Service difficulty report · Pump · Doug MD9030

Difficulty date
April 6, 2002
Submitted
April 23, 2002
Operation
Air carrier
Aircraft
N901DA
Make and model
Doug MD9030
Aircraft serial
53381
Aircraft time
21,218 hours, 12,276 cycles
Engine
Iae V2528D5
Engine time
12,942 hours, 6,855 cycles
Part
Pump
Part number
623337
Part serial
MX395333
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

AT CRUISE EOAP-LT HYD PRESS LO-ILLUMINATED. L/R HTD QTY OK. COULD NOT RESTORE L HYD PRESS PER POM. FOUND METAL CHUNKS IN LT ENG HYD PUMP. REMOVED AND REPLACED LT ENG HYD PUMP PER MM. REPLACED LT EDP CASE DRAIN / PRESS FILTERS. REPLACED L SYS RETURN FILTERS. FLUSHED SYS. RAN LT ENG / EDP. CHECKED EDP CASE DRAIN/ PRESS FILTERS. NO METAL FOUND. REPLACED EDP CASE DRAIN. OK FOR SERVICE.

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