# SDR CALA2026030214139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2026
- Submitted: March 2, 2026
- Operation: Air carrier
- Aircraft: [N47570](https://openairdocs.org/aircraft/N47570), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67194
- Aircraft time: 9,131 hours, 3,037 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026030214139

## Discrepancy

RAMP REPORTED,  BURNING ODOR COMING FROM FWD CARGO BAY UPON ARRIVAL TO ACFT RAMP AGENT REPORTED ELECTRICAL BURNING ODOR AFT PART OF FWD CARGO PIT NEAR LAST SMOKE DETECTOR.  ODOR IS NOT PRESENT AT THE MOMENT BUT WILL REQ FURTHER T/S.  PERFORMED CONDITIONAL INSPECTION OF THE ELECTRICAL ODOR,  RECIRCULATION FAN, FILTERS AND WIRES. REMOVED AND REPLACED BOTH LT & RT FILTERS IAW AMM 21-25-01-000-801. RECIRC FAN AND WIRES ARE IN GOOD CONDITION . RAN APU & HYDRAULICS FOR A SIGNIFICANT AMOUNT OF TIME TO INSPECT ACFT CARGOS FOR POTENTIAL SMOKE ODOR. FOUND NO TRACE OF ANY KIND OF ODOR. NO FURTHER MAINTENANCE REQUIRED. OKAY TO CONTINUE AT THIS TIME.

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