# SDR CALA2012070200420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2012
- Submitted: July 2, 2012
- Operation: Air carrier
- Aircraft: [N33203](https://openairdocs.org/aircraft/N33203), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30613
- Aircraft time: 39,474 hours, 14,029 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 32145526
- Part serial: 10856
- Condition: Leaking
- Location: Bleed System
- Part time: 12,423 hours, 4,386 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/CALA2012070200420

## Discrepancy

NR 1 ENGINE OVERHEAT LIGHT CAME ON AFTER TAKEOFF.  RETURNED TO DEPARTURE. CHECKED NR 1 ENG USING FIRE DETECTION BITE IAW FIM 26-10, TASK 811 AND PERFORMED ENG BLEED AIR LEAK CHECK IAW MM 36-11-00.  FOUND PRSOV LEAKING. R & R NR 1 ENGINE PRSOV IAW MM 36-11-04.  LEAK CHECKED GOOD.  PERFORMED ENGINE POWER ASSURANCE TEST 5 IAW MM 71-00-00.  ALL CHECKED NORMAL.

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