# SDR CALA2026042915811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N37577](https://openairdocs.org/aircraft/N37577), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67615
- Aircraft time: 9,323 hours, 3,084 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Zone 900
- 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/CALA2026042915811

## Discrepancy

FAINT BURNING ODOR FROM MIDDLE LAV AREA.  PERFORMED SMOKE/FUME CONDITIONAL INSPECTION IAW AMM 05-51-56.  NO VISIBLE SMOKE NOTED AND NO ODOR DETECTED. FA REPORTS ODOR DISSIPATED AND CAN NO LONGER BE SMELLED. NO DEFECTS NOTED.

---
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.
