# SDR CALA2012030500158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2012
- Submitted: March 5, 2012
- Operation: Air carrier
- Aircraft: [N13227](https://openairdocs.org/aircraft/N13227), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28788
- Aircraft time: 42,112 hours, 15,321 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Control Valve
- Part number: 32895626
- Part serial: 11991
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Part time: 6,700 hours, 2,213 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/CALA2012030500158

## Discrepancy

NR 1 BLEED TRIP OF LIGHT ILLUMINATED DURING CLIMB.  T/S PER WDM 39-11-11.  FOUND PIN 9 AND 10 SHOWING CLOSED ON BAR REPLACE BAR PER AMM 36-11-03.  ENGINE RUN TO 93.3% N1.  NO BLEED SPLIT AND NO BLEED TRIP END ROTABLE PARTS CHANGE WAS INDICATED.  REMOVE AND REPLACE CONTROL VALVE PER TASK 36-12-02.

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