SDR 2007FA0000552

Service difficulty report · Hose · Piper PA31T

Difficulty date: June 22, 2007
Submitted: June 22, 2007
Operation: General aviation
Aircraft: N970PS
Make and model: Piper PA31T
Aircraft serial: 31T8020023
Aircraft time: 6,349 hours, 6,349 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Hose
Part number: 177662
Condition: Ruptured
Location: Hyd System
Part time: 6,349 hours, 6,349 cycles
Stage of operation: NR
How discovered: O
Nature of condition: K, J
Precautionary procedure: O

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

What was found

LT MLG IB GEAR DOOR ACTUATOR HYDRAULIC HOSE, HAD A PRESSURE FAILURE, THUS DRAINING HYDRAULIC FLUID IN FLIGHT, RESULTING IN FAILURE OF PROPER GEAR EXTENSION, EMERGENCY GEAR EXTENSION, AND CAUSING AIRCRAFT GEAR UP LANDING. HYDRAULIC HOSE P/N 17766-2 AND PIPER P/N 465-138. HOSE IS ORIGINAL EQUIPMENT INSTALL.

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