What was found
LEFT ENGINE HPSOV EICAS MESSAGE APPEARED TWICE ON DESCENT. MESSAGE WENT AWAY AFTER 30 SECONDS. REPLACED HPSOV AND HPCV IAW AMM, IDLE RUN CHECKED OKAY.
- Difficulty date
- July 26, 2011
- Submitted
- August 5, 2011
- Operation
- Air carrier
- Aircraft
- N672UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30027
- Aircraft time
- 42,427 hours, 11,075 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 79027013
- Part serial
- 119
- Condition
- Malfunctioned
- 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.