# SDR SWIA2026032475520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N633SK](https://openairdocs.org/aircraft/N633SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10331
- Aircraft time: 28,951 hours, 23,193 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Clamp
- Condition: Loose
- Location: Bleed
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2026032475520

## Discrepancy

LEFT BLEED DUCT CAUTION MESSAGE APPEARED SHORTLY AFTER TAKEOFF. QRH PERFORMED & CONTACTED DISPATCHER & MX CONTROL WANTED US TO COME BACK. REST OF FLT FINISHED SAFELY.   (FLIGHT 5010)  ON ARRIVAL TO ACFT, INTERROGATED MDC FOUND BLEED DUCT FAULT MSG, CONDUCTED BLEED AIR LEAK DETECTION TEST & DETECTED A LT BLEED LOOP LEAK AT MT 141. PERFORMED VISUAL INSPECTION & LEAK CHKD OF LT BLEED LOOP & FOUND LT HOT AIR SHUT OFF VALVE INSULATION MUFF PARTIALLY OFF DUE TO AIR LEAKING & THE LOWER CLAMP LOOSE CAUSING A SIGNIFICANT BLEED AIR LOOP. R & R LT BLEED LOOP HOT AIR SHUT OFF VALVE IAW AMM 21-61-08.  PERFORMED BLEED AIR LEAK CHECK OF LT BLEED LOOP HOT AIR SHUT OFF VALVE IAW AMM OF 21-53-00, NO LEAKS. ACFT GOOD RTS. ODI.

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