ALL OK. BYPASSED PRESSURE SWITCH. GEAR RETRACTED, INSTALLED NEW PRESSURE SWITCH, PN TB206138001, SYSTEM CHECKED OK. NOTE: SEVERAL PRESSURE SWITCHES HAVE BEEN REPLACED. PART TT 128.1 HOURS, SWIT
- [SDR 20000330SH005](https://openairdocs.org/sdr/20000330SH005.md): Switch · failed · Mar 8, 2000 · N30582 · Socata TB21 · DC Power Distribution System
  > INTERNAL ELECTRICAL FAILURE OF PRESSURE SWITCH AT 44.8 HOURS. THIS IS THE 7TH SWITCH INSTALLED IN THIS AIRCRAFT. SWITCH FAILURE IS A MIXTURE OF ELECTRICAL AND MECHANICAL (LEAKAGE).
- [SDR 20000622SH009](https://openairdocs.org/sdr/20000622SH009.md): Hose · restricted · Oct 6, 1999 · N20LV · Socata TB21 · Landing Gear Brake System
  > FOUND COPILOT BRAKE FLEX HOSES RESTRICTED DUE TO INTERNAL SWELLING OF THE RUBBER. UNKNOWN IF IMPROPER FLUID EVER USED. BRAKE WOULD LOCK UP WHEN RIGHT BRAKE APPLIED. NEW HOSES INSTALLED, SYSTEM BLED. OPS NORMAL. (X)
- [SDR 98ZZZX3171](https://openairdocs.org/sdr/98ZZZX3171.md): Bearing · frozen · Jun 24, 1998 · N3051H · Socata TB21 · Rudder Structure
  > WHILE REMOVING THE RUDDER FOR PAINT, FOUND UPPER RUDDER BEARING FROZEN/CORRODED. THE BEARING SUPPORT HAD TO BE REMOVED TO REMOVE RUDDER. CAUSE WAS LACK OF LUBRICATION/POOR INSPECTION. LUBRICATE PER MM.
- [SDR 97ZZZX1194](https://openairdocs.org/sdr/97ZZZX1194.md): Line · failed · Mar 4, 1997 · N20NB · Socata TB21 · Reciprocating Engine Oil System
  > INFLIGHT FAILURE OF THE TURBOCHARGER OIL RETURN LINE BETWEEN THE TURBOCHARGER HOUSING AND A SMALL RESERVOIR CAN LOCATED UNDER THE ENGINE. THE AIRCRAFT LOST 9 QUARTS OF OIL INFLIGHT AND WAS LANDED WITHOUT INCIDENT. THE OIL RETURN LINE WAS FOUND WITH A CRACK R
- [SDR 95ZZZX6424](https://openairdocs.org/sdr/95ZZZX6424.md): Seat Belt Assy · corroded · Oct 25, 1995 · N20DV · Socata TB21 · Passenger Compartment Equipment
  > WHILE PERFORMING MANDATORY SB 10-044, AMDT 1, DATED SEPT 1993 (DUE AT EACH ANNUAL INSPECTION), IT WAS NOTED THE LEFT AND RIGHT INERTIA REEL-TYPE FRONT SEAT BELTS HAVE SEVERE EXFOLIATION CORROSION ON THE EYE END THAT ATTACHES TO THE FORWARD OUTBOARD FUSELAGE ST
- [SDR 95ZZZX6423](https://openairdocs.org/sdr/95ZZZX6423.md): Seat Belt Assy · corroded · Oct 25, 1995 · N20DV · Socata TB21 · Passenger Compartment Equipment
  > WHILE PERFORMING MANDATORY SB 10-044, AMDT 1, DATED SEPT 1993 (DUE AT EACH ANNUAL INSPECTION), IT WAS NOTED THE LEFT AND RIGHT INERTIA REEL-TYPE FRONT SEAT BELTS HAVE SEVERE EXFOLIATION CORROSION ON THE EYE END THAT ATTACHES TO THE FORWARD OUTBOARD FUSELAGE ST
- [SDR CA951218201](https://openairdocs.org/sdr/CA951218201.md): Relay · shorted closed · Oct 12, 1995 · Socata TB21 · Landing Gear Actuator
  > (CAN)PILOT WAS ATTEMPTING AN APPROACH WHEN THE CIRCUIT BREAKER FOR THE LANDING GEAR KEPT POPPING OUT AFTER BEING RESET SEVERAL TIMES MANUAL GEAR EXTENSION WAS PERFORMED BUT GEAR DOWN AND LOCKED LIGHTS WOU LD NOT ILLUMINATE. AFTER SEVERAL ATTEMPTS TO LOCK GEAR

## 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 = 'TB21'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/socata-tb21/reports

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