Service difficulty report · Valve · Airbus A300F4605R

Difficulty date
March 24, 2011
Submitted
April 5, 2011
Operation
Air carrier
Aircraft
N670FE
Make and model
Airbus A300F4605R
Aircraft serial
777
Aircraft time
20,853 hours, 11,213 cycles
Part
Valve
Condition
Malfunctioned
Location
Mlg
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER TAKEOFF GEAR HANDLE MOVED UP NORAMLLY GO TO THE FOLLOWING INDICATIONS ON LT MLG RED UNLOCKED LIGHT, LT MLG DOOR OPEN LIGHT ECAM MASSAGE LT MLG UNLOCKED, CYCLED MLG DOWN ALL DOWN INDICATIONS NORMAL. ATTEMPED RETRACTION SECOND TIME WITHN THE SAME INDICATIONS ALSO GOT GREEN HYDRAULIC AIR PRESSURE ECAM MASSAGE AND AMBER LIGHT ON OVERHEAD PANEL LANDING WT 307000LBS. OPS CHECKED RESERVIOR AIR LIGHT PER AMM 29-14-00-05. PERFORMED A DETAILED VISUAL INSPECTION ON BOTH MLG FOUND NO LEAKS OR OBVIOUS DEFECTS. REMOVED AND REPLACED LT MLG SEQUENCE VALVE IN REF TO MM 32-31-37-04. OPS CHECKED GOOD. LEAK CHECKED GOOD. R & R LMG RETRACT ACT & VARIABLE RESTRICTOR VALVE. BLED GREEN HYD SYS. USING HYD MULE SWUNG GEAR 10 TIMES IN A ROW. RETRACT-12.5 SEC/EXTEND-15.5 SEC. ALL 10 CYCLES RET/EXT TIME WITHIN .5 SECOND OF ABOVE LISTED TIMES. OPS & LEAK CHECKED OK. REF MM 32-31-46-04 & 32-31-00-05.

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