# SDR CA121113001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074926
- Condition: Failed
- Location: Bleed Air
- Part time: 31,018 hours
- Stage of operation: CR
- 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/CA121113001

## Discrepancy

(CAN) FLIGHT CONTACTED MAINTENANCE TO REPORTING DUCT PRESSURE AT 5 PSI ON CLIMB AND AT 10 PSI IN CRUISE.  ACFT DIVERTED FOR MAINTENANCE.  ENGINE BLEED AIR SYS HEALTH CHECK CARRIED OUT ON NR 2 ENGINE.  HEALTH CHECK REVEALED EXCESSIVE AIR LEAKING FROM BAR. BLEED AIR REGULATOR INSTALLED IAW MM 36-11-03.  BLEED AIR SYSTEM HEALTH CHECK AGAIN, CARRIED OUT IAW 36-11-00. NO FAULTS.  BLEED AIR REGULATOR REMOVED PN: 107492-6, SN: 7024  POSITION: NR 2 ENGINE, INSTALLED HOURS 5082:52, CYCLES 2337, DAYS 503.

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