What was found
ISOLATION VALVE LEAKED AND LOST LEFT HYDRAULIC SYSTEM. LEFT HYD SYSTEM ISOLATION VALVE LEAKING AT LOWER PORT UNION. REF MM 29-22-05 PG 402 FIG 401. REPLACED DEFORMED O-RING, LEAK CHECKED WITH ALL HYD SYSTEMS RUNNING. NO LEAKS NOTED.
- Difficulty date
- June 19, 2002
- Submitted
- July 16, 2002
- Operation
- Air carrier
- Aircraft
- N664UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29236
- Aircraft time
- 13,014 hours, 4,390 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Isolation Valve
- Part number
- 01215209002
- Condition
- Leaking
- Location
- Hyd System
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.