# SDR P5CA0300907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2003
- Submitted: August 11, 2003
- Operation: Air carrier
- Aircraft: [N921FT](https://openairdocs.org/aircraft/N921FT), registered now
- Make and model: Boeing 747283B
- Aircraft serial: 21575
- Aircraft time: 60,153 hours, 13,495 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 73836219
- Part serial: GF16665
- Condition: Malfunctioned
- Location: Nr 3 Pylon
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0300907

## Discrepancy

NR 3 ENG PYLON VLV WOULD NOT OPEN.  REMOVED AND REPLACED PYLON VLV IAW 36-11-00, LEAK CHECK OK.

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