What was found
ETOPS SIGNIFICANT SYS - ON WALKAROUND FOUND HYD LEAK COMING FROM RUDDER RATIO VALVE. FOUND O-RINGS ON RUDDER RATIO VALVE CUT. REMOVED AND REPLACED O-RINGS, LEAK CHECK OK. OK FOR SERVICE.
- Difficulty date
- August 17, 2009
- Submitted
- August 18, 2009
- Operation
- Air carrier
- Aircraft
- N589HA
- Make and model
- Boeing 76733A
- Aircraft serial
- 33422
- Aircraft time
- 26,350 hours, 4,984 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- O-Ring
- Condition
- Cut
- Location
- Hyd System
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.