Service difficulty report · Coalescer Bag · Boeing 74745E

Difficulty date
September 17, 2018
Submitted
September 19, 2018
Operation
Air carrier
Aircraft
N473MC
Make and model
Boeing 74745E
Aircraft serial
27174
Aircraft time
101,699 hours, 18,083 cycles
Part
Coalescer Bag
Part number
2437983
Condition
Dirty
Location
Ac Bay
Stage of operation
AP
How discovered
O
Nature of condition
B, J
Precautionary procedure
K

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

What was found

MAIN DECK SMOKE ON FINAL APPROACH CAUSING "FIRE MAIN DECK". SMOKE DETECTION TEST PASS. NR 1 PACK WATER COALESCER REPLACED. NR 2 WATER COALESCER BAG REPLACED. FOUND MSG 21773, PACK 1 TRIP. DEFERRED PACK 1.

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