Service difficulty report · Tube · Dhav DHC8102

Difficulty date
March 25, 2001
Submitted
May 2, 2001
Operation
Air carrier
Make and model
Dhav DHC8102
Aircraft time
34,834 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Tube
Part number
82920010307
Condition
Leaking
Location
Hyd System
Part time
34,968 hours, 46,657 cycles
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) INVESTIGATON OF SKYDROL LEAKING FROM THE PASSENGER SERVICE UNIT AT SEAT/ROW 5CD REVEALED THAT TUBE ASSEMBLIES 82920010-307 (GEAR DOWN), AND 82920010-263 (GEAR UP), WERE LEAKING FROM PIN HOLES IN FACTORY BENDS. THE LINES WERE REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. DISSECTION OF THE LINES REVEALED SEVERAL SPOTS OF CORROSION ON THE INSIDE OF THE LINES IN THE VICINITY OF THE LEAKS.