# SDR F47A2012F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2011
- Submitted: January 20, 2012
- Operation: Air carrier
- Aircraft: N421RX
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0264
- Engine: Cont GTSIO520L
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: 65693512
- Condition: Cracked
- Location: Rt Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F47A2012F00000

## Discrepancy

UPON INSPECTION OF RT ENGINE, VERIFIED CRACKED RT SIDE CASE, FROM NR 5 TOP CYLINDER, AREA THRU DATA PLATE IE RAM STC SE8338SW-D-SMOX 165.2 HRS.

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