# SDR DALA2023013000746

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2023
- Submitted: February 6, 2023
- Operation: Air carrier
- Aircraft: [N586NW](https://openairdocs.org/aircraft/N586NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32987
- Aircraft time: 68,711 hours, 22,691 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Leaking
- 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/DALA2023013000746

## Discrepancy

ATB- DUE TO RIGHT DUCT LEAK INDICATION AND ICING CONDITIONS ALONG FLIGHT PATH. CORRECTIVE ACTION: FOUND DUCT CRACK IN RIGHT PACK BAY. LEAK ISOLATED AND RT PACK DEFERRED PER MEL 21-51-01. (1/5 MSP) REMOVED AND REINSTALLED DUCTS AND LOW LIMIT VLV. LK CK AND OPS CK GOOD.  ORIG SUBMISSION DATE:  1/30/2023

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