# SDR USAA360402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N427US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24549
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Worn
- Location: Bs 887
- Part time: 19,391 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/USAA360402

## Discrepancy

INT - DURING 'Q-3' CHECK VISUAL INSPECTION, FOUND .50 INCH BY 4 INCH BY 0.016 INCH MAXIMUM WORN AREAS, 2 EACH, BS 887; TOP OF FUSELAGE SKIN UNDER DORSAL FIN.  BLENDED WORN AREAS, CHECKED FOR CRACKS AND SKIN THICKNESS, FABRICATED AND INSTALLED REPAIR DOUBLER PER T/R 53-30-03 AND SRM 53-00-01, FIGURE 202.  (X)

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