# SDR AT9900733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N831AT](https://openairdocs.org/aircraft/N831AT), 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: 47674
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Sub-Floor
- Condition: Corroded
- Location: Bs 160-200
- 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/AT9900733

## Discrepancy

DURING A SCHEDULED INSPECTION AT TIMCO IN LAKE CITY FL, CORROSION WAS FOUND IN THE SUB FLOOR AT 160-200.  FABRICATED AND INSTALLED REPAIR DOUBLER IAW DC9 SRM 51-30-02, 51-30-08, AND 53-01 FIG 2.

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