# SDR AALA960562

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N409AA](https://openairdocs.org/aircraft/N409AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49320
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp
- Condition: Corroded
- Location: Bs 1240-1243
- 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/AALA960562

## Discrepancy

TUL - FOUND CORROSION ON BOTTOM SIDE OF CUSP, LEFT SIDE OF AIRCRAFT OVER BUTTERFLY OUTFLOW VALVE.  INSTALLED CUSP DOUBLER PER SRM 53-01, FIG 2 SHEET 2 AND 3.  (M)

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