Service difficulty report · Shutoff Valve · Boeing 76733A

Difficulty date
August 2, 2019
Submitted
August 5, 2019
Operation
Air carrier
Aircraft
N1439A
Make and model
Boeing 76733A
Aircraft serial
28495
Aircraft time
69,984 hours, 16,366 cycles
Part
Shutoff Valve
Part number
80217012
Part serial
200202243
Condition
Unknown
Location
Rt Engine
Stage of operation
NR
How discovered
9
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

EICAS AND STATUS MSG: R ENG HPSOV. PERFORMED RIGHT ENGINE RUN, NO MESSAGE DISPLAYED AT THIS TIME. PACK PRESSURE HOLDS GOOD. THERE ARE NO DEFECTS FOUND AT THIS TIME, OPS CHECK PERFORMED IAW 71-00-00. REMOVED AND REPLACED R ENGINE HPSOV IAW AMM 36-11-02. LEAK CHECKED GOOD. BITE TEST GOOD IAW 36-23-00.

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