# SDR DALA2026080304477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N3740C](https://openairdocs.org/aircraft/N3740C), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30800
- Aircraft time: 75,623 hours, 32,930 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Contaminated
- 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/DALA2026080304477

## Discrepancy

FA REPORTED THAT THEY SMELLED SWEATY SOCK ODOR.   FOUND DEBRIS IN AFT OVERHEAD SUPPLY DUCT BY MUFFLER. CLEANED OUT AREA IAW AMM 21-23., R & R RECIRC FILTERS IAW AMM 21-25. R & R LT PACK STANDBY TEMP CONTROL VALVE IAW AMM 21-51. P-TRACK INFO SENT AND FOUND TO BE OK. (8784884) AIRCRAFT WAS GROUNDED.

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