Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
May 7, 2023
Submitted
May 12, 2023
Operation
Air carrier
Aircraft
N664UA
Make and model
Boeing 767322
Aircraft serial
29236
Aircraft time
84,832 hours, 18,372 cycles
Part
Shutoff Valve
Part number
80217011
Part serial
900927
Condition
Failed
Location
Rt Eng
Part time
790,513 hours, 711,767 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RIGHT ENG BLEED SHIFT FAILED TEST AT FL 350. HIGH STAGE VLV OPEN ED AT 0.89 EPR REPLACED HPSOV IAW B767 AMM 36-11-07-002-002 OPS /LEAK CHECK GOO D. SEE PARTIAL WORK COMPLETED AND PARTIAL SHEETS (1) PG 5 1 & 2. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1779046 SN OFF 2133 TT # 1729405 SN OFF 0927 CONTROLLER, HIG OFF 76-3612-9-0003 2133 ON 76-3612-9-0003 0016 VALVE, SHUTOFF, OFF 76-3611-9-0001 0927 ON 76-3611-9-0001 0529