# SDR FDEA201603090880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2016
- Submitted: March 11, 2016
- Operation: Air carrier
- Aircraft: N381FE
- Make and model: Doug MD-10-10F
- Registry model: [Doug MD-10-10F](https://openairdocs.org/model/mcdonnell-douglas-md-10-10f) (OpenAirDocs)
- Aircraft serial: 46615
- Aircraft time: 94,722 hours, 39,918 cycles
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Part number: 1879421
- Condition: Odor
- Location: Ac Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201603090880

## Discrepancy

FUME EVENT ON DESCENT FROM 16,000 FT UNTIL 5,000 FT.  HEAVY MUSTY DIRTY SOCK SMELL.  PACK 2 WAS OFF, PACK 1/2 ON.  PERFORMED PACK & DISTRIBUTION DUCT ODOR CLEANING PROCEDURE IAW AMM 21-53-00-7.  R & R THE NR 1 & 3 PACK COALESCE SOCKS IAW AMM 21-54-03-2.  AFTER ABOVE PROCEDURES NO ODOR FOUND DURING PACK 1 & 3 OPERATION.  NO HISTORY LAST 30 DAYS.

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