SDR SWIA202162264

Service difficulty report · None · Cndair CL600*

Difficulty date: September 27, 2021
Submitted: November 5, 2021
Operation: Air carrier
Aircraft: N825SK
Make and model: Cndair CL600*
Aircraft serial: 15212
Aircraft time: 31,789 hours, 20,641 cycles
System (JASC): 5323 · Fuselage Internal Stairs
Part: None
Condition: Corroded
Stage of operation: IN
How discovered: O
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

AFTER REMOVED SERVICE DOOR LOWER SILL BETWEEN FS319 AND FS349 IS FOUND CORROSION 80% SURFACE ON LOWER FLOOR SUPPORT TOP ANGLE (C-CHECK RO 11/04/2021) REMOVED AND REPLACED FLOOR SUPPORT ANGLE AT SERVICE DOOR LWR SILL PER CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-45-00-001-001-A01 & DWG SH670-31950 REV Y. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY AND FORM M-337. SEE CONTINUE CARD FOR DETAILS.