# SDR CALA2026081418641

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2026
- Submitted: August 14, 2026
- Operation: Air carrier
- Aircraft: [N77576](https://openairdocs.org/aircraft/N77576), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67610
- Aircraft time: 10,411 hours, 3,417 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: P199753
- Condition: Odor
- Location: Zone 100
- Stage of operation: CR
- 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/CALA2026081418641

## Discrepancy

ELECTRICAL BURNING ODOR FROM AFT GALLEY. PERFORMED FIM 21-00, TASK 830, STEP I.  ELECTRICAL FAULTS PROCEDURE UNTIL STEP 1A.    STARTED  APU. TURNED ON ALL OVENS & COFFEE MAKERS IN AFT GALLEY OPENED AFT GALLEY CEILING EMERGENCY EXIT SIGN PANEL, FOUND NO DEFECTS, NO BURN ODOR.  INSPECTED AFT LAVS FOUND NO DEFECTS AT THIS TIME NO BURN ODOR AT THIS TIME.  PERFORMED NR 1 & 2 ENG IDLE RUN IAW AMM 71-00-00.  IAW FIM 21-00 TASK 830 WITH THE ENGINE AND APU RUNNING. STEP I  COMPLETED SUCCESSFULLY. THERE WAS NO SUSPICIOUS ELECTRIC SMOKE OR BURN ODOR IN  CABIN. THE AIR RECIRCULATION FILTER INSPECTED, & NO SMOKE DETECTED. THE FILTER DIRTY,  REPLACED IAW AMM 21-25-01-000-801/400-801.

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