# SDR CALA2025090308432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2025
- Submitted: September 3, 2025
- Operation: Air carrier
- Aircraft: [N657UA](https://openairdocs.org/aircraft/N657UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27112
- Aircraft time: 125,962 hours, 19,307 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025090308432

## Discrepancy

MID TO AFT CABIN HAS MILD TO STRONG FOUL SMELL.    REPLACE RECIRC AIR FILTERS REF IPC EQUIPMENT INSTL-CAB. AIR RECIRCULATION REFERENCE: 21-25-01-02.  REMOVED AND REPLACED BOTH RECIRC AIR FILTERS PER AMM 21-25-02.  PERFORMED OPS CHECK, REF AMM 21-25-02. OPS CHECK GOOD. OKAY TO CONTINUE.

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