# SDR P5CA0501316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2005
- Submitted: February 9, 2005
- Operation: Air carrier
- Aircraft: [N509MC](https://openairdocs.org/aircraft/N509MC), registered now
- Make and model: Boeing 747230B
- Aircraft serial: 21221
- Aircraft time: 112,514 hours, 21,390 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0501316

## Discrepancy

NR 2 PYLON VALVE FAILED TO OPEN ON ENGINE START.  DEFERRED NR 2 ENGINE PYLON VALVE PER MEL 36-5-2. TRANSFERRED TO DMI 33793.

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