SDR 97ZZZX3782

Service difficulty report · Pump · Rkwell NA26540

Difficulty date: July 17, 1997
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N316NT
Make and model: Rkwell NA26540
Aircraft serial: 282060
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Condition: Seal Damaged
Location: Shaft
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

HYDRAULIC PUMP WAS REMOVED AFTER 7.9 HOURS TIME IN SERVICE DUE TO SHAFT SEAL FAILURE AND EXCESSIVE FLUID LEAKAGE. PUMP, SN MX193803A, REJECTED FOR INSTALLATION DUE TO SHAFT SEAL WAS DAMAGED AND STICKING OUT AROUND THE PUMP DRIVE SHAFT. BOTH PUMPS WERE OVERHAULED BY REPAIR STATION. PUMP, SN MX193803A, TSO: 0.0. PUMP, SN MXW243463A, TSO: 7.9 HOURS.