# SDR IPXA20230825851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2023
- Submitted: August 25, 2023
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 123,890 hours, 20,843 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA20230825851

## Discrepancy

*** SDR FILED OPEN *** BLEED 2 OVHT FOUND #2 ENGINE PRV CONTROLLER SUPPLY LINE LOOSE, MISROUTED AND GALLED. REPAIRED ALL THE ABOVE. REPLACED SUPPLY LINE AND FITTINGS IAW AMM 36-11-20.  BLEED 2 OVHT STILL EXISTS. NO HELP.

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