# SDR SWAA2015113046480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2015
- Submitted: November 30, 2015
- Operation: Air carrier
- Aircraft: [N461WN](https://openairdocs.org/aircraft/N461WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32465
- Aircraft time: 41,305 hours, 24,087 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Control Valve
- Part number: 32895625
- Part serial: 2199C
- Condition: Faulty
- Location: Bleed Air Sys
- 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/SWAA2015113046480

## Discrepancy

AIR RETURN, NR 1 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB & WOULD NOT RESET.  R & R NR 1 ENG PRE-COOLER CONTROL VLV IAW MM.

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