Service difficulty report · Modulating Valve · Boeing 7673S1

Difficulty date
April 8, 2021
Submitted
April 12, 2021
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
92,828 hours, 19,780 cycles
Part
Modulating Valve
Part number
3987865
Part serial
5040
Condition
Faulted
Location
Cockpit Temp
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FLIGHT DECK TEMP INOP IN AUTO MODE(<P>REMOVED AND REPLACED TRIM AIR MODULATING VALVE IAW B767 AMM 21-61-07. OPS CHECK GOOD AT THIS TIME.<BR /></P>)

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