# SDR USAA2011083100043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2011
- Submitted: September 1, 2011
- Operation: Air carrier
- Aircraft: N425US
- Make and model: Boeing 737401
- Aircraft serial: 23992
- Aircraft time: 60,222 hours, 40,296 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: 6546560
- 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/USAA2011083100043

## Discrepancy

Q5 CHECK - LEVEL 2 INTERGRANULAR CORROSION ON SHEAR TIE AT BS 947 BETWEEN S19L TO S20L, LBL 49.  REPLACED SHEAR TIE AT BS 947 BETWEEN S19L TO S20L, LBL49 IAW B737 SRM 51-20-01.

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