Service difficulty report · Control Valve · Boeing 7378EH

Difficulty date
April 2, 2020
Submitted
April 6, 2020
Operation
Air carrier
Aircraft
N377DE
Make and model
Boeing 7378EH
Aircraft serial
39632
Aircraft time
14,594 hours, 10,628 cycles
Part
Control Valve
Condition
Faulty
Location
Ac Bay
Stage of operation
IN
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

3777 - DIV DIVERTING TO LAX DUE TO FLT DECK TEMP BEING HOT. MAINTENANCE REPLACED LEFT PARK MIX MUFF DUCT CLAMPS PER AMM 21-51. ALSO REPLACED TRIM AIR VALVE AND LEFT PACK TEMP CONTROL VALVE PER AMM 21-61.OPERATIONAL CHECK OK.

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