Service difficulty report · Modulating Valve · Boeing 74747UF

Difficulty date
October 6, 2018
Submitted
October 10, 2018
Operation
Air carrier
Aircraft
N416MC
Make and model
Boeing 74747UF
Aircraft serial
32838
Aircraft time
70,556 hours, 11,617 cycles
Part
Modulating Valve
Part number
7192244
Part serial
2006101447
Condition
Faulty
Location
Cabin Temp
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

STATUS MESSAGE ZONE TEMP WITH ASSOCIATED HIGH FLIGHT DECK TEMPERATURE.(<P>REMOVED AND REPLACED UPPER DECK TRIM AIR MODULATING VALVE PER AMM 21-61-10/401 <BR /></P>)

More about the Boeing 747-47UF