# SDR CALA2026011613005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2026
- Submitted: January 16, 2026
- Operation: Air carrier
- Aircraft: [N77520](https://openairdocs.org/aircraft/N77520), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31658
- Aircraft time: 48,332 hours, 17,364 cycles
- Engine: Cfmint CFM567B263
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Lubrication
- Condition: Odor
- Stage of operation: IN
- 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/CALA2026011613005

## Discrepancy

BURNING ODOR THRU ENTIRE CABIN. OVENS AND COFFEEMAKERS OFF. DISSIPATED EVENTUALY BUT SLIGHT ACRID ODOR.  PERFORMED ENGINE RUN IAW AMM 71-00-00 WITH PACKS ON. NO ODOR DETECTED.  SUSPECT ODOR CAME FROM BLADE LUBRICATION DONE THE NIGHT PRIOR TO FLIGHT.  NO FURTHER MX REQUIRED AT THIS TIME.

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