SDR FDEA200809093782

Service difficulty report · Pump · Doug MD1010F

Difficulty date: September 9, 2008
Submitted: January 29, 2009
Operation: Air carrier
Aircraft: N366FE
Make and model: Doug MD1010F
Aircraft serial: 46602
Aircraft time: 74,564 hours, 30,600 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Part number: 3508806
Part serial: MX635142
Condition: Leaking
Location: Hyd System
Stage of operation: CR
How discovered: O
Nature of condition: K, J
Precautionary procedure: E

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

What was found

35 MINUTES INTO FLT, ENG NR 2 OIL QTY DROPPED TO ZERO, TEMP 7 PRESSURE NORMAL. PRESSURE FLUCTUATED CONSTANTLY DECREASING TO APPROX (15 PSI) FLUCTUATING /- 5 PSI WHEN ENGINE WAS SHUT DOWN IN ACCORDANCE W/QRH. WINDMILLING PRESSURE GREATER THAN 2 PSI. REPLACED NR 2 ENGINE UPPER HYDRAULIC PUMP.

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