# SDR AU010054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2001
- Submitted: March 20, 2001
- Operation: General aviation
- Make and model: Lkheed C121C
- Engine: Wright R3350*
- Propeller: Hamstd 43E60
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Piston
- Part number: 630294W
- Condition: Broken
- Location: Mlg Strut
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU010054

## Discrepancy

(AUS) LANDING GEAR SELECTOR VALVE PISTONS (2OFF4) BROKEN ACROSS SHANK IN AN O-RING SEAL GROOVE. BROKEN PISTON JAMMED IN PORT.

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