# SDR USAA2013070300017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2013
- Submitted: July 3, 2013
- Operation: Air carrier
- Aircraft: N444US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24862
- Aircraft time: 60,268 hours, 41,089 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Condition: Corroded
- Location: Fuselage
- 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/USAA2013070300017

## Discrepancy

Q4 CHECK - LEVEL 2 INTERGRANULAR CORROSION ON FRAME SHEAR TIE AT BS807 BETWEEN S26L & S27L. REPLACED FRAME SHEAR TIE AT BS807 BETWEEN S26L & S27L IAW SRM 53-00-07-2R-4.

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