Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
July 10, 2023
Submitted
July 12, 2023
Operation
Air carrier
Aircraft
N663UA
Make and model
Boeing 767322
Aircraft serial
27160
Aircraft time
116,190 hours, 17,908 cycles
Part
Shutoff Valve
Part number
79027014
Part serial
890441
Condition
Failed
Location
Rt Engine
Part time
770,777 hours, 711,024 cycles
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
A, O

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

What was found

R ENG HPSOV EICAS ON T/O ROLL WITH ASSOC BLEED LIGHT. BLEED LIGHT DID NOT EXTINGUISH. V347 FAILED INTERNAL ELECTRICAL CHECK PER WDM 36-11-62, NEEDS NEW VALVE, REF AHM LP 5113215. REF AMM#36-11-18 REMOVED AND REPLACED HPSOV. LEAK AND OPS CHECKS GOOD WITH NO FURTHER MESSAGES NOTED. PARTS USED: 1728403,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1728403 SN OFF 0441 IPC REFERENCE # 36-11-01-50 VALVE, SHUTOFF, OFF 76-3611-9-0001 0441 ON 76-3611-9-0001 2142