Service difficulty report · Valve · Boeing 767338

Difficulty date
November 24, 2021
Submitted
November 29, 2021
Operation
Air carrier
Aircraft
N371CM
Make and model
Boeing 767338
Aircraft serial
25577
Aircraft time
84,519 hours, 29,008 cycles
Part
Valve
Part number
79027014
Part serial
880229
Condition
Faulted
Location
Right Engine
Stage of operation
CL
How discovered
V
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

R ENG HPSOV EICAS AND STATUS MSG DURING FLIGHT. AFTER DEPARTING FROM C-CHECK. CREW ELECTED TO DO AN AIR TURN BACK TO TAMPA. MAINTENANCE GROUNDED THE AIRCRAFT, RIGHT HPSOV WAS REPLACED IAW 36-11-07 AMM. AIRCRAFT RETURNED TO SERVICE.