What was found
LEFT ENGINE HPSOV EICAS WHEN ENGINE REDUCED FOR DESCENT. ACCOMPLISHED QRH. FOUND NR 1 ENGINE HPSOV VALVE WOULD NOT FULLY CLOSE. REPLACED HPSOV PER MM. OP CHECKED GOOD PER SAME MM. PERFORMED 10 MIN IDLE RUN, NO FAULTS.
- Difficulty date
- July 5, 2012
- Submitted
- August 10, 2012
- Operation
- Air carrier
- Aircraft
- N665UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29237
- Aircraft time
- 50,323 hours, 13,511 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 79027013
- Part serial
- 308
- Condition
- Faulty
- Location
- Lt Engine
- Stage of operation
- DE
- 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.