SDR FDEA201803220759

Service difficulty report · Coalescer Bag · Doug MD1010F

Difficulty date: March 22, 2018
Submitted: March 22, 2018
Operation: Air carrier
Aircraft: N375FE
Make and model: Doug MD1010F
Aircraft serial: 46613
Aircraft time: 95,364 hours, 40,489 cycles
System (JASC): 2170 · Humidity Control System
Part: Coalescer Bag
Condition: Dirty
Location: Acm
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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