SDR ASOA2015091613803

Service difficulty report · Floor Support · Cndair CL6002B19

Difficulty date: September 16, 2015
Submitted: September 24, 2015
Operation: Air carrier
Aircraft: N879AS
Make and model: Cndair CL6002B19
Aircraft serial: 7600
Aircraft time: 31,253 hours, 28,828 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 574-621
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

CORROSION FOUND AT FS 574-621, LBL 40 FLOOR SUPPORT HAS SURFACE CORROSION AROUND SCREW HOLES. REMOVED CORROSION FROM NUTPLATE HOLES BETWEEN FS 574-621, LT FLOOR SILL IAW SRM 51-21-06. UPON FURTHER EVALUATION SILL AT FS 574-621 + LBL 40 IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-00. COMPLIED WITH EC/TC REO 601R-53-00-526 & GREO 601R-53-00-526, REV.