# SDR UIEA2024090900887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2024
- Submitted: September 11, 2024
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 98,205 hours, 16,488 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100149C
- Part serial: 1940A
- Condition: Failed
- Location: Zone 100
- Stage of operation: IN
- How discovered: 9
- Nature of condition: M, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024090900887

## Discrepancy

POSSIBLE BURNING ELECTRICAL SMELL IN FLIGHT DECK WHILE A/C ON GROUND(<P>FOUND FWD EQPT COOLING SUPPLY FAN HEATED & SMALL BURNT SMELL SO R/R EQPT COOLING SUPPLY FAN. OPS & SMELL CHECK GOOD PER AMM 21-58-01/401 & IPC 21-58-01-01. CONDITION CHECK NORMAL PER AMM 5-51-56/201.</P>)

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