# SDR ASAA2014110409595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2014
- Submitted: November 6, 2014
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 6,524 hours, 2,045 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32895625
- Part serial: 16294
- Condition: Failed
- Location: Precooler
- Part time: 2,326 hours, 719 cycles
- 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/ASAA2014110409595

## Discrepancy

NR 2 BLEED TRIP OFF LIGHT ILLUMINATED AT 15000 ON CLIMBOUT.  PERFORMED CHECKLIST IAW QRH.  BLEED TRIP OFF LIGHT EXTINGUISHED, BUT ILLUMINATED AGAIN AFTER ABOUT 5 SECONDS.  ACFT GROUNDED.  ACCOMPLISHED BLEED AIR HEALTH CHECK IAW T/C NG36WC00001.  PRECOOLER VALVE FAILED TO MOVE TOWARD OPEN POSITION UNTIL PC WAS DROPPED TO 0 PSI.  REPLACED PRECOOLER VALVE IAW MM 36-12-02.  LEAK AND OPS CK GOOD.  NO OTHER DEFECTS NOTED. ACCOMPLISHED REPAIR CONFIRMATION IAW FIM 36-10 TASK 801, NR 2 ENGINE REPAIR CONFIRMATION SUCCESSFUL.

---
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.