SDR ASOA201102215

Service difficulty report · Sill · Cndair CL6002B19

Difficulty date: November 18, 2011
Submitted: November 22, 2011
Operation: Air carrier
Aircraft: N879AS
Make and model: Cndair CL6002B19
Aircraft serial: 7600
Aircraft time: 22,987 hours, 20,593 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
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

CARGO COMPARTMENT LT FLOOR SILL UPPER SURFACE BEWTEEN SURFACE BETWEEN FS 559.00 AND FS 559.00+112 AROUND FASTENER HOLES HAS CORROSION. REMOVED CORROSION IAW SRM 51-21-06. PEFORMED UT THICKNESS OF BLEND AREA IAW MAC NDT INSPECTION PROCEDURE UT-3. MIN MATERIAL REMAINING IS .059" ORIGINAL IS .063" MATERIAL REMOVED IS .004". BLEND AREA WITHIN ALLOWABLE LIMITS IAW SRM 53-00-00 FIG 102, SHEET 2. RESTORED FINISH IAW SRM 51-25-06, 51-26-16, 51-21-11.