# SDR SWIA2026072576673

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2026
- Submitted: July 28, 2026
- Operation: Air carrier
- Aircraft: [N973SW](https://openairdocs.org/aircraft/N973SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7949
- Aircraft time: 49,023 hours, 42,666 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Sensing Element
- Condition: Out Of Position
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2026072576673

## Discrepancy

ANTI-ICE DUCT MASTER WARNING MSG ENROUTE. FOLLOWED QRH.  (FLIGHT 4709) ON ARRIVAL PERFORMED OPS CHK OF WING ANTI-ICE REF AMM 30-12-00. OPS CHKD GOOD. COULD NOT DUPLICATE FAULT ON GRND. TROUBLESHOT ANTI-ICE DUCT WARNING MSG REF FIM 36-20-00, FOLLOWING SECTION WITH FUSELAGE SYNOPTIC SHOWN IN RED DUE TO HISTORY. FOLLOWING STEP C (7) INSPD FUSELAGE DUCTS FOR HOLES, CRACKS, OR LOOSE COUPLINGS, & JOINTS. NO DEFECTS. INSPD FUSELAGE SENSING ELEMENTS A38WK, A40WK, A42WK, A46WK & PARTIALLY INSPD A18WK FOR CORRECT DISTANCE FROM THE DUCTS, THE STRUCTURE & ANY METALLIC COMPONENTS. FOUND A38WK SENSING ELEMENT PRESSED INTO DUCT JUST FWD OF CARGO BULKHEAD NEXT TO CONNECTION POINT P52WK. ADJUSTED SPACING OF SENSING ELEMENT A38WK FROM DUCT. AFTER T/S, OPS CHK OF WING ANTI-ICE REF AMM 30-12-00. OPS CHKD GOOD.

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