Service difficulty report · Shutoff Valve · Boeing 767231

Difficulty date
September 11, 2018
Submitted
September 13, 2018
Operation
Air carrier
Aircraft
N653GT
Make and model
Boeing 767231
Aircraft serial
22572
Aircraft time
80,907 hours, 23,457 cycles
Part
Shutoff Valve
Part number
77385719
Part serial
83111
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
CR
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

DURING CRUISE RECEIVED EICAS RT ENG, QRH FOLLOWED, MESSAGE WENT AWAY HIGH STAGE. FOLLOWED IMMEDIATELY BY LT ENG HIGH STAGE. PERFORMED FIM 36-10 FAULT TREE 978 BLOCK 48. REMOVED AND REPLACED LT ENG HPSOV. OPS CHECK GOOD.