# SDR AT0000475

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2000
- Submitted: November 22, 2000
- Operation: Air carrier
- Aircraft: [N866AT](https://openairdocs.org/aircraft/N866AT), registered now
- 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: 47168
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Frame
- Condition: Corroded
- 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/AT0000475

## Discrepancy

FOUND VERTICAL STABILIZER LEADING EDGE UPPER KNEE CUP HAS CORROSION.  REMOVED AND REPLACED VERTICAL STABILIZER LEADING EDGE HORSESHOE FORMER IAW DC9 SRM 51-10-02, 51-10-3, 51-10-4, 55-31-0 FIGURE 4.

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