What was found
NR 1 ENGINE HIGH OIL CONSUMPTION EXCEEDS LIMIT. REPLACED FUEL OIL HEAT EXCHANGER PER MM AND FUEL OIL HEAT EXCHANGER BYPASS VALVE PER MM. ACCMP'D TEST 3 PER AMM NO LEAKS NOTED AND NO FAULTS AFTER LEFT ENG IDLE RUN.
- Difficulty date
- April 14, 2012
- Submitted
- May 14, 2012
- Operation
- Air carrier
- Aircraft
- N517UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24861
- Aircraft time
- 74,340 hours, 23,019 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 7921 · Engine Oil Cooler
- Part
- Bypass Valve
- Condition
- Leaking
- Location
- Heat Exchanger
- 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.