What was found
LHR - INFLIGHT BRU-ORD. CREW REPORTED LEFT HIGH PRESSURE SHUT OFF VALVE EICAS MESSAGE ILLUMINATED. EMERGENCY DECLARED, DIVERTED LHR LANDED WITHOUT INCIDENT. REPLACED LEFT ENGINE ISOLATION VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.
- Difficulty date
- July 31, 2010
- Submitted
- August 16, 2010
- Operation
- Air carrier
- Aircraft
- N393AN
- Make and model
- Boeing 767323
- Aircraft serial
- 29430
- Aircraft time
- 50,326 hours, 7,954 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Amp
- Condition
- Inoperative
- Location
- Bleed Air Sys
- 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.