SDR FDEA201509102840

Service difficulty report · Pump · Doug MD11F

Difficulty date: September 10, 2015
Submitted: September 28, 2015
Operation: Air carrier
Aircraft: N606FE
Make and model: Doug MD11F
Aircraft serial: 48602
Aircraft time: 723 hours, 16,975 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Part number: 3508806
Part serial: MX263430
Condition: Leaking
Location: Nr 3 Engine
Part time: 21,464 hours, 7,872 cycles
Stage of operation: DE
How discovered: O
Nature of condition: K, J
Precautionary procedure: K

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

What was found

ON DESCENT RECEIVED HYD 3 PRESS HI ALERT, IT WENT BACK TO NORMAL, THEN HYD 3 SYS FAILED. TOTAL LOSS OF SYS 3 QTY. RAN QRH & MANUALLY EXTENDED GEAR. FOUND NR 3 ENG RT PUMP BROKEN. REPLACED NR 3 ENG RT HYD PUMP. OPERATIONS & LEAK CHECK GOOD.

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