# SDR CALA2015052600452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2015
- Submitted: May 26, 2015
- Operation: Air carrier
- Aircraft: [N79279](https://openairdocs.org/aircraft/N79279), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31597
- Aircraft time: 39,055 hours, 13,461 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Line
- Part number: 332A235014
- Condition: Broken
- Location: Bleed Air Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015052600452

## Discrepancy

AFTER TAKEOFF NOTICED LEFT DUCT PRESS GAUGE CLOSE TO ZERO.  FLIGHT DECK FELT VERY WARM, NO MASTER CAUTION OR FAILURE LIGHTS.  AIR RETURN & TROUBLE SHOT ENG BLD REF 36-10-00.  FOUND LINE TO PRSOV BROKEN.  REPLACED SAME NR 1 ENG BLD.  OPERATIONS CHECKED GOOD.  ACFT OK TO CONTINUE.

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