Service difficulty report · Slide · Boeing 747400

Difficulty date
April 30, 2003
Submitted
May 28, 2003
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 747400
Aircraft serial
29254
Engine
Ge CF680
Part
Slide
Part number
7A14124
Condition
Inoperative
Location
Upper Deck Door
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

INFLATABLE EVACUATION SYSTEM OF THE RIGHT UPPER DECK DOOR DOES NOT INFLATE PROPERLY. THE SLIDE WAS LIFTED AND HAS BEEN FALLEN OUT OF THE DOOR FRAME. SUDDENLY THE SLIDE STOPPED ROTATING AND STUCK. AFTER WAITING SEVERAL SECONDS THE MECHANIC OPENED THE VELCRO TAPES, WHICH CONNECT THE ASPIRATORS WITH THE GIRT. AFTER THIS, THE SLIDE TURNED TO THE END POSITION AND INFLATED PROPERLY. INVESTIGATION OV THE VIDEO RECORD HAS SHOW THT THE FORWARD RELEASE CABLE WAS TIGHT WHEN THE SLIDE STUCK. THE LAST RELEASE PIN WAS LAYING BENEATH THE GIRT. OPENING OF THE VELCRO TAPES INCREASED THE FORCE AND THE RELEASE CABLE GOT FREE. AFTER THIS MANUAL RELEASE, THE SLIDE INFLATED PROPERLY.

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