# SDR CALA9700225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N12532
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 45791
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Condition: Cracked
- Location: Vert Stable
- 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/CALA9700225

## Discrepancy

INSPECTION FOUND A .25 INCH CRACK IN TOP RIB AND A .25 INCH CRACK IN 7TH RIB FROM BOTTOM OF VERTICAL STABILIZER LEADING EDGE.  BOTH CRACKS WERE STOP DRILLED AND REPAIR DOUBLERS WERE INSTALLED AT EACH LOCATION IAW SRM 55-01, FIGURE 2.

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