# SDR PAIR201605203338

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2016
- Submitted: May 20, 2016
- Operation: General aviation
- Aircraft: [N1880L](https://openairdocs.org/aircraft/N1880L), registered now
- Make and model: Beech V35B
- Registry model: [Beech V35B](https://openairdocs.org/model/beech-v35b) (OpenAirDocs)
- Aircraft serial: D9894
- Aircraft time: 766 hours
- Engine: Cont IO520BA
- Engine time: 766 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part serial: 562338
- Condition: Cracked
- Location: Engine
- Part time: 766 hours
- 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/PAIR201605203338

## Discrepancy

COMPLIED WITH AD 77-13-22 & FOUND A CRACK APPROX 1 INCH LONG IN THE CRANKCASE CRITICAL AREA EXTENDING DOWNWARD NEAR THE UPPER FWD STUD OF NR 1 CYLINDER.  ENG MANUFACTURED IN 1977 WITH TOTAL TIME OF 765.5 HOURS, 109.6 HOURS SINCE OVERHAUL IN 2006.

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