What was found
LEFT ISOLATION VALVE FAILED TEST. M MSG 36-10300 DISPLAYED, VALVE ON ORDER. REPLACED ISOLATION VALVE LEAK AND OPS CHECKED GOOD.
- Difficulty date
- October 13, 2011
- Submitted
- October 13, 2011
- Operation
- Air carrier
- Aircraft
- N774UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26936
- Aircraft time
- 63,983 hours, 12,216 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Condition
- Failed
- Location
- Bleed Air Sys
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.