What was found
AFTER TAKEOFF, HYDR QTY AND PRESSURE WENT TO ZERO ON SYS 4 FLAPS ASYMETRIC AND WOULD NOT RETRACT. FUEL JETTISONED AND RETURNED TO DEPARTURE. REPAIRED IAW AMM 12-00-00.
- Difficulty date
- August 27, 2013
- Submitted
- August 28, 2013
- Operation
- Air carrier
- Aircraft
- N263SG
- Make and model
- Boeing 747481
- Aircraft serial
- 29263
- Aircraft time
- 42,664 hours, 5,552 cycles
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Line
- Part number
- 1010559N0230
- Condition
- Leaking
- Location
- Hyd System
- Part time
- 42,664 hours, 5,552 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- J, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.