# SDR USAA991126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N778AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24980
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 500
- Part time: 25,020 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/USAA991126

## Discrepancy

CLT - DURING A RON CHECK VISUAL INSPECTION VERIFIED BY EDDY CURRENT, FOUND A 2 INCH CRACK AT BS 500, RBL 1, BETWEEN STR 28L AND STR 28R FRAME.  INSTALLED FABRICATED REPAIR PER EA 65887.  (X)

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