# SDR 98ZZZX2271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N10UV
- Make and model: Diamon DA20-A1
- Registry model: [Diamon DA20-A1](https://openairdocs.org/model/diamond-aircraft-ind-da20-a1) (OpenAirDocs)
- Aircraft serial: 10037
- Engine: Rotax ROTAX912
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Connecting Rod
- Condition: Seized
- Location: Nr 2
- Part time: 2,325 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: W
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX2271

## Discrepancy

ENGINE SEIZED IN-FLIGHT.  FOUND THAT THE NR 2 ROD SEIZED AND BROKE AT THE CRANK JOURNAL AND THE PISTON BROKE AT THE PIN HOLE, ALSO, PISTON SEIZED IN CYLINDER.  FOUND TWO PIECES OF PUSHROD O-RINGS IN OIL SCAVENGE LINE FITTING AT BOTTOM OF CASE.  DURING MAINTENANCE, O-RINGS WERE NOT REMOVED FROM LIFTER BORE WHEN NEW ONES WERE INSTALLED FORCING OLD O-RINGS INTO ENGINE CASE.

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