What was found
HYD SYSTEM 3 FAILURE PRESSURE & QUANTITY ZERO DURING FLAP RETRACTION. HYD SYSTEM PR & QT LIGHTS ON. REMOVED AND REPLACED MODULAR ASSY & LEAK CHECK IAW 29-11-23.
- Difficulty date
- March 29, 2007
- Submitted
- March 30, 2007
- Operation
- Air carrier
- Aircraft
- N683UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20353
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Module
- Condition
- Unknown
- Location
- Nr 3 Hyd System
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.