Service difficulty report · Reducer · Bombdr BD1001A10

Difficulty date
December 31, 2018
Submitted
January 7, 2019
Operation
Air carrier
Aircraft
N550XJ
Make and model
Bombdr BD1001A10
Aircraft serial
20323
Aircraft time
8,815 hours, 3,968 cycles
Part
Reducer
Part number
MS21916J86
Condition
Leaking
Location
Hydraulic Sys
Part time
8,815 hours
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

WHILE CLIMBING THROUGH 5000 FEET, THE FLIGHT CREW RECEIVED A FLAPS RATE LOW CAS MESSAGE. VERY SHORTLY AFTER, A R HYD LOW MESSAGE WAS ALSO RECEIVED. THE FLIGHT CREW ELECTED TO DECLARE AN EMERGENCY AND RETURN TO THE DEPARTURE FIELD. THE AIRCRAFT LANDED UNEVENTFULLY. TECHNICIANS INSPECTED THE AIRPLANE AND FOUND THE OUTBOARD BRAKE ACCUMULATOR HYDRAULIC LINE REDUCER AND O-RING PACKING LEAKING. THE REDUCER AND PACKING WAS REPLACED AND LEAK CHECKS COMPLETED. NO FAULTS WERE NOTED AND THE AIRCRAFT RETURNED TO SERVICE WITH NO FURTHER ISSUES.