# SDR ASAA2014011412393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2014
- Submitted: January 16, 2014
- Operation: Air carrier
- Aircraft: [N533AS](https://openairdocs.org/aircraft/N533AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35201
- Aircraft time: 11,911 hours, 3,587 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32144464
- Part serial: 11515
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 17,240 hours, 5,279 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014011412393

## Discrepancy

NR 2 BLEED TRIP OFF, LIGHT ILLUMINATED DURING CLIMBOUT.  LIGHT WENT OUT AFTER TRIP RESET.  ACFT GROUNDED.  PERFORMED NR 2 BLEED AIR SYSTEM HEALTH CHECK REF MM 36-11-00-700-801.  FOUND HIGH STAGE VALVE, HIGH STAGE REGULATOR, PRSOV AND PRECOOLER VALVE FAILED TEST.  R & R FAULTY COMPONENTS.  REF MM 36-11-06-401, 36-11-07-401, 36-11-04-401, 36-12-02-401.  OPS LEAK CHECK GOOD IAW MM 36-11-00-700-801, ENG BLEED AIR SYSTEM HEALTH CHECK. PERFORMED NR 2 ENG CONFIRMATION ENGINE RUN REF MM 36-11-00-710-801.  OPS CHECK GOOD, NO FAULTS ON ENG RUN.  ACFT OK FOR CONTINUED SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.