# SDR DU4R2007050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2007
- Submitted: February 8, 2007
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: [N684DA](https://openairdocs.org/aircraft/N684DA), registered now
- Make and model: Boeing 757232
- Aircraft serial: 27104
- Aircraft time: 47,715 hours, 21,659 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Condition: Corroded
- 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/DU4R2007050

## Discrepancy

CORROSION ON BASE OF FRAME AT BS 1400, B/L 2L IN BILGE OF THE AFT CARGO PIT.  REMOVED CORRODED SHEAR TIES.  REMOVED CORROSION ON FRAME, WITHIN LIMITS IAW B757 SRM 51-10-02, 53-60-07, 53-00-07.  FABRICATED AND INSTALLED 2 NEW SHEAR TIES 4.0 BY 2.0 FROM 7075-T6 .050 IAW B757 SRM 51-40-05, 51-20-01 AND 51-30-01.

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