SDR ASOA201200016

Service difficulty report · Sill · Cndair CL6002B19

Difficulty date: December 19, 2011
Submitted: January 6, 2012
Operation: Air carrier
Aircraft: N844AS
Make and model: Cndair CL6002B19
Aircraft serial: 7317
Aircraft time: 29,668 hours, 26,254 cycles
System (JASC): 2520 · Passenger Compartment Equipment
Part: Sill
Condition: Corroded
Location: Bs 559
Stage of operation: IN
How discovered: V
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

PAX CABIN LEFT SILL HAS MINOR CORROSION ON NUTPLATE AT FS 559.0. REMOVED NUTPLATE IAW SRM 51-42-02. REMOVED CORROSION IAW SRM 51-21-06. PERFORMED UT THICKNESS INSPECTION OF BLEND AREA IAW MAC NDT PROCEDURE UT-3. MIN MATERIAL REMAINING IS .039" ORIGINAL .050" MATERIAL REMOVED IS .011". AREA EXCEEDS LIMITS IAW SRM 53-00-00. REPLACED STRAP WITH NEW STRAP IAW SRM 51-42-06. CLASSIFIED AS MAJOR.