# SDR USAA990432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N830US](https://openairdocs.org/aircraft/N830US), 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: 49443
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Airstair Doorway
- Part time: 35,358 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/USAA990432

## Discrepancy

PIT - DURING C-4 CHECK, FOUND 1 INCH LONG CRACK IN SKIN AT LOWER AFT CORNER OF FORWARD AIRSTAIR DOOR CUTOUT.  INSTALLED DOUBLER PER SRM 53-05 FIG 57A.  (M)

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