# SDR USAA2012031900009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2012
- Submitted: March 20, 2012
- Operation: Air carrier
- Aircraft: N454UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24996
- Aircraft time: 57,058 hours, 37,416 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 654653968
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012031900009

## Discrepancy

CDFI VISIT - 1/8 INCH LONG CRACK ON INTERNAL HOLES OF INNER CHORD & WEB AT BS 616, S16R & BETWEEN RBBL 60.00 TO RBBL 70.00.  PARTIAL FRAME REPLACEMENT ACCOMPLISHED IAW EA 202000 & TYPICAL REPAIR T/R 737-5362-10-0098A.

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