# SDR TRAX200600771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2006
- Submitted: October 3, 2006
- Operation: Air carrier
- Aircraft: [N634AS](https://openairdocs.org/aircraft/N634AS), registered now
- Make and model: Aerosp ATR72
- Aircraft serial: 370
- Aircraft time: 28,851 hours, 32,478 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRAX200600771

## Discrepancy

FR 46 IN AFT AVIONIC COMPARTMENT CORRODED AT MANY PLACES.  CORROSION REMOVED ON SHEAR TIE IAW SRM 51-21-42.  RIVETS RE-INSTALLED IAW SRM 51-25-01.  SHEER TIE REPLACED (FR46) IAW SRM 51-25-01 (SHEAR TIE) MATERIAL THICKNESS 0.063, MATERIAL REMOVED 0.020 OUT OF LIMITS AS PER SRM 53-81-00.  REPAIR DETERMINED NOT TO BE A MAJOR REPAIR IAW SP663 AND FAR43 APPENDIX A REPAIR ACCOMPLISHED IAW SRM 51-25-01.  (SUPPLEMENTAL-SDR CLOSED 10/3/06)

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