What was found
LEFT ISOLATION VALVE CHECK FAILED TO SEAL. MANIFOLD WOULD NOT DROP, STAYED ABOVE 20 PSI. REPLACED LT ISOLATION VALVE IAW MM. OPS NORMAL.
- Difficulty date
- December 19, 2010
- Submitted
- December 20, 2010
- Operation
- Air carrier
- Aircraft
- N212UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30218
- Aircraft time
- 37,830 hours, 8,292 cycles
- Engine
- Pwa PW4084
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Part number
- 32907706
- Part serial
- 1262C
- Condition
- Faulty
- Location
- Left
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.