Service difficulty report · Shutoff Valve · Boeing 767316

Difficulty date
May 5, 2019
Submitted
May 6, 2019
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316
Aircraft serial
27615
Aircraft time
86,138 hours, 18,425 cycles
Part
Shutoff Valve
Part number
77328915
Part serial
921211
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
NR
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

RIGHT DUCT PRESSURE CHANGES WITH ENGINE THRUST(<P>BITE TEST DETERMINED THE HIGH PRESSURE CONTROLLER FAILED. PLACED HPSOV ON MEL 36-11-02-02 DMI 111214 CAT "C" </P><P>REACT HPSOV IAW 36-00-00 & 36-23-00. FOUND HP AT FAULT REMOVED AND REPLACED 36-11-08 OPS CHECK. THIS CLERAS MDDR LP 1052666<BR /></P><P><BR /></P>)