SDR SWIA2025073175150

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
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
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 STGR24L BETWEEN FS985.00 - FS1000.00 AS MARKED (C-CHECK RO 02/01/2026)REMOVED CORROSION ON STGR24L BETWEEN FS985 - FS1000. MATERIAL LOSS OF 0.005" IS WITHIN LIMITS OF REO 690-53-61-1656 REV -- DATED 2025-08-07. RESTORED FINISH. SEE CONTINUATION CARD FOR DETAILS.PERFORMED PRESSURIZATION OF STGR24L BETWEEN FS985.00 - FS1000.00 REF CRJ900 AMM 21-31-00-910-801-A02.NO LEAKS NOTED AT THIS TIMECOMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.