What was found
NR 4 MAIN AFT BOOST PUMP FAILED. ITEM DEFERRED PER MEL 28-01-C. CHANGED NR 4 FUEL AFT BOOST PUMP PRESSURE SWITCH IAW MM 28-42-01. TEST OK.
- Difficulty date
- January 29, 2006
- Submitted
- February 7, 2006
- Operation
- Air carrier
- Aircraft
- N509MC
- Make and model
- Boeing 747230B
- Aircraft serial
- 21221
- Aircraft time
- 115,341 hours, 21,960 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Pressure Switch
- Condition
- Failed
- Location
- Boost Pump
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.