# SDR 2005UALA01017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2005
- Submitted: September 27, 2005
- Operation: Air carrier
- Aircraft: N523UA
- Make and model: Boeing 757222
- Aircraft serial: 24932
- Aircraft time: 49,899 hours, 18,389 cycles
- Engine: Pwa PW2037
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Odor
- Condition: Detected
- Location: Cockpit
- Stage of operation: NR
- 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/2005UALA01017

## Discrepancy

LIGHT SMOKE AND BURNING ODOR IN COCKPIT WITH RIGHT PACK OPERATING OFF APU.   ACCOMPLISHED AIR CONDITIONING SYSTEM OIL CONTAMINATION MAINTENANCE PRACTICES PER MM21-00-01.  NO SMELLS NOTED.  RETURNED AIRCRAFT TO SERVICE.

---
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.
