SDR USAAD97092

Service difficulty report · Alt Pump · Doug DC931

Difficulty date: May 28, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N983VJ
Make and model: Doug DC931
Aircraft serial: 48159
System (JASC): 2923 · Hydraulic Pump, Auxiliary
Part: Alt Pump
Part number: 405016
Condition: Failed
Location: Hyd System
Stage of operation: CL
Nature of condition: J, K, M
Precautionary procedure: A

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

What was found

FLT 1573 - LGA-CMH - AFTER DEPARTING LGA, RIGHT SYSTEM HYDRAULIC PERSSURE DROPPED TO 1000 PSI. DURING CLIMB, PRESSURE LOW LIGHT ILLUMINATED, FOLLOWED BY HYDRAULIC TEMP HI-LIGHT. DIVERTED TO PH. DURING APPROACH TO PHL, RIGHT QTY AND PRESSURE WENT TO ZERO. REPLACED ALTERNATE PUMP. (M)

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