# SDR CALA2024120301389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N66841](https://openairdocs.org/aircraft/N66841), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42182
- Aircraft time: 31,413 hours, 11,449 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Part number: P199753
- Condition: Odor
- Location: Zone 100
- 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/CALA2024120301389

## Discrepancy

REPLACE LEFT AND RIGHT HEPA FILTERS DUE TO ODOR IN FLIGHT DECK AND CABIN WITH PACKS RUNNING. FILTER P/N CD01068F2 AVAILABLE IN ORD. FILTER P/N ADDED LOG PAGE LOCKED FOR FILTER REPLACEMENT UNLOCKING FOR MX REMOVED AND REPLACED LEFT AND RIGHT HEPA RECIRCULATION AIR FILTERS IN REF TO AMM 21-25-01-000-801 AND AMM 21-25-01-400-801.

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