Service difficulty report · Shutoff Valve · Boeing 737832

Difficulty date
November 10, 2025
Submitted
November 10, 2025
Operation
Air carrier
Aircraft
N399DA
Make and model
Boeing 737832
Aircraft serial
30379
Aircraft time
73,299 hours, 34,064 cycles
Part
Shutoff Valve
Condition
Bypassing
Location
Zone 100
Stage of operation
CR
How discovered
O
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

DECLARED EMERGENCY AND DIVERTED TO ONT DUE TO FLT CONTROL 'B' LOW PRESSURE LIGHT ILLUMINATED. FOUND SYSTEM 'B' FLIGHT CONTROL SHUTOFF VALVE BYPASSING. REPLACED SAME. OPS CHECK GOOD.