# SDR P5CA0601486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2006
- Submitted: June 19, 2006
- Operation: Air carrier
- Aircraft: [N452PA](https://openairdocs.org/aircraft/N452PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30810
- Aircraft time: 22,836 hours, 3,964 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Seal
- Condition: Failed
- Location: Coupling
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0601486

## Discrepancy

CREW REPORTED AT TOP OF CLIMB (CRUISE) MULTIPLE EICAS MESSAGES -BLEED DUCT L-.  REPLACED SEALS AT FLEX COUPLING AT WBL 450 LEADING EDGE PNEUMATIC DUCT PER MM 36-11-02.

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