# SDR CALA2024051301452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2024
- Submitted: May 13, 2024
- Operation: Air carrier
- Aircraft: [N66831](https://openairdocs.org/aircraft/N66831), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 44562
- Aircraft time: 31,523 hours, 11,268 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: P199753
- Condition: Odor
- Location: Recirc Fan
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024051301452

## Discrepancy

IN CRUISE FLT ATTENDANTS REPORT AMMONIA/PLASTIC SMELL. EXECUTED SMOKE FIRE FUMES QRH.  RECIRCULATION FAN  FILTER REPLACED IAW AMM PUNGENT SMELL WAS DETECTED.  RAN THE AIRCRAFT 21-25-01. ENGINES  HIGH POWER RAN IN REFERENCE WITH BOEING AMM ENGINES.  BOTH PACK SYSTEM CHECKED IN REFERENCE WITH BOEING AMM21-51-00. ALL FOUR EMPLOYEES WALK THROUGH THE AIRCRAFT,

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