Service difficulty report · Jackscrew · Airbus A310324

Difficulty date
February 18, 2011
Submitted
April 1, 2011
Operation
General aviation
Aircraft
N807FD
Make and model
Airbus A310324
Aircraft serial
492
Engine
Pwa PW4152
Part
Jackscrew
Part number
FE140
Part serial
125
Condition
Out Of Position
Location
Stabilizer
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

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

What was found

DURING O/H, MX PERFORMED ON THE SCREW JACK ASSY, FE140 SN 125, IDENTIFICATION OF THE WRONG POSITIONING OF THE RATCHET WHEEL (ITEM 3-620 OF CMM 27-44-13), ASSEMBLED ON THE OPPOSITE POSITION COMPARED TO THE SPEC MENTIONED ON THE CMM 27-44-13. LETTER LT-S9-11-106 + TECH REPORT (RF-DSC-438/11 V00) THIS MISASSEMBLY LEADS TO AN INOPERATIVE NO-BACK OF THE SCREW JACK ASSY ON COMPRESSIVE LOAD DIRECTION ONLY. THE PROBABLE CAUSE COULD BE A MISASSEMBLY OF THE RATCHET WHEEL DURING THE LAST REPAIR OF THE SCREW JACK ASSY IN A REPAIR STATION THAT REMAINS UNDETERMINED. OPEN

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