# SDR IH971355002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N583MD
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49659
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Part number: 59364333
- Condition: Corroded
- Location: Bs 1210
- 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/IH971355002

## Discrepancy

UPON THE REMOVAL OF THE AFT CARGO LOWER THRESHOLD BEAM, SEVERE CORROSION WAS FOUND AT STATION 1210 LONGERON 28 RT ON INNER DOUBLER.  THE CORROSION WAS MECHANICALLY REMOVED LOCALLY, A 63RMS SURFACE FINISH MAINTAINED AND MFEC SHOWED NO CRACKS.  THE AREA WAS CORROSION PROTECTED PER DC9 SRM CHAPTER 51 AND TOP COATED WITH WHITE EPOXY PAINT.

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