What was found
NR 1 SLATS PRIMARY FAIL UPPER EICAS. *S/D* SLAT PRIMARY CONTROL VALVE FAILURE. REPLACED SLAT PRIMARY CONTROL VALVE & SVC'D CENTER HYD RESERVOIR. A/C OK FOR SERVICE.
- Difficulty date
- September 15, 2008
- Submitted
- September 22, 2008
- Operation
- Air carrier
- Aircraft
- N771UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26932
- Aircraft time
- 51,025 hours, 9,747 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2780 · Leading Edge Slat Control System
- Part
- Control Valve
- Part number
- 3930007102
- Part serial
- 235
- Condition
- Failed
- Location
- Nr 1 Slat
- 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.