# SDR 99ZZZX1378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N99CA
- Make and model: Beech B-99
- Registry model: [Beech B-99](https://openairdocs.org/model/beech-b-99) (OpenAirDocs)
- Aircraft serial: US127
- System (JASC): [5533 · Ventral Structure](https://openairdocs.org/jasc/5533)
- Part: Rib
- Part number: 1156400001
- Condition: Cracked
- Location: Vertical Stab
- Part time: 33,008 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/99ZZZX1378

## Discrepancy

THE RUDDER HINGE BRACKETS ON THE RUDDER BECAME LOOSE WHICH APPARENTLY CAUSED A CRACK TO DEVELOP IN THE AFT/LEFT CORNER OF THE END (TOP) RIB OF THE VERTICAL STABILIZER.  ALSO, WAS LOSING SOME OF THE RIVETS IN THE VERTICAL STABILIZER SPAR AT THE TOP HINGE ATTACH FITTING.

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