What was found
DURING FLIGHT, THE HYDRAULIC FLUID QUANTITY INDICATED LOW IN THE NBR 3 SYSTEM. AIRCRAAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE HYDRAULIC PRESSURE TRANSMITTER. OPERATIONAL CHECK GOOD.
- Difficulty date
- August 13, 2001
- Submitted
- August 23, 2001
- Operation
- Air carrier
- Aircraft
- N628US
- Make and model
- Boeing 747251B
- Aircraft serial
- 22389
- Aircraft time
- 83,325 hours, 13,820 cycles
- System (JASC)
- 2932 · Hydraulic Pressure Sensor
- Part
- Transmitter
- Part number
- 50234
- Part serial
- 36128
- Condition
- Leaking
- Location
- Nbr 3 Hyd System
- Part time
- 64,090 hours
- Stage of operation
- UK
- Nature of condition
- K
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.