Service difficulty report · Water Separator · Boeing 74746NF

Difficulty date
December 15, 2023
Submitted
December 18, 2023
Operation
Air carrier
Aircraft
N454PA
Make and model
Boeing 74746NF
Aircraft serial
30812
Aircraft time
89,508 hours, 15,073 cycles
Part
Water Separator
Part number
25TD47
Part serial
NSN
Condition
Unknown
Location
Unknown
Stage of operation
TO
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

SMOKE CREW REST EICAS IMMEDIATELY AFTER ROTATION AND A SMELL OF SOMETHING BURNING. EICAS AND SMELL WENT AWAY AFTER 1-2 MINUTES. REPEAT WRITE-UP, REF LP 1723752.(<P>NO FAULTS FOUND IN CMC. PERFORMED FIRE SET SYS GROUND TEST PER AMM 26-11-00, TEST PASS. PERFORMED CONDITIONAL INSPECTION PER AMM 05-51-56, NO DEFECTS NOTED OR FOUND. REMOVED AND REPLACED #1 PACK WATER SEPARATOR COALESCER BAG PER AMM 21-51-05/201, OPS CHECK GOOD.</P>)

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