# SDR USAA010189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2001
- Submitted: March 22, 2001
- Operation: Air carrier
- Aircraft: N506AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23381
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- Part time: 46,088 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA010189

## Discrepancy

CLT - FOUND FUSELAGE SKIN CRACKED 1 INCH, AFT END OF E/E COOLING DUCT OUTLET.  INSTALLED EXTERNAL DOUBLER PER TR 53-30-07.  (M)

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