SDR TRAX200600771

Service difficulty report · Shear Tie · Aerosp ATR72

Difficulty date: September 21, 2006
Submitted: October 3, 2006
Operation: Air carrier
Aircraft: N634AS
Make and model: Aerosp ATR72
Aircraft serial: 370
Aircraft time: 28,851 hours, 32,478 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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)