# SDR P5CA0501343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2005
- Submitted: April 26, 2005
- Operation: Air carrier
- Aircraft: [N450PA](https://openairdocs.org/aircraft/N450PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30808
- Aircraft time: 18,805 hours, 3,337 cycles
- Engine: Ge CF680C2*
- Engine time: 18,805 hours, 3,337 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 79275515
- Condition: Malfunctioned
- 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/P5CA0501343

## Discrepancy

AFTER PUSHBACK AND ENGINE START EICAS MESSAGE BLEED 2 OVERHEAT/PRV APPEARED.  RETURNED TO GATE.  REPLACED NR 2 ENGINE PRV CONTROLLER PER MM 36-11-20.  OPS CHECK OK ON RUN UP PER MM 36-11-00.

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