Service difficulty report · Line · Boeing 747132

Difficulty date
January 26, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N857FT
Make and model
Boeing 747132
Aircraft serial
20246
Part
Line
Part number
65B9017057
Condition
Cracked
Location
Nr 4 Pylon
Stage of operation
CR
Nature of condition
K
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 4 HYDRAULIC SYSTEM FLUID LOSS TO 1.6 GALLONS. FOUND CRACKED PRESSURE LINE IN NR 4 PYLON. REPLACED LINE, ENGINE DRIVEN PUMP CASE DRAIN AND PRESSURE FILTERS PER BOEING MAINTENANCE MANUAL 29-11-23, 29-11-05, AND 29-11-18.