SDR SWI2026F00042

Service difficulty report · Floor Support · Cndair CL6002B19

Difficulty date: October 12, 2025
Submitted: January 5, 2026
Operation: Air carrier
Aircraft: N454SW
Make and model: Cndair CL6002B19
Aircraft serial: 7749
Aircraft time: 41,862 hours, 37,618 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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

AFT CARGO FLOOR SUPPORT, RBL 9, BETWEEN BS 559+64 AND BS.559+80 HAS SPOTS OF CORROSION. BLENDED REPORTED CORROSION ON THE FLOOR SUPPORT INNER CAP FLANGE BETWEEN BS 559+64 AND BS 559+80 IAW SRM 51-21-06. BLENDED AREA WAS FOUND OUT OF LIMITED IAW SRM 53-31-43 AND SRM 53-00-00 FIG 10, ACCOMPLISHED A FLOOR SUPPORT INNER CAP FLANGE REPAIR IAW SRM 53-00-43, REPAIR 01, FIG 203, SHEET 2, SRM 51-42-13, & SRM 51-42-06, REV 39. SKYWEST TASK CARD 51-900-1003-SKY.