SDR AALA20150530004

Service difficulty report · Pump · Doug DC982

Difficulty date: May 30, 2015
Submitted: June 1, 2015
Operation: Air carrier
Aircraft: N496AA
Make and model: Doug DC982
Aircraft serial: 49734
Aircraft time: 73,812 hours, 38,807 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Part number: 38430110
Condition: Faulty
Location: Hydraulic Sys
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING APPROACH LT HYD LOW PRESS LIGHT ILLUMINATED WITH HYD QTY INDICATION HIGH. FOUND EXCESSIVE AIR IN BOTH HYD SYS, BLEED AIR. R & R NR 1 ENG HYD PUMP IAW AMM 29-10-05. SERVICED HYD SYS. PERFORMED OPERATIONAL & LEAK CHECKS. SYS CHECKED NORMAL.

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