# SDR CALA2025102010261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2025
- Submitted: October 21, 2025
- Operation: Air carrier
- Aircraft: [N63820](https://openairdocs.org/aircraft/N63820), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 43534
- Aircraft time: 37,514 hours, 13,700 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- 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/CALA2025102010261

## Discrepancy

ON TAKEOFF,  BURNING LUBRICANT SMELL. WAS NOT DURING TAXI/GROUND IDLE DEBRIEFED CREW. SMELL DISSAPTED SHORTLY AFTER TAKEOFF. FIRST FLIGHT AFTER #1 ENGINE WATER WASH COMPLETED OVERNIGHT.  DEBRIEFED CREW. CREW STATED SMELL DISSIPATED VERY SHORTLY AFTER TAKEOFF AND DID NOT RETURN. #1 ENGINE WATER WASH L/P 6226966 COMPLETED PRIOR TO THIS FLIGHT.  NO FURTHER MAINTENANCE ACTION NEEDED. NO PRIOR HISTORY.

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