# SDR P5CA2025041000012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2025
- Submitted: April 10, 2025
- Operation: Air carrier
- Aircraft: [N714SA](https://openairdocs.org/aircraft/N714SA), registered now
- Make and model: Boeing 777FZB
- Registry model: [Boeing 777FZB](https://openairdocs.org/model/boeing-777fzb) (OpenAirDocs)
- Aircraft serial: 37988
- Aircraft time: 64,110 hours, 7,400 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 7600001101
- Condition: Odor
- Location: Zone 100
- Stage of operation: CR
- 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/P5CA2025041000012

## Discrepancy

THERE IS A BURNING SMELL DUE TO PACK L (WHEN BLEED AIR DEMAND CHANGES).(<P>C/W CONDITIONAL INSPECTION SMOKE/ODOR IN FLIGHT DECK, FOUND CONTAMINATED RECIRCULATING FAN FILTERS REF AMM 05-5-50-200-801. REPLACED ALL RECIRCULATING FILTERS IAW 21-26-00. NO FURTHER DEFECTS NOTED.</P>)

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