Service difficulty report · Pressure Switch · Boeing 7673BG

Difficulty date
January 3, 2025
Submitted
January 8, 2025
Operation
Air carrier
Aircraft
N565NC
Make and model
Boeing 7673BG
Aircraft serial
30565
Aircraft time
79,766 hours, 18,485 cycles
Part
Pressure Switch
Condition
Faulted
Location
Zone 100
Stage of operation
DE
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

FWD EQUIP VALVE ILLUMINATED AT APPROX 8000 FEET DURING DESCENT. REMOVED AND REPLACED S921SW PRESSURE SWITCH IAW AMM 31-41-08, OPS CHECK GOOD.

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