# SDR UIEA2025111901313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2025
- Submitted: November 21, 2025
- Operation: Air carrier
- Aircraft: [N472MC](https://openairdocs.org/aircraft/N472MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27062
- Aircraft time: 30,219 hours, 22,378 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Part number: 65B4095814
- Condition: Damaged
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025111901313

## Discrepancy

BLEED 2 DUCT LEAK RH STATUS MSG.  R & R R4 PDU PNEUMATIC DUCT IAW AMM 27-81-03-002-001. OPS & LEAK CHECKED OK.

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