# SDR AT9900777

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N803AT](https://openairdocs.org/aircraft/N803AT), 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: 47261
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin&Longeron
- Part number: 591141899N
- Condition: Corroded
- Location: Bs 658-756
- 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/AT9900777

## Discrepancy

LOWER KEEL BEAM SKIN AT BS 658-756 HAS A BULDGING AREA OF CORROSION THAT HAS PUSHED OUT AND CRACKED THE SKIN.  REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS.  REPLACED SKIN AT BS 658-756 AND LONGERON AT 29L AND 29R IAW DC9 SRM 53-04 FIGURE 42, 52-05 FIGURE 48, 51-30-1, 51-30-2.

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