# SDR SWAA2016112109888

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2016
- Submitted: November 21, 2016
- Operation: Air carrier
- Aircraft: [N902WN](https://openairdocs.org/aircraft/N902WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36615
- Aircraft time: 31,454 hours, 18,265 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Line
- Part number: 16135
- Condition: Leaking
- Location: #2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016112109888

## Discrepancy

CABIN PRESSURE CONTROL WARNING HORN SOUNDED. EMERGENCY DECLARED AND RETURNED TO DEPARTURE.  R & R NR 2 ENGINE PNEUMATIC BLEED DISTRIBUTION SENSE LINE IAW MM.

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