What was found
DURING CLIMB, THE NR 4 FORWARD AND AFT BOOST PUMPS FAILED. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 FORWARD AND AFT BOOST PUMPS, OPERATIONAL CHECK GOOD.
- Difficulty date
- July 13, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N603US
- Make and model
- Boeing 747151
- Aircraft serial
- 19780
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Boost Pump
- Condition
- Failed
- Location
- Nr 4
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.