Service difficulty report · Control Valve · Boeing 767375

Difficulty date
October 20, 2019
Submitted
October 21, 2019
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
93,160 hours, 21,744 cycles
Part
Control Valve
Part number
1589352
Part serial
753867
Condition
Leaking
Location
Apu Oil Cooler
Stage of operation
IN
How discovered
9
Nature of condition
K
Precautionary procedure
K

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

What was found

APU OIL COOLER TEMP CONTROL VALVE LEAKING. (<P>DEFERRED APU IAW MEL 49-11-01A, TRANSFERRED TO DMI #119428. MCC NOTIFIED AND ALL PLACARDS INSTALLED.</P><P>LP 1116578 - M18: REMOVED AND REPLACED APU OIL COOLER TEMP CONTROL VALVE IAW B767 AMM 49-27-10. OPS CHECK GOOD, NO LEAKS NOTED. THIS CLEARS MDDR #119428. PLACARDS REMOVED AND MCC NOTIFIED.</P>)