# SDR 20000719SH016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2000
- Submitted: July 19, 2000
- Operation: General aviation
- Aircraft: N30582
- Make and model: Socata TB21
- Registry model: [Socata TB21](https://openairdocs.org/model/socata-tb21) (OpenAirDocs)
- Aircraft serial: 1618
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Pressure Switch
- Part number: TB2061238001
- Condition: Failed
- Location: Hydraulic System
- Part time: 128 hours
- Component: Pressure Switch, LANDINGGEAR
- Component part number: 211C24328
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000719SH016

## Discrepancy

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, SWITCH WAS INSTALLED 3-16-00. (X)

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