# SDR ZW0A0111501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2001
- Submitted: November 30, 2001
- Operation: Air carrier
- Aircraft: [N948TW](https://openairdocs.org/aircraft/N948TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49575
- Aircraft time: 37,762 hours, 21,223 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 5910090653
- Location: Lh Pack
- Stage of operation: CL
- How discovered: V
- Nature of condition: B
- Precautionary procedure: A, H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZW0A0111501

## Discrepancy

AFTER TAKEOFF SMOKE APPEARED IN THE COCKPIT. CREW SHUT OFF THE LH PACK AND RETURNED TO STL.  FOUND Y DUCT WITH HOLE WORN IN IT.  WELDED THE DUCT.  CHECK-C 3-1-01 JFK.  --CLOSED--

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