Service difficulty report · Pressure Switch · Boeing 777222
FAA SDR system
- Difficulty date
- September 22, 2009
- Submitted
- September 24, 2009
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 30225
- Aircraft time
- 31,042 hours, 3,848 cycles
- Engine
- Pwa PW40903
- Part
- Pressure Switch
- Condition
- Malfunctioned
- Location
- Boost Pump
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL PUMP R AFT RIGHT AFT FUEL PUMP OUTPUT PRESSURE IS LOW. ADVISORY MSG01- LATCHED ENGINE START MODE DEPENDENT; RELAY (R AFT FUEL BST PUMP CTRL) IN P210 IS NOT IN COMMANDED POSITION. REPLACED RIGHT AFT FUEL BOOST PUMP PRESSURE SWITCH.