SDR SWIA2020030348924

Service difficulty report · Door Sill · Cndair CL6002B19

Difficulty date: January 10, 2020
Submitted: March 3, 2020
Operation: Air carrier
Aircraft: N440SW
Make and model: Cndair CL6002B19
Aircraft serial: 7589
Aircraft time: 39,922 hours, 35,322 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Condition: Corroded
Location: Fuselage
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

* THE RH CABIN FLOOR SILL HAS CORROSION IN MULTIPLE SPOTS BETWEEN APPROX. FS 295 AND APPROX. FS 319. (C-CHECK) RO 2/28/2020 REMOVED CORROSION ON R/H CABIN FLOOR SILL BETWEEN FS 295 TO FS 319, ORIGINAL PART THICKNESS = .063", MATERIAL REMOVED = .036", MATERIAL REMAING = .027", ALLOWABLE BLEND DEPTH = 10% OR .006", BLEND IS"OUT OF ALLOWABLE LIMITS", REMOVED AND REPLACED WITH NEW FLOOR SILL, REF CRJ 200 SRM, BOMBARDIER DWG. C/W RII CARD STRUCTURAL MAJOR REPAIR (**RII**)