What was found
ENGINE OIL FILTER SENSOR LT. REPLACED THE MAIN ENG OIL FILTER, NO DEBRIS NOTED. REPLACED THE DIFFERENTIAL PRESSURE SWITCH ASSY. RAN ENG PER JRH OIL PRESSURE READINGS NORMAL.
- Difficulty date
- April 28, 2011
- Submitted
- May 2, 2011
- Operation
- Air carrier
- Aircraft
- N225UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30554
- Aircraft time
- 38,133 hours, 4,653 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 7930 · Engine Oil Indicating System
- Part
- Pressure Switch
- Part number
- 21SN04459
- Part serial
- 187
- Condition
- Faulty
- Location
- Oil Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.