What was found
LEFT BLEED ISOLATION VALVE EICAS IN FLIGHT.(<P>CYCLED ISOLATION VALVE MULTIPLE TIMES WITH PRESSURE AND WITHOUT PRESSURE. VALVE OPENED AND CLOSED NORMALLY WITH NO FAULTS. OPS CHECK GOOD IAW AMM 36-11-04.</P>)
- Difficulty date
- April 17, 2020
- Submitted
- April 20, 2020
- Operation
- Air carrier
- Aircraft
- N1093A
- Make and model
- Boeing 76736N
- Aircraft serial
- 30111
- Aircraft time
- 81,223 hours, 11,597 cycles
- System (JASC)
- 3620 · Pneumatic Indicating System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.