Service difficulty report · Shutoff Valve · Boeing 7673JHF

Difficulty date
May 15, 2019
Submitted
May 22, 2019
Operation
Air carrier
Aircraft
N643GT
Make and model
Boeing 7673JHF
Aircraft serial
37809
Aircraft time
14,883 hours, 4,226 cycles
Part
Shutoff Valve
Part number
80217012
Part serial
0905074
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
CR
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

R HPSOV EICAS DURING LEVEL OFF. COMPLIED WITH QRH. R HPSOV STATUS ON FOR DURATION OF FLIGHT.(<P>BLEED MONITOR SHOW HPSOV WIRE FAULT ITEM DEFER PER MEL 36-11-02-02 CAT C. MDDR 111712.</P><P>REF LOG PAGE 917070 ITEM 4; RIGHT HPSOV REPLACED, LEAK CHECK AND FUNCTIONAL CHECK C/OUT IAW AMM 36-11-07-024-001-001 AND AMM 36-11-07-424-016-001. NIL DEFECTS DMI CLEARED </P><P>REF LOG PAGE 917070 ITEM M5; RIGHT ENGINE HPSOV ELECTRICALLY RE CONNECTED, BONDING CHECK C/OUT, RIGHT ENGINE HPC RE CONNECTED AND AIR SUPPLY MODULE BITE C/OUT PER AMM 36-11-07-024-001-001. ALL OPS SYSTEM INDICATION NORMAL. </P>)

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