Service difficulty report · Modulating Valve · Boeing 767306

Difficulty date
August 29, 2018
Submitted
August 30, 2018
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Aircraft time
87,088 hours, 16,231 cycles
Part
Modulating Valve
Part number
3987865
Part serial
5767
Condition
Faulty
Location
Cabin Temp
Stage of operation
TX
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

AFT CAB TEMP EICAS MESSAGE ON TAXI IN. REMOVED AND REPLACED AFT CABIN TRIM OUR MODULATING VALVE IAW AMM 21-61-01-004-006 AND 21-61-404-041 OPS CHECKS GOOD.