# SDR ARWA20030703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2003
- Submitted: July 24, 2003
- Operation: Air carrier
- Aircraft: [N345JW](https://openairdocs.org/aircraft/N345JW), registered now
- Make and model: Doug DC-8-63
- Registry model: [Doug DC-8-63](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63) (OpenAirDocs)
- Aircraft serial: 46042
- System (JASC): [2134 · Cabin Pressure Sensor](https://openairdocs.org/jasc/2134)
- Part: Line
- Condition: Broken
- Location: Cabin Pressure
- 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/ARWA20030703

## Discrepancy

ON CLIMB OUT HEARD LOUD NOISE AND CABIN CLIMBED, UNABLE TO MAINTAIN CABIN PRESSURE.  ENTERED ON DMI NR 17926 IAW MEL 21-65 CAT "C" PLACARD INSTALLED.   FOUND VENTURI SENSING LINE BROKEN.  REMOVED AND REPLACED SENSING LINE IAW STC  ST466CH; PERFORMED OPERATIONAL CHECK ON GROUND FOUND NORMAL IAW STC  ST466CH.  CLEARED DMI  17926.

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