# SDR 98ZZZX4772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N303DT
- Make and model: Cessna T303
- Registry model: [Cessna T303](https://openairdocs.org/model/cessna-t303) (OpenAirDocs)
- Aircraft serial: T30300067
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 25221404
- Condition: Cracked
- Location: Wing
- Part time: 4,410 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4772

## Discrepancy

DURING AN ANNUAL INSPECTION, THE TRAILING EDGE RIBS, P/N 2522140-3, AND 2522140-4 WERE FOUND CRACKED.  THE CRACKS WERE LOCATED IN THE WEB TO FLANGE RADIUS EMANATING FROM THE CUT-OUT FOR THE STRINGER PROGRESSING APPROXIMATELY .50 INCH ALONG THE RADIUS.  SUBMITTER STATED CAUSE AS FATIGUE.

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