# SDR USAA991460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 1999
- Submitted: April 13, 2000
- Operation: Air carrier
- Aircraft: N430US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24552
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 601
- Part time: 28,666 hours
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA991460

## Discrepancy

PIT - DURING Q-1 CHECK, FOUND 3 INCH CRACK IN STATION 601 FRAME STRINGER 17.  CUT OUT DAMAGE, INSTALLED FILLERS AND REPAIR DOUBLERS PER EA 53506.  (M)

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