Service difficulty report · Shutoff Valve · Boeing 757260PF

Difficulty date
July 26, 2022
Submitted
July 31, 2022
Operation
Air carrier
Aircraft
N922TS
Make and model
Boeing 757260PF
Aircraft serial
24845
Aircraft time
102,704 hours, 27,053 cycles
Part
Shutoff Valve
Condition
Faulty
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
A

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

What was found

THE RIGHT ENG BLEED SHUT OFF WITH THE USE OF THE COWL ANTI ICE SYSTEM. THE LEFT ENG BLEED WAS UTILIZED FOR THE RIGHT SYSTEM PER THE QRH CAUSING THE LEFT ENG BLEED TO SHUT OFF. CABIN PRESSURE WAS LOST AND THE CREW DIVERTED TO BNA. THE RIGHT ENG HPSOV WAS FOUND FAULTY WHICH WAS DEFERRED. THE LEFT ENG BLEED OFF IS CONSIDERED NORMAL PER THE FIM.