Service difficulty report · Hydraulic Line · Swrngn SA227AC

Difficulty date
April 18, 2016
Submitted
April 21, 2016
Operation
Air carrier
Aircraft
N476AF
Make and model
Swrngn SA227AC
Aircraft serial
AC476
Aircraft time
31,404 hours, 12,575 cycles
Part
Hydraulic Line
Part number
171M0054CR0110
Condition
Leaking
Location
Rt Wing
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

ON DEPARTURE, DURING CLIMB OUT, THE FLAPS WERE RETRACTED TO THE UP POSITION. BOTH THE LT & RT HYD FAIL ANNUNCIATOR LIGHTS ILLUMINATED SIMULTANEOUSLY & THE HYD PRESS DROPPED TO ZERO PSI. THE PILOT RETURNED, MANUALLY EXTENDED THE LG FOLLOWING THE EMER PROCEDURES & LANDED WITHOUT INCIDENT. FOUND THE RT FLAP UP HYD HOSE WAS LEAKING. THE HOSE, PN 171M005-4CR0110, TIME IN SERVICE UNKNOWN, WAS REPLACED WITH NEW. OPERATIONAL & LEAK CHECK OF THE FLAP SYS WAS SATISFACTORY.