What was found
OIL LEAKAGE FROM LT ENG OIL COOLER BYPASS VALVE. FOUND LEAK FOUND COMING FROM AIR-OIL HEAT EXCHANGER VALVE. REPLACED NR 1 ENG AIR OIL HEAT EXCHANGER. NO LEAKS ON GROUND TEST.
- Difficulty date
- August 21, 2008
- Submitted
- August 26, 2008
- Operation
- Air carrier
- Aircraft
- N664UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29236
- Aircraft time
- 35,343 hours, 10,010 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7921 · Engine Oil Cooler
- Part
- Bypass Valve
- Part number
- 2810193111
- Condition
- Leaking
- Location
- Eng Oil Cooler
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.