# SDR 2010FA0001268

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2010
- Submitted: December 30, 2010
- Operation: General aviation
- Aircraft: [N457DF](https://openairdocs.org/aircraft/N457DF), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH1354
- Engine: Cont IO520*
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Rib
- Condition: Cracked
- Location: Rt Wing Te Flap
- Part time: 4,532 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/2010FA0001268

## Discrepancy

(CFOR) WHILE COMPLYING WITH MFG SAFETY COMMUNIQUE NR313 TITLED "FLAP ACTUATOR ATTACHMENT BRACKET AND NOSE RIB ASSEMBLY", DISCOVERED A CRACK ON RIB (PN35-165050-84) ORIGINATING FROM THE LIGHTENING HOLE.  AFTER REMOVING THE RT FLAP FROM THE WING AND REMOVING THE ACTUATOR ATTACH BRACKET FROM THE FLAP, ANOTHER CRACK WAS FOUND IN THE SKIN (PN 95-160000-82 UNDER THE BRACKET.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.