Service difficulty report · Pump · Doug DC987

Difficulty date
December 27, 2005
Submitted
December 30, 2005
Operation
Air carrier
Aircraft
N204AM
Make and model
Doug DC987
Aircraft serial
49404
Aircraft time
46,957 hours, 30,343 cycles
Engine
Pwa JT8D219
Part
Pump
Part number
405893
Part serial
MX252733A
Condition
Failed
Location
Aux Hyd Sys
Part time
15,873 hours, 9,900 cycles
Stage of operation
IN
How discovered
9
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

DURING TRANSIT CHECK, THE AUXILIARY HYDRAULIC PUMP DID NOT SHUT OFF. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT CHECK, THE RELAY 22-15 AND THE RT AUXILIARY HYDRAULIC PUMP WERE REPLACED IAW MM 29-21-00 AND MM 29-10-06 RESPECTIVELY, TESTED CORRECT.

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