# SDR CALA2025041803976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2025
- Submitted: April 21, 2025
- Operation: Air carrier
- Aircraft: [N39475](https://openairdocs.org/aircraft/N39475), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37100
- Aircraft time: 37,048 hours, 13,367 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: CL
- 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/CALA2025041803976

## Discrepancy

MUSTY SMELL ON TAKEOFF AND LANDING IN CABIN AND COCKPIT ON CREW DEBRIEF STATED ODOR WAS ONLY PRESENT IN THE FLIGHT DECK. FA AND PAX DID NOT SMELL ANYTHING. MILD ODOR WAS PRESENT THOUGH TO AND THEN DISSIPATED FOR THE REST OF THE FLIGHT BUT CAME BACK ON LANDING AND WENT AWAY AGAIN. RAN PACKS FOR 30 MIN WITH NO ODOR SENSED ANY WHERE ON THE AC. INSPECTIONS ACCOMPLISHED REF AMM 05-51-26.

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