# SDR 9713196636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N636US](https://openairdocs.org/aircraft/N636US), registered now
- Make and model: Boeing 747251B
- Aircraft serial: 23547
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pneu Valve/Contl
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9713196636

## Discrepancy

DURING CLIMB, THE NR 2 ENGINE NACELLE TEMPERATURE INDICATED HIGH.  FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND AIRCRAFT RETURNED TO KIX AND LANDED WITHOUT INCIDENT.  REPLACED THE HIGH STAGE VALVE AND CONTROL, OPERATIONAL CHECK GOOD.

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