# SDR IPXA2018021226451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2018
- Submitted: February 12, 2018
- Operation: Air carrier
- Aircraft: [N255UP](https://openairdocs.org/aircraft/N255UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48404
- Aircraft time: 83,241 hours, 17,271 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit
- Stage of operation: AP
- 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/IPXA2018021226451

## Discrepancy

SMELLED SOLDER, DURING APPROACH.  DO NOT KNOW IF IT`S IN CONJUCTION WITH A AVIONICS FAN OVRD OR POSSIBLY DUE TO WINDSHIELD HEAT BEING ON FOR HIGH HUMIDITY.  PERFORMED AN AVIONICS COMPTARTMENT EXHAUST FAN OPS TEST IAW AMM 21-26-02-201-2, FOUND NORMAL AND NO SOLDER ODOR NOTED.

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