# SDR AT9900711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N812AT](https://openairdocs.org/aircraft/N812AT), 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: 47359
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Step
- Condition: Corroded
- Location: Aft Air Stair
- 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/AT9900711

## Discrepancy

FOUND AFT AIRSTAIR, FOURTH STEP FROM THE BOTTOM, WEB ON INBOARD AND OUTBOARD SIDE OF STEP WAS CORRODED.  CUT OUT CORROSION, FABRICATED AND INSTALLED REPAIR FILLERS, DOUBLERS AND ATTACH ANGLE IAW DC9 SRM 52-01 FIGURE 1, 51-30-2, 51-20-4, 51-10-2.

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