Service difficulty report · Pressure Switch · Boeing 76738E

Difficulty date
December 1, 2020
Submitted
December 4, 2020
Operation
Air carrier
Aircraft
N641GT
Make and model
Boeing 76738E
Aircraft serial
25132
Aircraft time
89,247 hours, 25,341 cycles
Part
Pressure Switch
Part number
ASP4560
Part serial
1835
Condition
Malfunctioned
Location
Boost Pump
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT FWD BOOST PUMP HAS INTERMITTENT PRESSURE LIGHT WHEN OPERATING. REMOVED AND REPLACED LEFT FWD BOOST PUMP PRESSURE SWITCH, IAW AMM 28-42-01. OPERATIONS AND LEAK CHECKS OK.

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