# SDR AT9900737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 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): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor
- Condition: Cracked
- Location: Bs 579-690
- 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/AT9900737

## Discrepancy

DURING A SCHEDULED INSPECTION AT TIMCO IN LAKE CITY FL,FOUND FLOORBOARD #71 TO HAVE CRACKED HAT CHANNEL AND CORRODED SKIN BEYOND LIMITS.                CORRECTIVE ACTION:                     REMOVED AND FABRICATED FLOORBOARD #71 SKIN AND HAT CHANNEL IAW DC9 SRM 51-30-02, 53-01 FIG 1, 53-20-0, 51-10-03, AND 51-10-04.

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