Service difficulty report · Pressure Switch · Beech 58

Difficulty date
July 17, 2018
Submitted
July 21, 2018
Operation
Air carrier
Aircraft
N747DW
Make and model
Beech 58
Aircraft serial
2002
Aircraft time
2,398 hours
Part
Pressure Switch
Part number
603890261
Part serial
1298
Condition
Defective
Location
Zone 500
Part time
1,500 hours
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

SWITCH FAILED BLOCKING VOLTAGE TO COMPRESSOR CLUTCH. DID NOT BLOW FUSE ASSOCIATED WITH SWITCH CIRCUIT.

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