# SDR UIEA2025052300679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2025
- Submitted: May 27, 2025
- Operation: Air carrier
- Aircraft: [N416MC](https://openairdocs.org/aircraft/N416MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32838
- Aircraft time: 96,395 hours, 15,821 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Switch
- Part number: 9750172010
- Condition: Inoperative
- Location: Zone 400
- Stage of operation: CR
- 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/UIEA2025052300679

## Discrepancy

BLEED 2 OVHT / PRV EICAS MSG. QRH PROCEDURE IND NO NAI AVAILABLE FOR ENG #2.(<P>REMOVED AND REPLACED BLEED 2 OVHT SWITCH REF AMM 36-22-01 & AIPC 36-22-01-01, OPS CHECK GOOD. NO LEAKS DETECTED. PERFORMED MPA RUN AS REQUESTED, NO FAULTS FOUND REF AMM 71-00-00-715871-J00.</P>)

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