# SDR CALA2026083119031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N17599](https://openairdocs.org/aircraft/N17599), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67640
- Aircraft time: 4,586 hours, 1,519 cycles
- System (JASC): [2530 · Buffet/Galleys](https://openairdocs.org/jasc/2530)
- Part: Oven
- 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/CALA2026083119031

## Discrepancy

INTERMITTENT FAINT BURNING PLASTIC ODOR IN FLT DECK & CABIN.  THROUGHOUT FLT LASTING 1 MIN FAINT BURNING ODOR IN COCKPIT.  ODOR PRESENT AT HIGH POWER SETTINGS, SUGGEST TAKING ACFT TO THE RUN-UP PAD TO ISOLATE ODOR.  APU WAS OFF WHEN ODOR WAS PRESENT. OPS PACKS USING APU IMMEDIATELY UPON TURNING LT PACK ON, FAINT ODOR RETURNED.   PILOT STATED UPON HIGHER POWER CHANGES THE ODOR RETURNS. PILOT ALSO SUSPECTED LT PACK. IAW FIM 21-00, TASK 803, PARAGRAPH I , RAN ENGINES AT 70% N1 FOR 10 MINS ON IDG POWER ISOLATING EACH AIR SOURCE.  NO ODOR COMING FROM PACKS & AIR SOURCES.RAN ALL GALLEY EQUIPMENT. FOUND ELECTRIC ODOR COMING FROM FWD GALLEY OVENS. OVEN REPLACEMENT & CABIN AIR FILTER REPLACED ON SEPARATE LOG PAGES.

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