Service difficulty report · Shutoff Valve · Boeing 7673S1

Difficulty date
September 11, 2018
Submitted
September 13, 2018
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
86,766 hours, 18,434 cycles
Part
Shutoff Valve
Part number
7998014
Part serial
9981088
Condition
Failed
Location
Bleed Air Sys
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT ENG PRSOV BITE FAILED. REMOVED AND REPLACED LEFT PRSOV, OP'S CHECK NORMAL. NO LEAKS IAW AMM 36-11-09.

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