# SDR AALA201703139034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2017
- Submitted: March 14, 2017
- Operation: Air carrier
- Aircraft: [N924NN](https://openairdocs.org/aircraft/N924NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33486
- Aircraft time: 12,681 hours, 5,008 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Cabin Air
- Stage of operation: TX
- 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/AALA201703139034

## Discrepancy

IMMEDIATELY AFTER DEPARTURE, FAINT ODOR SIMILAR TO HOT PACK DETECTED IN THE COCKPIT AND FORWARD CABIN. ODOR DISSIPATED WITHIN 3 MINUTES.  ACCOMPLISHED INSPECTION OF PACK INLET SOCKS,  BITE CHECK OF BOTH ZONE TEMPERATURE CONTROLLERS, AND REPLACED LEFT RECIRCULATION FILTER IAW AMM 21-25-01.

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