# SDR SWIA2026012875100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2026
- Submitted: January 29, 2026
- Operation: Air carrier
- Aircraft: [N702SK](https://openairdocs.org/aircraft/N702SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10136
- Aircraft time: 54,600 hours, 36,580 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Insulation
- Part number: GG670950613
- Condition: Damaged
- Location: Zone 100
- 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/SWIA2026012875100

## Discrepancy

BLEED DUCT WARNING AND ASSOCIATED LT BLEED DUCT CAUTION MESSAGE DURING CLIMB THROUGH FL300. RAN QRH & MESSAGE CLEARED.  (FLIGHT 6281) SEE ML 1808395 FOR PREVIOUS TROUBLESHOOTING.PERFORMED AN OPS TEST OF THE AIR-CONDITIONING DISTRIBUTION SYSTEM IAW AMM 21-51-00 & CONFIRMED LEAK COMING FROM LT HOT AIR SHUT-OFF VALVE. FOUND INSULATION MUFF TO BE DAMAGED & FOUND UPPER & LOWER COUPLINGS LOOSE. TORQUED UPPER & LOWER COUPLINGS TO SPECS AND R & R INSULATION MUFF IAW AMM 21-61-08. LEAK TEST & OPS TESTED GOOD.  NO LT BLEED DUCT WARNING & ASSOCIATED LT BLEED DUCT CAUTION MESSAGE DURING OPS CHECKED. ACFT OK FOR CONTINUED SERVICE.

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