# SDR UIEA2016082600707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2016
- Submitted: August 29, 2016
- Operation: Air carrier
- Aircraft: [N418MC](https://openairdocs.org/aircraft/N418MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32840
- Aircraft time: 56,499 hours, 8,849 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: B, P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2016082600707

## Discrepancy

CREW EXPLAINED THERE WAS AN ODOR IN COCKPIT W/O ANY STS OR EICAS MESSAGES OR FAULTS.  FOUND NO EVIDENCE OF ODOR IN COCKPIT INSPECTION ELECTRONIC EQUIPMENT BAY.  FOUND NO UNITS FAILING OR AT FAULT.  REMOVED AND REINSTALLED AIR SUPPLY DATA UNIT IAW 21-61-00.

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