# SDR ARWA990901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 1999
- Submitted: March 26, 2000
- 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): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 56454131
- Condition: Rupture
- Location: Nose Ww
- Stage of operation: DE
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA990901

## Discrepancy

SJU - FLT 501 - UNABLE TO CONTROL CABIN.  NOISE COMING FROM UNDERNEATH COCKPIT FLOOR.  EMERGENCY DESCENT PERFORMED.  LANDED WITHOUT INCIDENT.  REPLACED DISTRIBUTION DUCT.  LEAK CHECKED OK PER MM 21-50-0.  (M)

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