Service difficulty report · Line · Fokker F28MK4000

Difficulty date
December 15, 2002
Submitted
December 18, 2002
Operation
Air carrier
Aircraft
N492US
Make and model
Fokker F28MK4000
Aircraft serial
11159
Aircraft time
36,480 hours, 47,564 cycles
Part
Line
Part number
A71911437
Condition
Failed
Location
Zone 600
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

SEA ON FLIGHT 2409- UTILITY SYSTEM HYDRAULIC QUANTITY DROPPED BELOW YELLOW ARC IN FLIGHT. COMPLETED APPLICABLE CHECKLIST. UPON GEAR EXTENSION, GEAR DOOR DID NOT RETRACT AND UTILITY SYSTEM PRESSURE DROPPED TO 200 PSI AFTER GEAR AND FLAPS WERE SELECTED. AIRCRAFT LANDED WITHOUT INCIDENT. FOUND HYDRAULIC LINE IN NO.2 STUB WING LEAKING. REMOVED AND REPLACED HYDRAULIC LINE. OPERATIOANL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

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