# SDR USAA970309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N801US](https://openairdocs.org/aircraft/N801US), registered now
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48037
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corrosion
- Location: Bs 237-258
- Part time: 45,226 hours
- 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/USAA970309

## Discrepancy

PIT - DURING RON, FOUND CORRODED AREA 4 INCH BY 5 INCH AT TCAS ANTENNA, FUSELAGE SKIN BETWEEN STATION 237 AND STATION 258 LONGERON 29RT TO 29 LT.  INSTALLED EXTERNAL DOUBLER AND REPLACED TCAS DOUBLER PER SRM 53-04 FIG 51 CLASS 2 REPAIR.  (M)

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