Service difficulty report · Switch · Boeing 7474H6

Difficulty date
June 30, 2020
Submitted
July 2, 2020
Operation
Air carrier
Aircraft
N718BA
Make and model
Boeing 7474H6
Aircraft serial
27042
Aircraft time
79,690 hours, 11,160 cycles
Part
Switch
Part number
21EN2666
Condition
Failed
Location
Rt Wlg
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND SWITCH S1340 FUNCTION FAIL AT RT WLG. IAW AMM 32-36-02-004-001 / 32-36-02-A04-005 REV 98 AND WDM 32-35-12 REV 22 REPLACED SWITCH S1240. IAW AMM 32-36-02-705-001 REV 98 PERFORMED TEST OF UPLOCK MECHANISM FOR ALTERNATE EXTENSION OF THE RIGHT WING GEAR, RESULT WAS SATISFACTORY.

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