SDR SWIA2020013147997

Service difficulty report · Shear Tie · Cndair CL6002B19

Difficulty date: December 23, 2019
Submitted: January 31, 2020
Operation: Air carrier
Aircraft: N439SW
Make and model: Cndair CL6002B19
Aircraft serial: 7578
Aircraft time: 39,717 hours, 34,802 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Condition: Corroded
Location: Bs 394
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

*FS 394 FRAME LOWER FLANGE ON FWD SIDE HAS CORROSION BETWEEN STR 25R-25L (C-CHECK) RO 1/28/2020 REMOVED CORROSION ON FRAME FS394 LOWER FWD FLANGE BETWEEN STGR25R TO STGR25L REF CRJ200 SRM. FOUND TO BE OUT OF LIMITS REF CRJ 200 SRM. MEASURED THICKNESS .039. ORIGINAL THICKNESS .080. MATERAL LOSS .014 MAX ALLOWED .008. REMOVED CORRODED ANGLE. REF: CRJ-200 SRM. - INSTALLED THE NEW ANGLE 601R32011-45 TO THE FS 394 LOWER FRAME REF DRAWING AND CRJ 200 SRM. ALL CHECKS GOOD