Service difficulty report · Stringer · Cndair CL6002D24

Difficulty date
July 31, 2025
Submitted
February 3, 2026
Operation
Air carrier
Aircraft
N821SK
Make and model
Cndair CL6002D24
Aircraft serial
15109
Aircraft time
38,465 hours, 24,998 cycles
Part
Stringer
Condition
Corroded
Location
Zone 100
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 ON STGR23L BETWEEN FS1069.75- FS1088.20 AS MARKED (C-CHECK RO 02/01/2026)REMOVED CORROSION ON STGR23L BETWEEN FS1069.75- FS1088.20 REF CRJ-900 SRM 51-21-06-001-001-A01NOMINAL THICKNESS IS: 0.100" REF. BOMBARDIER DWG MM670-35151 REV R MINIMUM REMAINING THICKNESS IS: 0.094" LOSS MATERIAL IS: 0.006".DAMAGE IS NOT ALLOWED IN THE STRINGER ATTACHED FLANGE THEREFORE IS OUT OF LIMITS REF. CRJ900 SRM 53-61-03-101-001-A02COMPLIED WITH REO 690-53-61-1655 REV -- DATED 2025-08-06SEE CONTINUE CARD FOR DETAILSPERFORMED PRESSURIZATION OF STGR23L BETWEEN FS1069.75- FS1088.20 REF CRJ900 AMM 21-31-00-910-801-A02.NO LEAKS NOTED AT THIS TIMECOMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.