# SDR UPS01836157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2001
- Submitted: June 25, 2001
- Operation: Air carrier
- Aircraft: [N880UP](https://openairdocs.org/aircraft/N880UP), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46080
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01836157

## Discrepancy

INSPECTION TYPE:N/A, STRONG ELECTRICAL BURNING SMELL SUSPECTED PACK SMOKE.  WITH LEFT PACK AND RECIRC FAN OFF SMELL DISSIPATED.  RAN ALL 4 ENGINES, OPERATED BOTH PACKS PER MM 21-55-00.  NO ABNORMALITIES  NOTED.  FOUND RECIRC FAN INOP AND TO BE SOURCE OF ODOR.  DEFERRED RECIRC FAN PER MEL 21-16.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.