# SDR U2RA2025021900012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2025
- Submitted: February 19, 2025
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25238
- Aircraft time: 115,548 hours, 17,516 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA2025021900012

## Discrepancy

ON DESCENT ELECTRICAL BURNING SMELL. STATUS: EE CLNG EXH FAN.   PERFORMED EE CLNG EXT FAN GROUND TEST PER AMM 21-58-00, TEST OF. INSPECTED ELECTRONIC EQUIPMENT COMPARTMENT FOR SUSPECTED BURNING AND CHECKED FOR ALL CBS, ALL OK. NO VISIBLE BURNS OR BURNING SMELL NOTICED UPON INSPECT. AIRCRAFT OK FOR SERVICE.

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