# SDR FDEA201803220759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2018
- Submitted: March 22, 2018
- Operation: Air carrier
- Aircraft: N375FE
- 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: 46613
- Aircraft time: 95,364 hours, 40,489 cycles
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Condition: Dirty
- Location: Acm
- Stage of operation: DE
- 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/FDEA201803220759

## Discrepancy

DURING DESCENT THRU 13000 FT,  FUMES FROM PACKS WERE EXCESSIVE. FOLLOWED QRH,  NR 1 & 2 PACKS WERE ON. FIRST OFFICER DETECTED A MUSTY ODOR. REMOVED AND REPLACED DIRTY 1, 2, & 3 ACM COALESCER BAGS IAW AMM 21-54-03. INSPECTED PACKS FOR CONTAMINATION, NONE NOTED.  COMPLIED WITH CLEANING IAW AMM 21-53-00-7,  NO FAULTS NOTED

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