What was found
LEFT ENGINE BLEED PROBLEM. REPLACED UPPER FLOW CONTROL ISOLATION VALVE. OP CHECKS GOOD & AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- October 15, 2007
- Submitted
- October 16, 2007
- Operation
- Air carrier
- Aircraft
- N229UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30557
- Aircraft time
- 22,506 hours, 2,922 cycles
- Engine time
- 3,748 hours, 438 cycles
- System (JASC)
- 3600 · Pneumatic System
- Part
- Bleed Air Sys
- Condition
- Unknown
- Location
- Lt Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.