# SDR DALA2021032601807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2021
- Submitted: March 26, 2021
- Operation: Air carrier
- Aircraft: [N883DN](https://openairdocs.org/aircraft/N883DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31993
- Aircraft time: 10,077 hours, 3,485 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Recirculation
- Stage of operation: IN
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021032601807

## Discrepancy

(LOG 7559556) ON TAKEOFF ROLL AIR CONDITIONING SMELLED STORNGLY OF DIRTY SOCKS OR DIRT VACCUUM. SMELL DISAPATED ON CLIMBOUT. PERFORMED PNEUMATIC DUCT BURN OUT AS PER B737 AMM 21-00-01. NO SMELL NOTED. R/R RECIRCULATION AIR FILTERS AS PER B737 AMM 21-25.

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