What was found
HYDRAULIC SYS NR 4 ADP CONT CIRCUIT BREAKER OPENS WHEN CONTINUOUS SELECTED. RUN LT ILLUMINATES MOMENTARILY. WIRING CHECKED IAW 29-34-12 FOUND WIRES SHORTED TO GROUND. WIRING REPAIRED IAW SWPM 20-10-13.
- Difficulty date
- February 13, 2011
- Submitted
- February 16, 2011
- Operation
- Air carrier
- Aircraft
- N517MC
- Make and model
- Boeing 747243B
- Aircraft serial
- 23300
- Aircraft time
- 90,839 hours, 15,513 cycles
- System (JASC)
- 2997 · Hydraulic Power System Wiring
- Part
- Wire
- Condition
- Shorted
- Location
- Hyd System
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.