# SDR GUUA95755032411B

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2011
- Submitted: April 1, 2011
- Operation: Air carrier
- Aircraft: N87557
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE246
- Aircraft time: 28,679 hours, 33,758 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Condition: Cracked
- Location: Vertical Stab
- 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/GUUA95755032411B

## Discrepancy

DURING SCHEDULED ROUTINE INSPECTION DISCOVERED VERTICAL CANTED STABILIZER RIB CRACKS AT RIGHT NR 4 STRINGER AT STATION 89.184.  STOP DIRILLED CRACK AT RIGHT VERTICAL STABILIZER RIB NR 4 STRINGER AND INSTALLED REPAIR DOUBLERS.

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