What was found
ON GEAR EXTENSION AND FLAP EXTENSION LOST ALL HYDRAULIC SYSTEM 1 PRESSURE. FOUND AIR DRIVEN HYDRAULIC PUMP PRESSURE FLEX LINE BROKEN. REPLACED LINE PER BOEING M/M 29-11-17.
- Difficulty date
- November 11, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N859FT
- Make and model
- Boeing 747123
- Aircraft serial
- 20326
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Line
- Part number
- 60B0025435
- Condition
- Broken
- Location
- Nr 1 Pylon
- Stage of operation
- AP
- Nature of condition
- K, J
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.