What was found
LEFT ENG HPSOV EICAS MESSAGE FLASHED MULTIPLE TIMES ON FINAL APPROACH 3 TIMES , 10 SECONDS EACH. CARRIED OUT ENG HPSOV CONFIRMED TO NOT CLOSE FULLY UNDER SPRING PRESSURE , HPSOV REPLACED AND TESTED IAW AMM 36-11-07.
- Difficulty date
- August 31, 2017
- Submitted
- September 5, 2017
- Operation
- Air carrier
- Aircraft
- N644GT
- Make and model
- Boeing 7673JHF
- Aircraft serial
- 37810
- Aircraft time
- 11,374 hours, 2,761 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 80217010
- Part serial
- 2012050019
- Condition
- Damaged
- Location
- Lt Engine
- Stage of operation
- AP
- 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.