# SDR CA971010004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Doubler
- Part number: 651105014
- Condition: Damaged
- Location: Bs 345
- Part time: 2,234 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA971010004

## Discrepancy

(CAN) DURING MANUFACTURING AND INSTALLATION OF THE DORSAL FIN, A RIVET AT THE REAR PRESSURE BULKHEAD (STN 345.0) WAS DRILLED THROUGH THE SKIN, DOUBLER AND FLANGE ANGLE ADJACENT TO A BULKHEAD ATTACHMENT RIVET.  AIRCRAFT TT:  2,277 HOURS.

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