What was found
PRIOR TO BLOCKOUT, RT BLEED ISOLANTION VALVE EICAS MESSAGE COUPLED WITH A VALVE DISAGREEMENT LIGHT ON THE RT ISOLATION SWITCH. CLEANED THE RT BLEED VALVE. EXERCIZED THE VALVE MANUALLY. OPS CHECKED NORMAL IAW AMM 36-11-04.
- Difficulty date
- April 24, 2018
- Submitted
- May 1, 2018
- Operation
- Air carrier
- Aircraft
- N1399A
- Make and model
- Boeing 767306
- Aircraft serial
- 27959
- Aircraft time
- 86,477 hours, 15,999 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Condition
- Malfunctioned
- Location
- Right
- Stage of operation
- TX
- 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.