# SDR CALA2025020302166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2025
- Submitted: February 3, 2025
- Operation: Air carrier
- Aircraft: [N77258](https://openairdocs.org/aircraft/N77258), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30802
- Aircraft time: 73,850 hours, 27,625 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Part number: P199753
- Condition: Clogged
- Location: Zone 100
- 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/CALA2025020302166

## Discrepancy

DIRTY SOCK SMELL ENGINE BLEED TO PACK ON GROUND/ INIT CLIMB/FIN AL DESC. CHANGED RECERCULION FILTERS REF. AMM 21-25-01. PERFOREMED RUN. NO NOTICABLE ODERS AT THIS TIME PARTS USED: 29-2124-3-0006, QTY :1

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